diff --git a/pjnath/src/pjnath/ice_session.c b/pjnath/src/pjnath/ice_session.c
index d6fae82..c77f792 100644
--- a/pjnath/src/pjnath/ice_session.c
+++ b/pjnath/src/pjnath/ice_session.c
@@ -1748,6 +1748,7 @@
     LOG5((ice->obj_name, 
 	 "Sending connectivity check for check %s", 
 	 dump_check(ice->tmp.txt, sizeof(ice->tmp.txt), clist, check)));
+    pj_log_push_indent();
 
     /* Create request */
     status = pj_stun_session_create_req(comp->stun_sess, 
@@ -1755,6 +1756,7 @@
 					NULL, &check->tdata);
     if (status != PJ_SUCCESS) {
 	pjnath_perror(ice->obj_name, "Error creating STUN request", status);
+	pj_log_pop_indent();
 	return status;
     }
 
@@ -1811,11 +1813,13 @@
     if (status != PJ_SUCCESS) {
 	check->tdata = NULL;
 	pjnath_perror(ice->obj_name, "Error sending STUN request", status);
+	pj_log_pop_indent();
 	return status;
     }
 
     check_set_state(ice, check, PJ_ICE_SESS_CHECK_STATE_IN_PROGRESS, 
 	            PJ_SUCCESS);
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 }
 
@@ -1845,6 +1849,7 @@
     clist_set_state(ice, clist, PJ_ICE_SESS_CHECKLIST_ST_RUNNING);
 
     LOG5((ice->obj_name, "Starting checklist periodic check"));
+    pj_log_push_indent();
 
     /* Send STUN Binding request for check with highest priority on
      * Waiting state.
@@ -1856,6 +1861,7 @@
 	    status = perform_check(ice, clist, i, ice->is_nominating);
 	    if (status != PJ_SUCCESS) {
 		pj_mutex_unlock(ice->mutex);
+		pj_log_pop_indent();
 		return status;
 	    }
 
@@ -1875,6 +1881,7 @@
 		status = perform_check(ice, clist, i, ice->is_nominating);
 		if (status != PJ_SUCCESS) {
 		    pj_mutex_unlock(ice->mutex);
+		    pj_log_pop_indent();
 		    return status;
 		}
 
@@ -1896,6 +1903,7 @@
     }
 
     pj_mutex_unlock(ice->mutex);
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 }
 
@@ -1908,6 +1916,7 @@
     pj_status_t status;
 
     LOG4((ice->obj_name, "Starting nominated check.."));
+    pj_log_push_indent();
 
     pj_assert(ice->is_nominating == PJ_FALSE);
 
@@ -1958,6 +1967,7 @@
     }
 
     ice->is_nominating = PJ_TRUE;
+    pj_log_pop_indent();
 }
 
 /* Timer callback to perform periodic check */
@@ -2005,6 +2015,7 @@
     pj_mutex_lock(ice->mutex);
 
     LOG4((ice->obj_name, "Starting ICE check.."));
+    pj_log_push_indent();
 
     /* If we are using aggressive nomination, set the is_nominating state */
     if (ice->opt.aggressive)
@@ -2032,6 +2043,7 @@
     if (i == clist->count) {
 	pj_assert(!"Unable to find checklist for component 1");
 	pj_mutex_unlock(ice->mutex);
+	pj_log_pop_indent();
 	return PJNATH_EICEINCOMPID;
     }
 
@@ -2072,8 +2084,10 @@
 	LOG4((ice->obj_name, 
 	      "Performing delayed triggerred check for component %d",
 	      rcheck->comp_id));
+	pj_log_push_indent();
 	handle_incoming_check(ice, rcheck);
 	rcheck = rcheck->next;
+	pj_log_pop_indent();
     }
     pj_list_init(&ice->early_check);
 
@@ -2091,6 +2105,7 @@
     }
 
     pj_mutex_unlock(ice->mutex);
+    pj_log_pop_indent();
     return status;
 }
 
@@ -2193,9 +2208,11 @@
 
 	    /* Resend request */
 	    LOG4((ice->obj_name, "Resending check because of role conflict"));
+	    pj_log_push_indent();
 	    check_set_state(ice, check, PJ_ICE_SESS_CHECK_STATE_WAITING, 0);
 	    perform_check(ice, clist, msg_data->data.req.ckid, 
 			  check->nominated || ice->is_nominating);
+	    pj_log_pop_indent();
 	    pj_mutex_unlock(ice->mutex);
 	    return;
 	}
@@ -2207,9 +2224,10 @@
 			&ice->clist, check),
 	     (check->nominated ? " (nominated)" : " (not nominated)"),
 	     errmsg));
-
+	pj_log_push_indent();
 	check_set_state(ice, check, PJ_ICE_SESS_CHECK_STATE_FAILED, status);
 	on_check_complete(ice, check);
+	pj_log_pop_indent();
 	pj_mutex_unlock(ice->mutex);
 	return;
     }
@@ -2230,8 +2248,10 @@
 	     dump_check(ice->tmp.txt, sizeof(ice->tmp.txt), 
 			&ice->clist, check),
 	     (check->nominated ? " (nominated)" : " (not nominated)")));
+	pj_log_push_indent();
 	check_set_state(ice, check, PJ_ICE_SESS_CHECK_STATE_FAILED, status);
 	on_check_complete(ice, check);
+	pj_log_pop_indent();
 	pj_mutex_unlock(ice->mutex);
 	return;
     }
@@ -2702,14 +2722,18 @@
 	    pj_bool_t nominate = (c->nominated || ice->is_nominating);
 
 	    LOG5((ice->obj_name, "Performing triggered check for check %d",i));
+	    pj_log_push_indent();
 	    perform_check(ice, &ice->clist, i, nominate);
+	    pj_log_pop_indent();
 
 	} else if (c->state == PJ_ICE_SESS_CHECK_STATE_IN_PROGRESS) {
 	    /* Should retransmit immediately
 	     */
 	    LOG5((ice->obj_name, "Triggered check for check %d not performed "
 		  "because it's in progress. Retransmitting", i));
+	    pj_log_push_indent();
 	    pj_stun_session_retransmit_req(comp->stun_sess, c->tdata);
+	    pj_log_pop_indent();
 
 	} else if (c->state == PJ_ICE_SESS_CHECK_STATE_SUCCEEDED) {
 	    /* Check complete for this component.
@@ -2743,8 +2767,9 @@
 
 	    LOG5((ice->obj_name, "Triggered check for check %d not performed "
 				"because it's completed", i));
-
+	    pj_log_push_indent();
 	    complete = on_check_complete(ice, c);
+	    pj_log_pop_indent();
 	    if (complete) {
 		return;
 	    }
@@ -2773,7 +2798,9 @@
 
 	LOG4((ice->obj_name, "New triggered check added: %d", 
 	     ice->clist.count));
+	pj_log_push_indent();
 	perform_check(ice, &ice->clist, ice->clist.count++, nominate);
+	pj_log_pop_indent();
 
     } else {
 	LOG4((ice->obj_name, "Error: unable to perform triggered check: "
@@ -2802,6 +2829,8 @@
 
     sd = (struct stun_data*) pj_stun_session_get_user_data(sess);
 
+    pj_log_push_indent();
+
     if (msg->hdr.type == PJ_STUN_BINDING_INDICATION) {
 	LOG5((sd->ice->obj_name, "Received Binding Indication keep-alive "
 	      "for component %d", sd->comp_id));
@@ -2811,6 +2840,8 @@
 	      sd->comp_id));
     }
 
+    pj_log_pop_indent();
+
     return PJ_SUCCESS;
 }
 
diff --git a/pjnath/src/pjnath/ice_strans.c b/pjnath/src/pjnath/ice_strans.c
index eb3d00b..906f268 100644
--- a/pjnath/src/pjnath/ice_strans.c
+++ b/pjnath/src/pjnath/ice_strans.c
@@ -405,6 +405,8 @@
 		      "Comp %d: srflx candidate starts Binding discovery",
 		      comp_id));
 
+	    pj_log_push_indent();
+
 	    /* Start Binding resolution */
 	    status = pj_stun_sock_start(comp->stun_sock, 
 					&ice_st->cfg.stun.server,
@@ -412,6 +414,7 @@
 					ice_st->cfg.resolver);
 	    if (status != PJ_SUCCESS) {
 		///sess_dec_ref(ice_st);
+		pj_log_pop_indent();
 		return status;
 	    }
 
@@ -419,6 +422,7 @@
 	    status = pj_stun_sock_get_info(comp->stun_sock, &stun_sock_info);
 	    if (status != PJ_SUCCESS) {
 		///sess_dec_ref(ice_st);
+		pj_log_pop_indent();
 		return status;
 	    }
 
@@ -437,6 +441,7 @@
 	    /* Set default candidate to srflx */
 	    comp->default_cand = cand - comp->cand_list;
 
+	    pj_log_pop_indent();
 	}
 
 	/* Add local addresses to host candidates, unless max_host_cands
@@ -536,6 +541,7 @@
     PJ_LOG(4,(ice_st->obj_name, 
 	      "Creating ICE stream transport with %d component(s)",
 	      comp_cnt));
+    pj_log_push_indent();
 
     pj_ice_strans_cfg_copy(pool, &ice_st->cfg, cfg);
     pj_memcpy(&ice_st->cb, cb, sizeof(*cb));
@@ -550,6 +556,7 @@
 					    &ice_st->init_lock);
     if (status != PJ_SUCCESS) {
 	destroy_ice_st(ice_st);
+	pj_log_pop_indent();
 	return status;
     }
 
@@ -570,6 +577,7 @@
 	if (status != PJ_SUCCESS) {
 	    pj_lock_release(ice_st->init_lock);
 	    destroy_ice_st(ice_st);
+	    pj_log_pop_indent();
 	    return status;
 	}
     }
@@ -583,6 +591,8 @@
     PJ_LOG(4,(ice_st->obj_name, "ICE stream transport created"));
 
     *p_ice_st = ice_st;
+    pj_log_pop_indent();
+
     return PJ_SUCCESS;
 }
 
@@ -591,6 +601,9 @@
 {
     unsigned i;
 
+    PJ_LOG(5,(ice_st->obj_name, "ICE stream transport destroying.."));
+    pj_log_push_indent();
+
     /* Destroy ICE if we have ICE */
     if (ice_st->ice) {
 	pj_ice_sess_destroy(ice_st->ice);
@@ -629,8 +642,11 @@
 	ice_st->busy_cnt = NULL;
     }
 
+    PJ_LOG(4,(ice_st->obj_name, "ICE stream transport destroyed"));
+
     /* Done */
     pj_pool_release(ice_st->pool);
+    pj_log_pop_indent();
 }
 
 /* Get ICE session state. */
@@ -664,14 +680,19 @@
 
     pj_strerror(status, errmsg, sizeof(errmsg));
     PJ_LOG(4,(ice_st->obj_name, "%s: %s", title, errmsg));
+    pj_log_push_indent();
 
-    if (op==PJ_ICE_STRANS_OP_INIT && ice_st->cb_called)
+    if (op==PJ_ICE_STRANS_OP_INIT && ice_st->cb_called) {
+	pj_log_pop_indent();
 	return;
+    }
 
     ice_st->cb_called = PJ_TRUE;
 
     if (ice_st->cb.on_ice_complete)
 	(*ice_st->cb.on_ice_complete)(ice_st, op, status);
+
+    pj_log_pop_indent();
 }
 
 /* Update initialization status */
@@ -709,8 +730,6 @@
  */
 PJ_DEF(pj_status_t) pj_ice_strans_destroy(pj_ice_strans *ice_st)
 {
-    char obj_name[PJ_MAX_OBJ_NAME];
-
     PJ_ASSERT_RETURN(ice_st, PJ_EINVAL);
 
     ice_st->destroy_req = PJ_TRUE;
@@ -720,10 +739,7 @@
 	return PJ_EPENDING;
     }
     
-    pj_memcpy(obj_name, ice_st->obj_name, PJ_MAX_OBJ_NAME);
     destroy_ice_st(ice_st);
-
-    PJ_LOG(4,(obj_name, "ICE stream transport destroyed"));
     return PJ_SUCCESS;
 }
 
@@ -1294,9 +1310,10 @@
 	ice_st->state = (status==PJ_SUCCESS) ? PJ_ICE_STRANS_STATE_RUNNING :
 					       PJ_ICE_STRANS_STATE_FAILED;
 
+	pj_log_push_indent();
 	(*ice_st->cb.on_ice_complete)(ice_st, PJ_ICE_STRANS_OP_NEGOTIATION, 
 				      status);
-
+	pj_log_pop_indent();
 	
     }
 
@@ -1615,6 +1632,7 @@
 
     PJ_LOG(5,(comp->ice_st->obj_name, "TURN client state changed %s --> %s",
 	      pj_turn_state_name(old_state), pj_turn_state_name(new_state)));
+    pj_log_push_indent();
 
     sess_add_ref(comp->ice_st);
 
@@ -1690,5 +1708,7 @@
     }
 
     sess_dec_ref(comp->ice_st);
+
+    pj_log_pop_indent();
 }
 
diff --git a/pjnath/src/pjnath/stun_session.c b/pjnath/src/pjnath/stun_session.c
index 0613bd2..7d85846 100644
--- a/pjnath/src/pjnath/stun_session.c
+++ b/pjnath/src/pjnath/stun_session.c
@@ -864,6 +864,8 @@
 
     PJ_ASSERT_RETURN(sess && addr_len && server && tdata, PJ_EINVAL);
 
+    pj_log_push_indent();
+
     /* Allocate packet */
     tdata->max_len = PJ_STUN_MAX_PKT_LEN;
     tdata->pkt = pj_pool_alloc(tdata->pool, tdata->max_len);
@@ -972,6 +974,8 @@
 on_return:
     pj_lock_release(sess->lock);
 
+    pj_log_pop_indent();
+
     /* Check if application has called destroy() in the callback */
     if (pj_atomic_dec_and_get(sess->busy)==0 && sess->destroy_request) {
 	pj_stun_session_destroy(sess);
@@ -1353,6 +1357,8 @@
 
     PJ_ASSERT_RETURN(sess && packet && pkt_size, PJ_EINVAL);
 
+    pj_log_push_indent();
+
     /* Lock the session and prevent user from destroying us in the callback */
     pj_atomic_inc(sess->busy);
     pj_lock_acquire(sess->lock);
@@ -1410,6 +1416,8 @@
 on_return:
     pj_lock_release(sess->lock);
 
+    pj_log_pop_indent();
+
     /* If we've received destroy request while we're on the callback,
      * destroy the session now.
      */
diff --git a/pjnath/src/pjnath/stun_transaction.c b/pjnath/src/pjnath/stun_transaction.c
index 991f848..ab16b32 100644
--- a/pjnath/src/pjnath/stun_transaction.c
+++ b/pjnath/src/pjnath/stun_transaction.c
@@ -225,6 +225,7 @@
 
     PJ_LOG(5,(tsx->obj_name, "STUN sending message (transmit count=%d)",
 	      tsx->transmit_count));
+    pj_log_push_indent();
 
     /* Send message */
     status = tsx->cb.on_send_msg(tsx, tsx->last_pkt, tsx->last_pkt_size);
@@ -238,9 +239,9 @@
 	    tsx->retransmit_timer.id = 0;
 	}
 	stun_perror(tsx, "STUN error sending message", status);
-	return status;
     }
 
+    pj_log_pop_indent();
     return status;
 }
 
@@ -321,6 +322,7 @@
 	/* Retransmission count exceeded. Transaction has failed */
 	tsx->retransmit_timer.id = 0;
 	PJ_LOG(4,(tsx->obj_name, "STUN timeout waiting for response"));
+	pj_log_push_indent();
 	if (!tsx->complete) {
 	    tsx->complete = PJ_TRUE;
 	    if (tsx->cb.on_complete) {
@@ -328,6 +330,7 @@
 	    }
 	}
 	/* We might have been destroyed, don't try to access the object */
+	pj_log_pop_indent();
 	return;
     }
 
diff --git a/pjsip/src/pjsip-simple/evsub.c b/pjsip/src/pjsip-simple/evsub.c
index 6abc00d..d61fe71 100644
--- a/pjsip/src/pjsip-simple/evsub.c
+++ b/pjsip/src/pjsip-simple/evsub.c
@@ -578,6 +578,7 @@
 	      old_state_str.ptr,
 	      (int)sub->state_str.slen,
 	      sub->state_str.ptr));
+    pj_log_push_indent();
 
     /* don't call the callback with NULL event, it may crash the app! */
     if (!event) {
@@ -595,6 +596,8 @@
 	    evsub_destroy(sub);
 	}
     }
+
+    pj_log_pop_indent();
 }
 
 
@@ -627,11 +630,14 @@
 	    pj_status_t status;
 
 	    PJ_LOG(5,(sub->obj_name, "Refreshing subscription."));
+	    pj_log_push_indent();
 	    status = pjsip_evsub_initiate(sub, NULL, 
 					  sub->expires->ivalue,
 					  &tdata);
 	    if (status == PJ_SUCCESS)
 		pjsip_evsub_send_request(sub, tdata);
+
+	    pj_log_pop_indent();
 	}
 	break;
 
@@ -645,10 +651,13 @@
 
 	    PJ_LOG(5,(sub->obj_name, "Timeout waiting for refresh. "
 				     "Sending NOTIFY to terminate."));
+	    pj_log_push_indent();
 	    status = pjsip_evsub_notify( sub, PJSIP_EVSUB_STATE_TERMINATED, 
 					 NULL, &STR_TIMEOUT, &tdata);
 	    if (status == PJ_SUCCESS)
 		pjsip_evsub_send_request(sub, tdata);
+
+	    pj_log_pop_indent();
 	}
 	break;
 
@@ -658,8 +667,10 @@
 
 	    PJ_LOG(5,(sub->obj_name, "Timeout waiting for final NOTIFY. "
 				     "Terminating.."));
+	    pj_log_push_indent();
 	    set_state(sub, PJSIP_EVSUB_STATE_TERMINATED, NULL, NULL, 
 		      &timeout);
+	    pj_log_pop_indent();
 	}
 	break;
 
@@ -672,9 +683,12 @@
 		     "Timeout waiting for subsequent NOTIFY (we did "
 		     "send non-2xx response for previous NOTIFY). "
 		     "Unsubscribing.."));
+	    pj_log_push_indent();
 	    status = pjsip_evsub_initiate( sub, NULL, 0, &tdata);
 	    if (status == PJ_SUCCESS)
 		pjsip_evsub_send_request(sub, tdata);
+
+	    pj_log_pop_indent();
 	}
 	break;
 
diff --git a/pjsip/src/pjsip-ua/sip_inv.c b/pjsip/src/pjsip-ua/sip_inv.c
index 4d1723c..5444b1a 100644
--- a/pjsip/src/pjsip-ua/sip_inv.c
+++ b/pjsip/src/pjsip-ua/sip_inv.c
@@ -1916,6 +1916,8 @@
     /* Must have INVITE transaction. */
     PJ_ASSERT_RETURN(inv->invite_tsx, PJ_EBUG);
 
+    pj_log_push_indent();
+
     pjsip_dlg_inc_lock(inv->dlg);
 
     /* Create response */
@@ -1963,6 +1965,7 @@
 
 on_return:
     pjsip_dlg_dec_lock(inv->dlg);
+    pj_log_pop_indent();
     return status;
 }
 
@@ -1989,6 +1992,8 @@
     /* Must have created an answer before */
     PJ_ASSERT_RETURN(inv->last_answer, PJ_EINVALIDOP);
 
+    pj_log_push_indent();
+
     pjsip_dlg_inc_lock(inv->dlg);
 
     /* Modify last response. */
@@ -2016,6 +2021,7 @@
 
 on_return:
     pjsip_dlg_dec_lock(inv->dlg);
+    pj_log_pop_indent();
     return status;
 }
 
@@ -2052,6 +2058,8 @@
     /* Verify arguments. */
     PJ_ASSERT_RETURN(inv && p_tdata, PJ_EINVAL);
 
+    pj_log_push_indent();
+
     /* Set cause code. */
     inv_set_cause(inv, st_code, st_text);
 
@@ -2081,6 +2089,7 @@
 		*p_tdata = NULL;
 		PJ_LOG(4, (inv->obj_name, "Delaying CANCEL since no "
 			   "provisional response is received yet"));
+		pj_log_pop_indent();
 		return PJ_SUCCESS;
 	    }
 
@@ -2092,8 +2101,10 @@
 	    status = pjsip_endpt_create_cancel(inv->dlg->endpt, 
 					       inv->invite_tsx->last_tx,
 					       &tdata);
-	    if (status != PJ_SUCCESS)
+	    if (status != PJ_SUCCESS) {
+		pj_log_pop_indent();
 		return status;
+	    }
 
 	    /* Set timeout for the INVITE transaction, in case UAS is not
 	     * able to respond the INVITE with 487 final response. The 
@@ -2125,15 +2136,19 @@
 
     case PJSIP_INV_STATE_DISCONNECTED:
 	/* No need to do anything. */
+	pj_log_pop_indent();
 	return PJSIP_ESESSIONTERMINATED;
 
     default:
 	pj_assert("!Invalid operation!");
+	pj_log_pop_indent();
 	return PJ_EINVALIDOP;
     }
 
-    if (status != PJ_SUCCESS)
+    if (status != PJ_SUCCESS) {
+	pj_log_pop_indent();
 	return status;
+    }
 
 
     /* Done */
@@ -2141,6 +2156,7 @@
     inv->cancelling = PJ_TRUE;
     *p_tdata = tdata;
 
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 }
 
@@ -2363,6 +2379,7 @@
     if (inv->invite_tsx!=NULL)
 	return PJ_EINVALIDOP;
 
+    pj_log_push_indent();
 
     pjsip_dlg_inc_lock(inv->dlg);
 
@@ -2433,6 +2450,7 @@
 
 on_return:
     pjsip_dlg_dec_lock(inv->dlg);
+    pj_log_pop_indent();
     return status;
 }
 
@@ -2460,6 +2478,8 @@
     PJ_ASSERT_RETURN(inv->state < PJSIP_INV_STATE_DISCONNECTED,
 		     PJ_EINVALIDOP);
 
+    pj_log_push_indent();
+
     /* Lock dialog. */
     pjsip_dlg_inc_lock(inv->dlg);
 
@@ -2522,6 +2542,7 @@
 
     *p_tdata = tdata;
 
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 
 on_error:
@@ -2531,6 +2552,7 @@
     /* Unlock dialog. */
     pjsip_dlg_dec_lock(inv->dlg);
 
+    pj_log_pop_indent();
     return status;
 }
 
@@ -2593,6 +2615,8 @@
     /* Verify arguments. */
     PJ_ASSERT_RETURN(inv && tdata, PJ_EINVAL);
 
+    pj_log_push_indent();
+
     PJ_LOG(5,(inv->obj_name, "Sending %s", 
 	      pjsip_tx_data_get_info(tdata)));
 
@@ -2607,7 +2631,8 @@
 	{
 	    pjsip_tx_data_dec_ref(tdata);
 	    pjsip_dlg_dec_lock(inv->dlg);
-	    return PJ_EINVALIDOP;
+	    status = PJ_EINVALIDOP;
+	    goto on_error;
 	}
 
 	/* Associate our data in outgoing invite transaction */
@@ -2618,8 +2643,9 @@
 
 	status = pjsip_dlg_send_request(inv->dlg, tdata, mod_inv.mod.id, 
 					tsx_inv_data);
-	if (status != PJ_SUCCESS)
-	    return status;
+	if (status != PJ_SUCCESS) {
+	    goto on_error;
+	}
 
     } else {
 	pjsip_cseq_hdr *cseq;
@@ -2638,12 +2664,18 @@
 	    status = pjsip_dlg_send_response(inv->dlg, inv->invite_tsx, tdata);
 	}
 
-	if (status != PJ_SUCCESS)
-	    return status;
+	if (status != PJ_SUCCESS) {
+	    goto on_error;
+	}
     }
 
-    /* Done (?) */
+    /* Done */
+    pj_log_pop_indent();
     return PJ_SUCCESS;
+
+on_error:
+    pj_log_pop_indent();
+    return status;
 }
 
 
diff --git a/pjsip/src/pjsip/sip_dialog.c b/pjsip/src/pjsip/sip_dialog.c
index 3b2ce15..2b6bb89 100644
--- a/pjsip/src/pjsip/sip_dialog.c
+++ b/pjsip/src/pjsip/sip_dialog.c
@@ -802,6 +802,8 @@
 {
     PJ_ASSERT_RETURN(dlg && mod, PJ_EINVAL);
 
+    pj_log_push_indent();
+
     pjsip_dlg_inc_lock(dlg);
     ++dlg->sess_count;
     pjsip_dlg_dec_lock(dlg);
@@ -809,6 +811,7 @@
     PJ_LOG(5,(dlg->obj_name, "Session count inc to %d by %.*s",
 	      dlg->sess_count, (int)mod->name.slen, mod->name.ptr));
 
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 }
 
@@ -889,6 +892,8 @@
 {
     PJ_ASSERT_RETURN(dlg, PJ_EINVAL);
 
+    pj_log_push_indent();
+
     PJ_LOG(5,(dlg->obj_name, "Session count dec to %d by %.*s",
 	      dlg->sess_count-1, (int)mod->name.slen, mod->name.ptr));
 
@@ -896,6 +901,7 @@
     --dlg->sess_count;
     pjsip_dlg_dec_lock(dlg);
 
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 }
 
@@ -1150,6 +1156,7 @@
     PJ_ASSERT_RETURN(tdata->msg->type == PJSIP_REQUEST_MSG,
 		     PJSIP_ENOTREQUESTMSG);
 
+    pj_log_push_indent();
     PJ_LOG(5,(dlg->obj_name, "Sending %s",
 	      pjsip_tx_data_get_info(tdata)));
 
@@ -1221,7 +1228,7 @@
 
     /* Unlock dialog, may destroy dialog. */
     pjsip_dlg_dec_lock(dlg);
-
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 
 on_error:
@@ -1230,7 +1237,7 @@
    
     /* Whatever happen delete the message. */
     pjsip_tx_data_dec_ref( tdata );
-
+    pj_log_pop_indent();
     return status;
 }
 
@@ -1408,6 +1415,8 @@
     /* The transaction must belong to this dialog.  */
     PJ_ASSERT_RETURN(tsx->mod_data[dlg->ua->id] == dlg, PJ_EINVALIDOP);
 
+    pj_log_push_indent();
+
     PJ_LOG(5,(dlg->obj_name, "Sending %s",
 	      pjsip_tx_data_get_info(tdata)));
 
@@ -1452,6 +1461,7 @@
     }
 
     pjsip_dlg_dec_lock(dlg);
+    pj_log_pop_indent();
 
     return status;
 }
@@ -1519,6 +1529,7 @@
 
     PJ_LOG(5,(dlg->obj_name, "Received %s",
 	      pjsip_rx_data_get_info(rdata)));
+    pj_log_push_indent();
 
     /* Lock dialog and increment session. */
     pjsip_dlg_inc_lock(dlg);
@@ -1540,6 +1551,7 @@
 	warn_text = pj_str("Invalid CSeq");
 	pjsip_endpt_respond_stateless(dlg->endpt,
 				      rdata, 500, &warn_text, NULL, NULL);
+	pj_log_pop_indent();
 	return;
     }
 
@@ -1643,6 +1655,7 @@
 on_return:
     /* Unlock dialog and dec session, may destroy dialog. */
     pjsip_dlg_dec_lock(dlg);
+    pj_log_pop_indent();
 }
 
 /* Update route-set from incoming message */
@@ -1739,6 +1752,7 @@
 
     PJ_LOG(5,(dlg->obj_name, "Received %s",
 	      pjsip_rx_data_get_info(rdata)));
+    pj_log_push_indent();
 
     /* Lock the dialog and inc session. */
     pjsip_dlg_inc_lock(dlg);
@@ -1931,6 +1945,8 @@
 
     /* Unlock dialog and dec session, may destroy dialog. */
     pjsip_dlg_dec_lock(dlg);
+
+    pj_log_pop_indent();
 }
 
 /* This function is called by user agent upon receiving transaction
@@ -1944,6 +1960,7 @@
 
     PJ_LOG(5,(dlg->obj_name, "Transaction %s state changed to %s",
 	      tsx->obj_name, pjsip_tsx_state_str(tsx->state)));
+    pj_log_push_indent();
 
     /* Lock the dialog and increment session. */
     pjsip_dlg_inc_lock(dlg);
@@ -1972,6 +1989,7 @@
 
     /* Unlock dialog and dec session, may destroy dialog. */
     pjsip_dlg_dec_lock(dlg);
+    pj_log_pop_indent();
 }
 
 
diff --git a/pjsip/src/pjsip/sip_endpoint.c b/pjsip/src/pjsip/sip_endpoint.c
index 6d3bcdd..d39b935 100644
--- a/pjsip/src/pjsip/sip_endpoint.c
+++ b/pjsip/src/pjsip/sip_endpoint.c
@@ -825,6 +825,7 @@
 
     PJ_LOG(5, (THIS_FILE, "Processing incoming message: %s", 
 	       pjsip_rx_data_get_info(rdata)));
+    pj_log_push_indent();
 
 #if defined(PJSIP_CHECK_VIA_SENT_BY) && PJSIP_CHECK_VIA_SENT_BY != 0
     /* For response, check that the value in Via sent-by match the transport.
@@ -880,6 +881,7 @@
 				 pjsip_rx_data_get_info(rdata),
 				 rdata->pkt_info.src_name, 
 				 rdata->pkt_info.src_port));
+	    pj_log_pop_indent();
 	    return;
 	}
     }
@@ -940,6 +942,8 @@
      * rdata may be reused.
      */
     pj_bzero(&rdata->endpt_info, sizeof(rdata->endpt_info));
+
+    pj_log_pop_indent();
 }
 
 /*
diff --git a/pjsip/src/pjsip/sip_transaction.c b/pjsip/src/pjsip/sip_transaction.c
index 5db1722..bdc7b26 100644
--- a/pjsip/src/pjsip/sip_transaction.c
+++ b/pjsip/src/pjsip/sip_transaction.c
@@ -1086,6 +1086,7 @@
     
     PJ_LOG(5,(tsx->obj_name, "%s timer event", 
 	     (entry==&tsx->retransmit_timer ? "Retransmit":"Timeout")));
+    pj_log_push_indent();
 
 
     PJSIP_EVENT_INIT_TIMER(event, entry);
@@ -1094,6 +1095,8 @@
     lock_tsx(tsx, &lck);
     (*tsx->state_handler)(tsx, &event);
     unlock_tsx(tsx, &lck);
+
+    pj_log_pop_indent();
 }
 
 
@@ -1113,6 +1116,7 @@
     PJ_LOG(5, (tsx->obj_name, "State changed from %s to %s, event=%s",
 	       state_str[tsx->state], state_str[state], 
                pjsip_event_str(event_src_type)));
+    pj_log_push_indent();
 
     /* Change state. */
     tsx->state = state;
@@ -1191,6 +1195,8 @@
 	/* Destroy transaction. */
 	tsx_destroy(tsx);
     }
+
+    pj_log_pop_indent();
 }
 
 
@@ -1324,8 +1330,10 @@
     /* Unlock transaction and return. */
     unlock_tsx(tsx, &lck);
 
+    pj_log_push_indent();
     PJ_LOG(5,(tsx->obj_name, "Transaction created for %s",
 	      pjsip_tx_data_get_info(tdata)));
+    pj_log_pop_indent();
 
     *p_tsx = tsx;
     return PJ_SUCCESS;
@@ -1466,9 +1474,10 @@
     /* Unlock transaction and return. */
     unlock_tsx(tsx, &lck);
 
-
+    pj_log_push_indent();
     PJ_LOG(5,(tsx->obj_name, "Transaction created for %s",
 	      pjsip_rx_data_get_info(rdata)));
+    pj_log_pop_indent();
 
 
     *p_tsx = tsx;
@@ -1536,11 +1545,15 @@
     if (tsx->state >= PJSIP_TSX_STATE_TERMINATED)
 	return PJ_SUCCESS;
 
+    pj_log_push_indent();
+
     lock_tsx(tsx, &lck);
     tsx_set_status_code(tsx, code, NULL);
     tsx_set_state( tsx, PJSIP_TSX_STATE_TERMINATED, PJSIP_EVENT_USER, NULL);
     unlock_tsx(tsx, &lck);
 
+    pj_log_pop_indent();
+
     return PJ_SUCCESS;
 }
 
@@ -1561,6 +1574,8 @@
 
     PJ_LOG(5,(tsx->obj_name, "Request to stop retransmission"));
 
+    pj_log_push_indent();
+
     lock_tsx(tsx, &lck);
     /* Cancel retransmission timer. */
     if (tsx->retransmit_timer.id != 0) {
@@ -1569,6 +1584,8 @@
     }
     unlock_tsx(tsx, &lck);
 
+    pj_log_pop_indent();
+
     return PJ_SUCCESS;
 }
 
@@ -1640,6 +1657,7 @@
     PJ_LOG(5,(tsx->obj_name, "Sending %s in state %s",
                              pjsip_tx_data_get_info(tdata),
 			     state_str[tsx->state]));
+    pj_log_push_indent();
 
     PJSIP_EVENT_INIT_TX_MSG(event, tdata);
 
@@ -1661,6 +1679,8 @@
 	pjsip_tx_data_dec_ref(tdata);
     }
 
+    pj_log_pop_indent();
+
     return status;
 }
 
@@ -1678,6 +1698,7 @@
 
     PJ_LOG(5,(tsx->obj_name, "Incoming %s in state %s", 
 	      pjsip_rx_data_get_info(rdata), state_str[tsx->state]));
+    pj_log_push_indent();
 
     /* Put the transaction in the rdata's mod_data. */
     rdata->endpt_info.mod_data[mod_tsx_layer.mod.id] = tsx;
@@ -1689,6 +1710,8 @@
     lock_tsx(tsx, &lck);
     status = (*tsx->state_handler)(tsx, &event);
     unlock_tsx(tsx, &lck);
+
+    pj_log_pop_indent();
 }
 
 
diff --git a/pjsip/src/pjsua-lib/pjsua_acc.c b/pjsip/src/pjsua-lib/pjsua_acc.c
index 57f4093..9bcd1dd 100644
--- a/pjsip/src/pjsua-lib/pjsua_acc.c
+++ b/pjsip/src/pjsua-lib/pjsua_acc.c
@@ -374,8 +374,9 @@
 {
     pjsua_acc *acc;
     unsigned i, id;
-    pj_status_t status;
+    pj_status_t status = PJ_SUCCESS;
 
+    PJ_ASSERT_RETURN(cfg, PJ_EINVAL);
     PJ_ASSERT_RETURN(pjsua_var.acc_cnt < PJ_ARRAY_SIZE(pjsua_var.acc),
 		     PJ_ETOOMANY);
 
@@ -384,11 +385,16 @@
 
     /* Verify media count */
 #if !defined(PJMEDIA_HAS_VIDEO) || (PJMEDIA_HAS_VIDEO == 0)
+    /* Enable PJMEDIA_HAS_VIDEO in your config_site.h! */
     PJ_ASSERT_RETURN(cfg->max_video_cnt == 0, PJ_EINVAL);
 #endif
     PJ_ASSERT_RETURN(cfg->max_audio_cnt + cfg->max_video_cnt <= 
 		     PJSUA_MAX_CALL_MEDIA, PJ_ETOOMANY);
 
+    PJ_LOG(4,(THIS_FILE, "Adding account: id=%.*s",
+	      (int)cfg->id.slen, cfg->id.ptr));
+    pj_log_push_indent();
+
     PJSUA_LOCK();
 
     /* Find empty account id. */
@@ -433,8 +439,11 @@
     /* Check the route URI's and force loose route if required */
     for (i=0; i<acc->cfg.proxy_cnt; ++i) {
 	status = normalize_route_uri(acc->pool, &acc->cfg.proxy[i]);
-	if (status != PJ_SUCCESS)
+	if (status != PJ_SUCCESS) {
+	    PJSUA_UNLOCK();
+	    pj_log_pop_indent();
 	    return status;
+	}
     }
 
     status = initialize_acc(id);
@@ -443,6 +452,7 @@
 	pj_pool_release(acc->pool);
 	acc->pool = NULL;
 	PJSUA_UNLOCK();
+	pj_log_pop_indent();
 	return status;
     }
 
@@ -468,6 +478,7 @@
 	    pjsua_start_mwi(&pjsua_var.acc[id]);
     }
 
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 }
 
@@ -574,6 +585,9 @@
 		     PJ_EINVAL);
     PJ_ASSERT_RETURN(pjsua_var.acc[acc_id].valid, PJ_EINVALIDOP);
 
+    PJ_LOG(4,(THIS_FILE, "Deleting account %d..", acc_id));
+    pj_log_push_indent();
+
     PJSUA_LOCK();
 
     /* Cancel any re-registration timer */
@@ -624,6 +638,7 @@
 
     PJ_LOG(4,(THIS_FILE, "Account id %d deleted", acc_id));
 
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 }
 
@@ -655,6 +670,8 @@
     PJ_ASSERT_RETURN(cfg->max_audio_cnt + cfg->max_video_cnt <= 
 		     PJSUA_MAX_CALL_MEDIA, PJ_ETOOMANY);
 
+    PJ_LOG(4,(THIS_FILE, "Modifying accunt %d", acc_id));
+    pj_log_push_indent();
 
     PJSUA_LOCK();
 
@@ -1040,6 +1057,7 @@
 
 on_return:
     PJSUA_UNLOCK();
+    pj_log_pop_indent();
     return status;
 }
 
@@ -1055,9 +1073,15 @@
 		     PJ_EINVAL);
     PJ_ASSERT_RETURN(pjsua_var.acc[acc_id].valid, PJ_EINVALIDOP);
 
+    PJ_LOG(4,(THIS_FILE, "Acc %d: setting online status to %d..",
+	      acc_id, is_online));
+    pj_log_push_indent();
+
     pjsua_var.acc[acc_id].online_status = is_online;
     pj_bzero(&pjsua_var.acc[acc_id].rpid, sizeof(pjrpid_element));
     pjsua_pres_update_acc(acc_id, PJ_FALSE);
+
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 }
 
@@ -1073,12 +1097,18 @@
 		     PJ_EINVAL);
     PJ_ASSERT_RETURN(pjsua_var.acc[acc_id].valid, PJ_EINVALIDOP);
 
+    PJ_LOG(4,(THIS_FILE, "Acc %d: setting online status to %d..",
+    	      acc_id, is_online));
+    pj_log_push_indent();
+
     PJSUA_LOCK();
     pjsua_var.acc[acc_id].online_status = is_online;
     pjrpid_element_dup(pjsua_var.acc[acc_id].pool, &pjsua_var.acc[acc_id].rpid, pr);
     PJSUA_UNLOCK();
 
     pjsua_pres_update_acc(acc_id, PJ_TRUE);
+    pj_log_pop_indent();
+
     return PJ_SUCCESS;
 }
 
@@ -1664,6 +1694,7 @@
     if (param->regc != acc->regc)
 	return;
 
+    pj_log_push_indent();
     PJSUA_LOCK();
 
     /*
@@ -1715,6 +1746,7 @@
 	    /* Check NAT bound address */
 	    if (acc_check_nat_addr(acc, param)) {
 		PJSUA_UNLOCK();
+		pj_log_pop_indent();
 		return;
 	    }
 
@@ -1777,6 +1809,7 @@
     }
     
     PJSUA_UNLOCK();
+    pj_log_pop_indent();
 }
 
 
@@ -1964,6 +1997,10 @@
 		     PJ_EINVAL);
     PJ_ASSERT_RETURN(pjsua_var.acc[acc_id].valid, PJ_EINVALIDOP);
 
+    PJ_LOG(4,(THIS_FILE, "Acc %d: setting %sregistration..",
+	      acc_id, (renew? "" : "un")));
+    pj_log_push_indent();
+
     PJSUA_LOCK();
 
     /* Cancel any re-registration timer */
@@ -2039,12 +2076,13 @@
 	pjsua_perror(THIS_FILE, "Unable to create/send REGISTER", 
 		     status);
     } else {
-	PJ_LOG(3,(THIS_FILE, "%s sent",
+	PJ_LOG(4,(THIS_FILE, "Acc %d: %s sent", acc_id,
 	         (renew? "Registration" : "Unregistration")));
     }
 
 on_return:
     PJSUA_UNLOCK();
+    pj_log_pop_indent();
     return status;
 }
 
@@ -2790,6 +2828,10 @@
     if (state != PJSIP_TP_STATE_DISCONNECTED)
 	return;
 
+    PJ_LOG(4,(THIS_FILE, "Disconnected notification for transport %s",
+	      tp->obj_name));
+    pj_log_push_indent();
+
     /* Shutdown this transport, to make sure that the transport manager 
      * will create a new transport for reconnection.
      */
@@ -2817,4 +2859,5 @@
     }
 
     PJSUA_UNLOCK();
+    pj_log_pop_indent();
 }
diff --git a/pjsip/src/pjsua-lib/pjsua_call.c b/pjsip/src/pjsua-lib/pjsua_call.c
index ce4f0bd..3deeacc 100644
--- a/pjsip/src/pjsua-lib/pjsua_call.c
+++ b/pjsip/src/pjsua-lib/pjsua_call.c
@@ -342,7 +342,7 @@
 					  const pjsua_msg_data *msg_data,
 					  pjsua_call_id *p_call_id)
 {
-    pj_pool_t *tmp_pool;
+    pj_pool_t *tmp_pool = NULL;
     pjsip_dialog *dlg = NULL;
     pjmedia_sdp_session *offer;
     pjsip_inv_session *inv = NULL;
@@ -361,6 +361,11 @@
     /* Check arguments */
     PJ_ASSERT_RETURN(dest_uri, PJ_EINVAL);
 
+    PJ_LOG(4,(THIS_FILE, "Making call with acc #%d to %.*s", acc_id,
+	      (int)dest_uri->slen, dest_uri->ptr));
+
+    pj_log_push_indent();
+
     PJSUA_LOCK();
 
     /* Create sound port if none is instantiated, to check if sound device
@@ -374,18 +379,16 @@
 	pj_status_t status;
 
 	status = pjsua_set_snd_dev(pjsua_var.cap_dev, pjsua_var.play_dev);
-	if (status != PJ_SUCCESS) {
-	    PJSUA_UNLOCK();
-	    return status;
-	}
+	if (status != PJ_SUCCESS)
+	    goto on_error;
     }
 
     acc = &pjsua_var.acc[acc_id];
     if (!acc->valid) {
 	pjsua_perror(THIS_FILE, "Unable to make call because account "
 		     "is not valid", PJ_EINVALIDOP);
-	PJSUA_UNLOCK();
-	return PJ_EINVALIDOP;
+	status = PJ_EINVALIDOP;
+	goto on_error;
     }
 
     /* Find free call slot. */
@@ -393,8 +396,8 @@
 
     if (call_id == PJSUA_INVALID_ID) {
 	pjsua_perror(THIS_FILE, "Error making call", PJ_ETOOMANY);
-	PJSUA_UNLOCK();
-	return PJ_ETOOMANY;
+	status = PJ_ETOOMANY;
+	goto on_error;
     }
 
     call = &pjsua_var.calls[call_id];
@@ -421,15 +424,11 @@
 	if (uri == NULL) {
 	    pjsua_perror(THIS_FILE, "Unable to make call", 
 			 PJSIP_EINVALIDREQURI);
-	    pj_pool_release(tmp_pool);
-	    PJSUA_UNLOCK();
-	    return PJSIP_EINVALIDREQURI;
+	    status = PJSIP_EINVALIDREQURI;
+	    goto on_error;
 	}
     }
 
-    PJ_LOG(4,(THIS_FILE, "Making call with acc #%d to %.*s", acc_id,
-	      (int)dest_uri->slen, dest_uri->ptr));
-
     /* Mark call start time. */
     pj_gettimeofday(&call->start_time);
 
@@ -447,9 +446,7 @@
 	if (status != PJ_SUCCESS) {
 	    pjsua_perror(THIS_FILE, "Unable to generate Contact header", 
 			 status);
-	    pj_pool_release(tmp_pool);
-	    PJSUA_UNLOCK();
-	    return status;
+	    goto on_error;
 	}
     }
 
@@ -459,9 +456,7 @@
 				   dest_uri, dest_uri, &dlg);
     if (status != PJ_SUCCESS) {
 	pjsua_perror(THIS_FILE, "Dialog creation failed", status);
-	pj_pool_release(tmp_pool);
-	PJSUA_UNLOCK();
-	return status;
+	goto on_error;
     }
 
     /* Increment the dialog's lock otherwise when invite session creation
@@ -587,6 +582,8 @@
     pj_pool_release(tmp_pool);
     PJSUA_UNLOCK();
 
+    pj_log_pop_indent();
+
     return PJ_SUCCESS;
 
 
@@ -605,8 +602,11 @@
 	pjsua_media_channel_deinit(call_id);
     }
 
-    pj_pool_release(tmp_pool);
+    if (tmp_pool)
+	pj_pool_release(tmp_pool);
     PJSUA_UNLOCK();
+
+    pj_log_pop_indent();
     return status;
 }
 
@@ -668,6 +668,9 @@
 	return PJ_TRUE;
     }
 
+    PJ_LOG(4,(THIS_FILE, "Incoming %s", rdata->msg_info.info));
+    pj_log_push_indent();
+
     PJSUA_LOCK();
 
     /* Find free call slot. */
@@ -679,8 +682,7 @@
 				      NULL, NULL);
 	PJ_LOG(2,(THIS_FILE, 
 		  "Unable to accept incoming call (too many calls)"));
-	PJSUA_UNLOCK();
-	return PJ_TRUE;
+	goto on_return;
     }
 
     /* Clear call descriptor */
@@ -714,8 +716,7 @@
 					  NULL, NULL);
 	}
 
-	PJSUA_UNLOCK();
-	return PJ_TRUE;
+	goto on_return;
     }
 
     /* If this INVITE request contains Replaces header, notify application
@@ -745,8 +746,7 @@
 
 	    pjsip_endpt_respond(pjsua_var.endpt, NULL, rdata, 
 				st_code, &st_text, NULL, NULL, NULL);
-	    PJSUA_UNLOCK();
-	    return PJ_TRUE;
+	    goto on_return;
 	}
     }
 
@@ -793,8 +793,7 @@
 
 	    pjsip_endpt_respond(pjsua_var.endpt, NULL, rdata, 400, 
 				&reason, &hdr_list, NULL, NULL);
-	    PJSUA_UNLOCK();
-	    return PJ_TRUE;
+	    goto on_return;
 	}
 
 	/* Do quick checks on SDP before passing it to transports. More elabore 
@@ -804,8 +803,7 @@
 	    const pj_str_t reason = pj_str("Missing media in SDP");
 	    pjsip_endpt_respond(pjsua_var.endpt, NULL, rdata, 400, &reason, 
 				NULL, NULL, NULL);
-	    PJSUA_UNLOCK();
-	    return PJ_TRUE;
+	    goto on_return;
 	}
 
     } else {
@@ -822,8 +820,7 @@
 	pjsua_perror(THIS_FILE, "Error initializing media channel", status);
 	pjsip_endpt_respond(pjsua_var.endpt, NULL, rdata,
 			    sip_err_code, NULL, NULL, NULL, NULL);
-	PJSUA_UNLOCK();
-	return PJ_TRUE;
+	goto on_return;
     }
 
     /* Create answer */
@@ -833,8 +830,7 @@
 	pjsua_perror(THIS_FILE, "Error creating SDP answer", status);
 	pjsip_endpt_respond(pjsua_var.endpt, NULL, rdata,
 			    sip_err_code, NULL, NULL, NULL, NULL);
-	PJSUA_UNLOCK();
-	return PJ_TRUE;
+	goto on_return;
     }
 
 
@@ -871,8 +867,7 @@
 	}
 
 	pjsua_media_channel_deinit(call->index);
-	PJSUA_UNLOCK();
-	return PJ_TRUE;
+	goto on_return;
     } 
 
 
@@ -888,8 +883,7 @@
 	    pjsip_endpt_respond_stateless(pjsua_var.endpt, rdata, 500, NULL,
 					  NULL, NULL);
 	    pjsua_media_channel_deinit(call->index);
-	    PJSUA_UNLOCK();
-	    return PJ_TRUE;
+	    goto on_return;
 	}
     }
 
@@ -900,8 +894,7 @@
 	pjsip_endpt_respond_stateless(pjsua_var.endpt, rdata, 500, NULL,
 				      NULL, NULL);
 	pjsua_media_channel_deinit(call->index);
-	PJSUA_UNLOCK();
-	return PJ_TRUE;
+	goto on_return;
     }
 
     /* Set credentials */
@@ -942,8 +935,7 @@
 	pjsip_dlg_terminate(dlg);
 	 */
 	pjsua_media_channel_deinit(call->index);
-	PJSUA_UNLOCK();
-	return PJ_TRUE;
+	goto on_return;
     }
 
     /* Init Session Timers */
@@ -958,8 +950,7 @@
 
 	pjsua_media_channel_deinit(call->index);
 
-	PJSUA_UNLOCK();
-	return PJ_TRUE;
+	goto on_return;
     }
 
     /* Update NAT type of remote endpoint, only when there is SDP in
@@ -1006,15 +997,13 @@
 				PJ_FALSE);
 	}
 	pjsua_media_channel_deinit(call->index);
-	PJSUA_UNLOCK();
-	return PJ_TRUE;
+	goto on_return;
 
     } else {
 	status = pjsip_inv_send_msg(inv, response);
 	if (status != PJ_SUCCESS) {
 	    pjsua_perror(THIS_FILE, "Unable to send 100 response", status);
-	    PJSUA_UNLOCK();
-	    return PJ_TRUE;
+	    goto on_return;
 	}
     }
 
@@ -1087,6 +1076,8 @@
 
 
     /* This INVITE request has been handled. */
+on_return:
+    pj_log_pop_indent();
     PJSUA_UNLOCK();
     return PJ_TRUE;
 }
@@ -1577,16 +1568,19 @@
 				       const pjsua_msg_data *msg_data)
 {
     pjsua_call *call;
-    pjsip_dialog *dlg;
+    pjsip_dialog *dlg = NULL;
     pjsip_tx_data *tdata;
     pj_status_t status;
 
     PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls,
 		     PJ_EINVAL);
 
+    PJ_LOG(4,(THIS_FILE, "Answering call %d: code=%d", call_id, code));
+    pj_log_push_indent();
+
     status = acquire_call("pjsua_call_answer()", call_id, &call, &dlg);
     if (status != PJ_SUCCESS)
-	return status;
+	goto on_return;
 
     if (call->res_time.sec == 0)
 	pj_gettimeofday(&call->res_time);
@@ -1599,17 +1593,14 @@
     if (status != PJ_SUCCESS) {
 	pjsua_perror(THIS_FILE, "Error creating response", 
 		     status);
-	pjsip_dlg_dec_lock(dlg);
-	return status;
+	goto on_return;
     }
 
     /* Call might have been disconnected if application is answering with
      * 200/OK and the media failed to start.
      */
-    if (call->inv == NULL) {
-	pjsip_dlg_dec_lock(dlg);
-	return PJSIP_ESESSIONTERMINATED;
-    }
+    if (call->inv == NULL)
+	goto on_return;
 
     /* Add additional headers etc */
     pjsua_process_msg_data( tdata, msg_data);
@@ -1620,8 +1611,9 @@
 	pjsua_perror(THIS_FILE, "Error sending response", 
 		     status);
 
-    pjsip_dlg_dec_lock(dlg);
-
+on_return:
+    if (dlg) pjsip_dlg_dec_lock(dlg);
+    pj_log_pop_indent();
     return status;
 }
 
@@ -1636,7 +1628,7 @@
 				      const pjsua_msg_data *msg_data)
 {
     pjsua_call *call;
-    pjsip_dialog *dlg;
+    pjsip_dialog *dlg = NULL;
     pj_status_t status;
     pjsip_tx_data *tdata;
 
@@ -1649,9 +1641,12 @@
     PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls,
 		     PJ_EINVAL);
 
+    PJ_LOG(4,(THIS_FILE, "Call %d hanging up: code=%d..", call_id, code));
+    pj_log_push_indent();
+
     status = acquire_call("pjsua_call_hangup()", call_id, &call, &dlg);
     if (status != PJ_SUCCESS)
-	return status;
+	goto on_return;
 
     if (code==0) {
 	if (call->inv->state == PJSIP_INV_STATE_CONFIRMED)
@@ -1667,18 +1662,15 @@
 	pjsua_perror(THIS_FILE, 
 		     "Failed to create end session message", 
 		     status);
-	pjsip_dlg_dec_lock(dlg);
-	return status;
+	goto on_return;
     }
 
     /* pjsip_inv_end_session may return PJ_SUCCESS with NULL 
      * as p_tdata when INVITE transaction has not been answered
      * with any provisional responses.
      */
-    if (tdata == NULL) {
-	pjsip_dlg_dec_lock(dlg);
-	return PJ_SUCCESS;
-    }
+    if (tdata == NULL)
+	goto on_return;
 
     /* Add additional headers etc */
     pjsua_process_msg_data( tdata, msg_data);
@@ -1689,8 +1681,7 @@
 	pjsua_perror(THIS_FILE, 
 		     "Failed to send end session message", 
 		     status);
-	pjsip_dlg_dec_lock(dlg);
-	return status;
+	goto on_return;
     }
 
     /* Stop lock codec timer, if it is active */
@@ -1700,9 +1691,10 @@
 	call->lock_codec.reinv_timer.id = PJ_FALSE;
     }
 
-    pjsip_dlg_dec_lock(dlg);
-
-    return PJ_SUCCESS;
+on_return:
+    if (dlg) pjsip_dlg_dec_lock(dlg);
+    pj_log_pop_indent();
+    return status;
 }
 
 
@@ -1740,36 +1732,35 @@
 {
     pjmedia_sdp_session *sdp;
     pjsua_call *call;
-    pjsip_dialog *dlg;
+    pjsip_dialog *dlg = NULL;
     pjsip_tx_data *tdata;
     pj_status_t status;
 
     PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls,
 		     PJ_EINVAL);
 
+    PJ_LOG(4,(THIS_FILE, "Putting call %d on hold", call_id));
+    pj_log_push_indent();
+
     status = acquire_call("pjsua_call_set_hold()", call_id, &call, &dlg);
     if (status != PJ_SUCCESS)
-	return status;
-
+	goto on_return;
 
     if (call->inv->state != PJSIP_INV_STATE_CONFIRMED) {
 	PJ_LOG(3,(THIS_FILE, "Can not hold call that is not confirmed"));
-	pjsip_dlg_dec_lock(dlg);
-	return PJSIP_ESESSIONSTATE;
+	status = PJSIP_ESESSIONSTATE;
+	goto on_return;
     }
 
     status = create_sdp_of_call_hold(call, &sdp);
-    if (status != PJ_SUCCESS) {
-	pjsip_dlg_dec_lock(dlg);
-	return status;
-    }
+    if (status != PJ_SUCCESS)
+	goto on_return;
 
     /* Create re-INVITE with new offer */
     status = pjsip_inv_reinvite( call->inv, NULL, sdp, &tdata);
     if (status != PJ_SUCCESS) {
 	pjsua_perror(THIS_FILE, "Unable to create re-INVITE", status);
-	pjsip_dlg_dec_lock(dlg);
-	return status;
+	goto on_return;
     }
 
     /* Add additional headers etc */
@@ -1779,16 +1770,16 @@
     status = pjsip_inv_send_msg( call->inv, tdata);
     if (status != PJ_SUCCESS) {
 	pjsua_perror(THIS_FILE, "Unable to send re-INVITE", status);
-	pjsip_dlg_dec_lock(dlg);
-	return status;
+	goto on_return;
     }
 
     /* Set flag that local put the call on hold */
     call->local_hold = PJ_TRUE;
 
-    pjsip_dlg_dec_lock(dlg);
-
-    return PJ_SUCCESS;
+on_return:
+    if (dlg) pjsip_dlg_dec_lock(dlg);
+    pj_log_pop_indent();
+    return status;
 }
 
 
@@ -1803,21 +1794,24 @@
     pj_str_t *new_contact = NULL;
     pjsip_tx_data *tdata;
     pjsua_call *call;
-    pjsip_dialog *dlg;
+    pjsip_dialog *dlg = NULL;
     pj_status_t status;
 
 
     PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls,
 		     PJ_EINVAL);
 
+    PJ_LOG(4,(THIS_FILE, "Sending re-INVITE on call %d", call_id));
+    pj_log_push_indent();
+
     status = acquire_call("pjsua_call_reinvite()", call_id, &call, &dlg);
     if (status != PJ_SUCCESS)
-	return status;
+	goto on_return;
 
     if (call->inv->state != PJSIP_INV_STATE_CONFIRMED) {
 	PJ_LOG(3,(THIS_FILE, "Can not re-INVITE call that is not confirmed"));
-	pjsip_dlg_dec_lock(dlg);
-	return PJSIP_ESESSIONSTATE;
+	status = PJSIP_ESESSIONSTATE;
+	goto on_return;
     }
 
     /* Create SDP */
@@ -1832,8 +1826,7 @@
     if (status != PJ_SUCCESS) {
 	pjsua_perror(THIS_FILE, "Unable to get SDP from media endpoint", 
 		     status);
-	pjsip_dlg_dec_lock(dlg);
-	return status;
+	goto on_return;
     }
 
     if ((options & PJSUA_CALL_UPDATE_CONTACT) &
@@ -1846,8 +1839,7 @@
     status = pjsip_inv_reinvite( call->inv, new_contact, sdp, &tdata);
     if (status != PJ_SUCCESS) {
 	pjsua_perror(THIS_FILE, "Unable to create re-INVITE", status);
-	pjsip_dlg_dec_lock(dlg);
-	return status;
+	goto on_return;
     }
 
     /* Add additional headers etc */
@@ -1857,13 +1849,13 @@
     status = pjsip_inv_send_msg( call->inv, tdata);
     if (status != PJ_SUCCESS) {
 	pjsua_perror(THIS_FILE, "Unable to send re-INVITE", status);
-	pjsip_dlg_dec_lock(dlg);
-	return status;
+	goto on_return;
     }
 
+on_return:
     pjsip_dlg_dec_lock(dlg);
-
-    return PJ_SUCCESS;
+    pj_log_pop_indent();
+    return status;
 }
 
 
@@ -1878,7 +1870,7 @@
     pj_str_t *new_contact = NULL;
     pjsip_tx_data *tdata;
     pjsua_call *call;
-    pjsip_dialog *dlg;
+    pjsip_dialog *dlg = NULL;
     pj_status_t status;
 
     PJ_UNUSED_ARG(options);
@@ -1886,9 +1878,12 @@
     PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls,
 		     PJ_EINVAL);
 
+    PJ_LOG(4,(THIS_FILE, "Sending UPDATE on call %d", call_id));
+    pj_log_push_indent();
+
     status = acquire_call("pjsua_call_update()", call_id, &call, &dlg);
     if (status != PJ_SUCCESS)
-	return status;
+	goto on_return;
 
     /* Create SDP */
     status = pjsua_media_channel_create_sdp(call->index, 
@@ -1897,8 +1892,7 @@
     if (status != PJ_SUCCESS) {
 	pjsua_perror(THIS_FILE, "Unable to get SDP from media endpoint", 
 		     status);
-	pjsip_dlg_dec_lock(dlg);
-	return status;
+	goto on_return;
     }
 
     if ((options & PJSUA_CALL_UPDATE_CONTACT) &
@@ -1911,8 +1905,7 @@
     status = pjsip_inv_update(call->inv, new_contact, sdp, &tdata);
     if (status != PJ_SUCCESS) {
 	pjsua_perror(THIS_FILE, "Unable to create UPDATE request", status);
-	pjsip_dlg_dec_lock(dlg);
-	return status;
+	goto on_return;
     }
 
     /* Add additional headers etc */
@@ -1922,15 +1915,15 @@
     status = pjsip_inv_send_msg( call->inv, tdata);
     if (status != PJ_SUCCESS) {
 	pjsua_perror(THIS_FILE, "Unable to send UPDATE request", status);
-	pjsip_dlg_dec_lock(dlg);
-	return status;
+	goto on_return;
     }
 
     call->local_hold = PJ_FALSE;
 
-    pjsip_dlg_dec_lock(dlg);
-
-    return PJ_SUCCESS;
+on_return:
+    if (dlg) pjsip_dlg_dec_lock(dlg);
+    pj_log_pop_indent();
+    return status;
 }
 
 
@@ -1944,20 +1937,23 @@
     pjsip_evsub *sub;
     pjsip_tx_data *tdata;
     pjsua_call *call;
-    pjsip_dialog *dlg;
+    pjsip_dialog *dlg = NULL;
     pjsip_generic_string_hdr *gs_hdr;
     const pj_str_t str_ref_by = { "Referred-By", 11 };
     struct pjsip_evsub_user xfer_cb;
     pj_status_t status;
 
 
-    PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls,
-		     PJ_EINVAL);
+    PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls &&
+                     dest, PJ_EINVAL);
     
+    PJ_LOG(4,(THIS_FILE, "Transfering call %d to %.*s", call_id,
+			 (int)dest->slen, dest->ptr));
+    pj_log_push_indent();
+
     status = acquire_call("pjsua_call_xfer()", call_id, &call, &dlg);
     if (status != PJ_SUCCESS)
-	return status;
-
+	goto on_return;
    
     /* Create xfer client subscription. */
     pj_bzero(&xfer_cb, sizeof(xfer_cb));
@@ -1966,8 +1962,7 @@
     status = pjsip_xfer_create_uac(call->inv->dlg, &xfer_cb, &sub);
     if (status != PJ_SUCCESS) {
 	pjsua_perror(THIS_FILE, "Unable to create xfer", status);
-	pjsip_dlg_dec_lock(dlg);
-	return status;
+	goto on_return;
     }
 
     /* Associate this call with the client subscription */
@@ -1979,8 +1974,7 @@
     status = pjsip_xfer_initiate(sub, dest, &tdata);
     if (status != PJ_SUCCESS) {
 	pjsua_perror(THIS_FILE, "Unable to create REFER request", status);
-	pjsip_dlg_dec_lock(dlg);
-	return status;
+	goto on_return;
     }
 
     /* Add Referred-By header */
@@ -1996,18 +1990,17 @@
     status = pjsip_xfer_send_request(sub, tdata);
     if (status != PJ_SUCCESS) {
 	pjsua_perror(THIS_FILE, "Unable to send REFER request", status);
-	pjsip_dlg_dec_lock(dlg);
-	return status;
+	goto on_return;
     }
 
     /* For simplicity (that's what this program is intended to be!), 
      * leave the original invite session as it is. More advanced application
      * may want to hold the INVITE, or terminate the invite, or whatever.
      */
-
-    pjsip_dlg_dec_lock(dlg);
-
-    return PJ_SUCCESS;
+on_return:
+    if (dlg) pjsip_dlg_dec_lock(dlg);
+    pj_log_pop_indent();
+    return status;
 
 }
 
@@ -2035,21 +2028,28 @@
 		      dest_call_id<(int)pjsua_var.ua_cfg.max_calls,
 		     PJ_EINVAL);
     
+    PJ_LOG(4,(THIS_FILE, "Transfering call %d replacing with call %d",
+			 call_id, dest_call_id));
+    pj_log_push_indent();
+
     status = acquire_call("pjsua_call_xfer_replaces()", dest_call_id, 
 			  &dest_call, &dest_dlg);
-    if (status != PJ_SUCCESS)
+    if (status != PJ_SUCCESS) {
+	pj_log_pop_indent();
 	return status;
+    }
         
     /* 
      * Create REFER destination URI with Replaces field.
      */
 
     /* Make sure we have sufficient buffer's length */
-    PJ_ASSERT_RETURN( dest_dlg->remote.info_str.slen +
+    PJ_ASSERT_ON_FAIL(dest_dlg->remote.info_str.slen +
 		      dest_dlg->call_id->id.slen +
 		      dest_dlg->remote.info->tag.slen +
 		      dest_dlg->local.info->tag.slen + 32 
-		      < (long)sizeof(str_dest_buf), PJSIP_EURITOOLONG);
+		      < (long)sizeof(str_dest_buf),
+		      { status=PJSIP_EURITOOLONG; goto on_error; });
 
     /* Print URI */
     str_dest_buf[0] = '<';
@@ -2058,8 +2058,10 @@
     uri = (pjsip_uri*) pjsip_uri_get_uri(dest_dlg->remote.info->uri);
     len = pjsip_uri_print(PJSIP_URI_IN_REQ_URI, uri, 
 		          str_dest_buf+1, sizeof(str_dest_buf)-1);
-    if (len < 0)
-	return PJSIP_EURITOOLONG;
+    if (len < 0) {
+	status = PJSIP_EURITOOLONG;
+	goto on_error;
+    }
 
     str_dest.slen += len;
 
@@ -2080,15 +2082,23 @@
 			   (int)dest_dlg->local.info->tag.slen,
 			   dest_dlg->local.info->tag.ptr);
 
-    PJ_ASSERT_RETURN(len > 0 && len <= (int)sizeof(str_dest_buf)-str_dest.slen,
-		     PJSIP_EURITOOLONG);
+    PJ_ASSERT_ON_FAIL(len > 0 && len <= (int)sizeof(str_dest_buf)-str_dest.slen,
+		      { status=PJSIP_EURITOOLONG; goto on_error; });
     
     str_dest.ptr = str_dest_buf;
     str_dest.slen += len;
 
     pjsip_dlg_dec_lock(dest_dlg);
     
-    return pjsua_call_xfer(call_id, &str_dest, msg_data);
+    status = pjsua_call_xfer(call_id, &str_dest, msg_data);
+
+    pj_log_pop_indent();
+    return status;
+
+on_error:
+    if (dest_dlg) pjsip_dlg_dec_lock(dest_dlg);
+    pj_log_pop_indent();
+    return status;
 }
 
 
@@ -2099,27 +2109,32 @@
 					  const pj_str_t *digits)
 {
     pjsua_call *call;
-    pjsip_dialog *dlg;
+    pjsip_dialog *dlg = NULL;
     pj_status_t status;
 
     PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls,
 		     PJ_EINVAL);
     
+    PJ_LOG(4,(THIS_FILE, "Call %d dialing DTMF %.*s",
+    			 call_id, (int)digits->slen, digits->ptr));
+    pj_log_push_indent();
+
     status = acquire_call("pjsua_call_dial_dtmf()", call_id, &call, &dlg);
     if (status != PJ_SUCCESS)
-	return status;
+	goto on_return;
 
     if (!pjsua_call_has_media(call_id)) {
 	PJ_LOG(3,(THIS_FILE, "Media is not established yet!"));
-	pjsip_dlg_dec_lock(dlg);
-	return PJ_EINVALIDOP;
+	status = PJ_EINVALIDOP;
+	goto on_return;
     }
 
     status = pjmedia_stream_dial_dtmf(
 		call->media[call->audio_idx].strm.a.stream, digits);
 
-    pjsip_dlg_dec_lock(dlg);
-
+on_return:
+    if (dlg) pjsip_dlg_dec_lock(dlg);
+    pj_log_pop_indent();
     return status;
 }
 
@@ -2134,20 +2149,23 @@
 					void *user_data)
 {
     pjsua_call *call;
-    pjsip_dialog *dlg;
+    pjsip_dialog *dlg = NULL;
     const pj_str_t mime_text_plain = pj_str("text/plain");
     pjsip_media_type ctype;
     pjsua_im_data *im_data;
     pjsip_tx_data *tdata;
     pj_status_t status;
 
-
     PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls,
 		     PJ_EINVAL);
 
+    PJ_LOG(4,(THIS_FILE, "Call %d sending %d bytes MESSAGE..",
+        	          call_id, (int)content->slen));
+    pj_log_push_indent();
+
     status = acquire_call("pjsua_call_send_im()", call_id, &call, &dlg);
     if (status != PJ_SUCCESS)
-	return status;
+	goto on_return;
     
     /* Set default media type if none is specified */
     if (mime_type == NULL) {
@@ -2199,7 +2217,8 @@
     }
 
 on_return:
-    pjsip_dlg_dec_lock(dlg);
+    if (dlg) pjsip_dlg_dec_lock(dlg);
+    pj_log_pop_indent();
     return status;
 }
 
@@ -2212,16 +2231,20 @@
 						const pjsua_msg_data*msg_data)
 {
     pjsua_call *call;
-    pjsip_dialog *dlg;
+    pjsip_dialog *dlg = NULL;
     pjsip_tx_data *tdata;
     pj_status_t status;
 
     PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls,
 		     PJ_EINVAL);
 
+    PJ_LOG(4,(THIS_FILE, "Call %d sending typing indication..",
+            	          call_id));
+    pj_log_push_indent();
+
     status = acquire_call("pjsua_call_send_typing_ind", call_id, &call, &dlg);
     if (status != PJ_SUCCESS)
-	return status;
+	goto on_return;
 
     /* Create request message. */
     status = pjsip_dlg_create_request( call->inv->dlg, &pjsip_message_method,
@@ -2246,7 +2269,8 @@
     }
 
 on_return:
-    pjsip_dlg_dec_lock(dlg);
+    if (dlg) pjsip_dlg_dec_lock(dlg);
+    pj_log_pop_indent();
     return status;
 }
 
@@ -2259,7 +2283,7 @@
 					    const pjsua_msg_data *msg_data)
 {
     pjsua_call *call;
-    pjsip_dialog *dlg;
+    pjsip_dialog *dlg = NULL;
     pjsip_method method;
     pjsip_tx_data *tdata;
     pj_status_t status;
@@ -2267,9 +2291,13 @@
     PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls,
 		     PJ_EINVAL);
 
+    PJ_LOG(4,(THIS_FILE, "Call %d sending %.*s request..",
+            	          call_id, (int)method_str->slen, method_str->ptr));
+    pj_log_push_indent();
+
     status = acquire_call("pjsua_call_send_request", call_id, &call, &dlg);
     if (status != PJ_SUCCESS)
-	return status;
+	goto on_return;
 
     /* Init method */
     pjsip_method_init_np(&method, (pj_str_t*)method_str);
@@ -2292,7 +2320,8 @@
     }
 
 on_return:
-    pjsip_dlg_dec_lock(dlg);
+    if (dlg) pjsip_dlg_dec_lock(dlg);
+    pj_log_pop_indent();
     return status;
 }
 
@@ -2304,6 +2333,9 @@
 {
     unsigned i;
 
+    PJ_LOG(4,(THIS_FILE, "Hangup all calls.."));
+    pj_log_push_indent();
+
     PJSUA_LOCK();
 
     for (i=0; i<pjsua_var.ua_cfg.max_calls; ++i) {
@@ -2312,6 +2344,7 @@
     }
 
     PJSUA_UNLOCK();
+    pj_log_pop_indent();
 }
 
 
@@ -2608,7 +2641,7 @@
     if (++call->lock_codec.retry_cnt > LOCK_CODEC_MAX_RETRY)
         return PJ_SUCCESS;
 
-    PJ_LOG(3, (THIS_FILE, "Got answer with multiple codecs, scheduling "
+    PJ_LOG(4, (THIS_FILE, "Got answer with multiple codecs, scheduling "
 			  "updating media session to use only one codec.."));
 
     call->lock_codec.sdp_ver = local_sdp->origin.version;
@@ -2634,12 +2667,14 @@
 {
     pjsua_call *call;
 
+    pj_log_push_indent();
     PJSUA_LOCK();
 
     call = (pjsua_call*) inv->dlg->mod_data[pjsua_var.mod.id];
 
     if (!call) {
 	PJSUA_UNLOCK();
+	pj_log_pop_indent();
 	return;
     }
 
@@ -2796,6 +2831,7 @@
     }
 
     PJSUA_UNLOCK();
+    pj_log_pop_indent();
 }
 
 /*
@@ -2904,6 +2940,7 @@
     const pjmedia_sdp_session *remote_sdp;
     //const pj_str_t st_update = {"UPDATE", 6};
 
+    pj_log_push_indent();
     PJSUA_LOCK();
 
     call = (pjsua_call*) inv->dlg->mod_data[pjsua_var.mod.id];
@@ -2929,8 +2966,7 @@
 	    call_disconnect(inv, PJSIP_SC_UNSUPPORTED_MEDIA_TYPE);
 	}
 
-	PJSUA_UNLOCK();
-	return;
+	goto on_return;
     }
 
 
@@ -2941,8 +2977,7 @@
 		     "Unable to retrieve currently active local SDP", 
 		     status);
 	//call_disconnect(inv, PJSIP_SC_UNSUPPORTED_MEDIA_TYPE);
-	PJSUA_UNLOCK();
-	return;
+	goto on_return;
     }
 
     status = pjmedia_sdp_neg_get_active_remote(call->inv->neg, &remote_sdp);
@@ -2951,8 +2986,7 @@
 		     "Unable to retrieve currently active remote SDP", 
 		     status);
 	//call_disconnect(inv, PJSIP_SC_UNSUPPORTED_MEDIA_TYPE);
-	PJSUA_UNLOCK();
-	return;
+	goto on_return;
     }
 
     /* Update remote's NAT type */
@@ -2970,8 +3004,7 @@
 	 * state is disconnected anyway.
 	 */
 	/*pjsua_media_channel_deinit(call->index);*/
-	PJSUA_UNLOCK();
-	return;
+	goto on_return;
     }
 
     /* Ticket #476: make sure only one codec is specified in the answer. */
@@ -2984,8 +3017,9 @@
     if (pjsua_var.ua_cfg.cb.on_call_media_state)
 	pjsua_var.ua_cfg.cb.on_call_media_state(call->index);
 
-
+on_return:
     PJSUA_UNLOCK();
+    pj_log_pop_indent();
 }
 
 
@@ -3104,14 +3138,14 @@
     /* Supply candidate answer */
     PJ_LOG(4,(THIS_FILE, "Call %d: received updated media offer",
 	      call->index));
+    pj_log_push_indent();
 
     status = pjsua_media_channel_create_sdp(call->index, 
 					    call->inv->pool_prov, 
 					    offer, &answer, NULL);
     if (status != PJ_SUCCESS) {
 	pjsua_perror(THIS_FILE, "Unable to create local SDP", status);
-	PJSUA_UNLOCK();
-	return;
+	goto on_return;
     }
 
     /* Validate media count in the generated answer */
@@ -3154,11 +3188,12 @@
     status = pjsip_inv_set_sdp_answer(call->inv, answer);
     if (status != PJ_SUCCESS) {
 	pjsua_perror(THIS_FILE, "Unable to set answer", status);
-	PJSUA_UNLOCK();
-	return;
+	goto on_return;
     }
 
+on_return:
     PJSUA_UNLOCK();
+    pj_log_pop_indent();
 }
 
 
@@ -3171,6 +3206,7 @@
     pjsua_call *call;
     pj_status_t status;
 
+    pj_log_push_indent();
     PJSUA_LOCK();
 
     call = (pjsua_call*) inv->dlg->mod_data[pjsua_var.mod.id];
@@ -3192,11 +3228,12 @@
 
     if (status != PJ_SUCCESS) {
 	pjsua_perror(THIS_FILE, "Unable to create local SDP", status);
-	PJSUA_UNLOCK();
-	return;
+	goto on_return;
     }
 
+on_return:
     PJSUA_UNLOCK();
+    pj_log_pop_indent();
 }
 
 
@@ -3209,6 +3246,8 @@
     
     PJ_UNUSED_ARG(event);
 
+    pj_log_push_indent();
+
     /*
      * When subscription is accepted (got 200/OK to REFER), check if 
      * subscription suppressed.
@@ -3296,7 +3335,7 @@
 
 	if (!call || !event || !pjsua_var.ua_cfg.cb.on_call_transfer_status) {
 	    /* Application is not interested with call progress status */
-	    return;
+	    goto on_return;
 	}
 
 	/* This better be a NOTIFY request */
@@ -3313,7 +3352,7 @@
 	    if (!body) {
 		PJ_LOG(2,(THIS_FILE, 
 			  "Warning: received NOTIFY without message body"));
-		return;
+		goto on_return;
 	    }
 
 	    /* Check for appropriate content */
@@ -3323,7 +3362,7 @@
 		PJ_LOG(2,(THIS_FILE, 
 			  "Warning: received NOTIFY with non message/sipfrag "
 			  "content"));
-		return;
+		goto on_return;
 	    }
 
 	    /* Try to parse the content */
@@ -3333,7 +3372,7 @@
 		PJ_LOG(2,(THIS_FILE, 
 			  "Warning: received NOTIFY with invalid "
 			  "message/sipfrag content"));
-		return;
+		goto on_return;
 	    }
 
 	} else {
@@ -3365,6 +3404,9 @@
 		status = pjsip_evsub_send_request(sub, tdata);
 	}
     }
+
+on_return:
+    pj_log_pop_indent();
 }
 
 
@@ -3374,9 +3416,10 @@
  */
 static void xfer_server_on_evsub_state( pjsip_evsub *sub, pjsip_event *event)
 {
-    
     PJ_UNUSED_ARG(event);
 
+    pj_log_push_indent();
+
     /*
      * When subscription is terminated, clear the xfer_sub member of 
      * the inv_data.
@@ -3386,13 +3429,16 @@
 
 	call = (pjsua_call*) pjsip_evsub_get_mod_data(sub, pjsua_var.mod.id);
 	if (!call)
-	    return;
+	    goto on_return;
 
 	pjsip_evsub_set_mod_data(sub, pjsua_var.mod.id, NULL);
 	call->xfer_sub = NULL;
 
 	PJ_LOG(4,(THIS_FILE, "Xfer server subscription terminated"));
     }
+
+on_return:
+    pj_log_pop_indent();
 }
 
 
@@ -3419,6 +3465,8 @@
     pjsip_status_code code;
     pjsip_evsub *sub;
 
+    pj_log_push_indent();
+
     existing_call = (pjsua_call*) inv->dlg->mod_data[pjsua_var.mod.id];
 
     /* Find the Refer-To header */
@@ -3431,7 +3479,7 @@
 	 */
 	PJ_LOG(4,(THIS_FILE, "Received REFER without Refer-To header!"));
 	pjsip_dlg_respond( inv->dlg, rdata, 400, NULL, NULL, NULL);
-	return;
+	goto on_return;
     }
 
     /* Find optional Refer-Sub header */
@@ -3462,7 +3510,7 @@
     if (code >= 300) {
 	/* Application rejects call transfer request */
 	pjsip_dlg_respond( inv->dlg, rdata, code, NULL, NULL, NULL);
-	return;
+	goto on_return;
     }
 
     PJ_LOG(3,(THIS_FILE, "Call to %.*s is being transfered to %.*s",
@@ -3484,7 +3532,7 @@
 	if (status != PJ_SUCCESS) {
 	    pjsua_perror(THIS_FILE, "Unable to create 2xx response to REFER",
 			 status);
-	    return;
+	    goto on_return;
 	}
 
 	/* Add Refer-Sub header */
@@ -3500,7 +3548,7 @@
 	if (status != PJ_SUCCESS) {
 	    pjsua_perror(THIS_FILE, "Unable to create 2xx response to REFER",
 			 status);
-	    return;
+	    goto on_return;
 	}
 
 	/* Don't have subscription */
@@ -3522,7 +3570,7 @@
 	if (status != PJ_SUCCESS) {
 	    pjsua_perror(THIS_FILE, "Unable to create xfer uas", status);
 	    pjsip_dlg_respond( inv->dlg, rdata, 500, NULL, NULL, NULL);
-	    return;
+	    goto on_return;
 	}
 
 	/* If there's Refer-Sub header and the value is "true", send back
@@ -3549,14 +3597,14 @@
 	if (status != PJ_SUCCESS) {
 	    pjsua_perror(THIS_FILE, "Unable to create NOTIFY to REFER", 
 			 status);
-	    return;
+	    goto on_return;
 	}
 
 	/* Send initial NOTIFY request */
 	status = pjsip_xfer_send_request( sub, tdata);
 	if (status != PJ_SUCCESS) {
 	    pjsua_perror(THIS_FILE, "Unable to send NOTIFY to REFER", status);
-	    return;
+	    goto on_return;
 	}
     }
 
@@ -3594,16 +3642,16 @@
 	    if (status != PJ_SUCCESS) {
 		pjsua_perror(THIS_FILE, "Unable to create NOTIFY to REFER", 
 			      status);
-		return;
+		goto on_return;
 	    }
 	    status = pjsip_xfer_send_request(sub, tdata);
 	    if (status != PJ_SUCCESS) {
 		pjsua_perror(THIS_FILE, "Unable to send NOTIFY to REFER", 
 			      status);
-		return;
+		goto on_return;
 	    }
 	}
-	return;
+	goto on_return;
     }
 
     if (sub) {
@@ -3617,6 +3665,9 @@
 	pjsip_evsub_set_mod_data(sub, pjsua_var.mod.id, 
 				 &pjsua_var.calls[new_call]);
     }
+
+on_return:
+    pj_log_pop_indent();
 }
 
 
@@ -3633,14 +3684,13 @@
 {
     pjsua_call *call;
 
+    pj_log_push_indent();
     PJSUA_LOCK();
 
     call = (pjsua_call*) inv->dlg->mod_data[pjsua_var.mod.id];
 
-    if (call == NULL) {
-	PJSUA_UNLOCK();
-	return;
-    }
+    if (call == NULL)
+	goto on_return;
 
     if (call->inv == NULL) {
 	/* Shouldn't happen. It happens only when we don't terminate the
@@ -3648,8 +3698,7 @@
 	 * transfered (and this call has been disconnected), and we
 	 * receive another REFER for this call.
 	 */
-	PJSUA_UNLOCK();
-	return;
+	goto on_return;
     }
 
     /* Notify application callback first */
@@ -3694,8 +3743,7 @@
 
 	    pjsip_dlg_respond( inv->dlg, rdata, PJSIP_SC_NOT_ACCEPTABLE_HERE, 
 			       NULL, &hdr_list, NULL );
-	    PJSUA_UNLOCK();
-	    return;
+	    goto on_return;
 	}
 
 	/* Respond with 200 first, so that remote doesn't retransmit in case
@@ -3730,8 +3778,9 @@
 	}
     }
 
-
+on_return:
     PJSUA_UNLOCK();
+    pj_log_pop_indent();
 }
 
 
@@ -3743,6 +3792,7 @@
     pjsua_call *call = (pjsua_call*) inv->dlg->mod_data[pjsua_var.mod.id];
     pjsip_redirect_op op;
 
+    pj_log_push_indent();
     PJSUA_LOCK();
 
     if (pjsua_var.ua_cfg.cb.on_call_redirected) {
@@ -3757,6 +3807,7 @@
     }
 
     PJSUA_UNLOCK();
+    pj_log_pop_indent();
 
     return op;
 }
diff --git a/pjsip/src/pjsua-lib/pjsua_core.c b/pjsip/src/pjsua-lib/pjsua_core.c
index 7c2929f..9e5a56f 100644
--- a/pjsip/src/pjsua-lib/pjsua_core.c
+++ b/pjsip/src/pjsua-lib/pjsua_core.c
@@ -83,7 +83,8 @@
     cfg->console_level = 4;
     cfg->decor = PJ_LOG_HAS_SENDER | PJ_LOG_HAS_TIME | 
 		 PJ_LOG_HAS_MICRO_SEC | PJ_LOG_HAS_NEWLINE |
-		 PJ_LOG_HAS_SPACE;
+		 PJ_LOG_HAS_SPACE | PJ_LOG_HAS_THREAD_SWC |
+		 PJ_LOG_HAS_INDENT;
 #if defined(PJ_WIN32) && PJ_WIN32 != 0
     cfg->decor |= PJ_LOG_HAS_COLOR;
 #endif
@@ -628,6 +629,8 @@
     status = pj_init();
     PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
 
+    pj_log_push_indent();
+
     /* Init random seed */
     init_random_seed();
 
@@ -659,6 +662,7 @@
     status = pj_mutex_create_recursive(pjsua_var.pool, "pjsua", 
 				       &pjsua_var.mutex);
     if (status != PJ_SUCCESS) {
+	pj_log_pop_indent();
 	pjsua_perror(THIS_FILE, "Unable to create mutex", status);
 	return status;
     }
@@ -672,7 +676,7 @@
     PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
 
     pjsua_set_state(PJSUA_STATE_CREATED);
-
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 }
 
@@ -693,6 +697,7 @@
     unsigned i;
     pj_status_t status;
 
+    pj_log_push_indent();
 
     /* Create default configurations when the config is not supplied */
 
@@ -710,7 +715,7 @@
     if (log_cfg) {
 	status = pjsua_reconfigure_logging(log_cfg);
 	if (status != PJ_SUCCESS)
-	    return status;
+	    goto on_error;
     }
 
 #if defined(PJ_IPHONE_OS_HAS_MULTITASKING_SUPPORT) && \
@@ -734,7 +739,7 @@
 					     &pjsua_var.resolver);
 	if (status != PJ_SUCCESS) {
 	    pjsua_perror(THIS_FILE, "Error creating resolver", status);
-	    return status;
+	    goto on_error;
 	}
 
 	/* Configure nameserver for the DNS resolver */
@@ -743,14 +748,14 @@
 					ua_cfg->nameserver, NULL);
 	if (status != PJ_SUCCESS) {
 	    pjsua_perror(THIS_FILE, "Error setting nameserver", status);
-	    return status;
+	    goto on_error;
 	}
 
 	/* Set this DNS resolver to be used by the SIP resolver */
 	status = pjsip_endpt_set_resolver(pjsua_var.endpt, pjsua_var.resolver);
 	if (status != PJ_SUCCESS) {
 	    pjsua_perror(THIS_FILE, "Error setting DNS resolver", status);
-	    return status;
+	    goto on_error;
 	}
 
 	/* Print nameservers */
@@ -832,7 +837,8 @@
 	if (r == NULL) {
 	    pjsua_perror(THIS_FILE, "Invalid outbound proxy URI",
 			 PJSIP_EINVALIDURI);
-	    return PJSIP_EINVALIDURI;
+	    status = PJSIP_EINVALIDURI;
+	    goto on_error;
 	}
 
 	if (pjsua_var.ua_cfg.force_lr) {
@@ -840,7 +846,8 @@
 	    if (!PJSIP_URI_SCHEME_IS_SIP(r->name_addr.uri) &&
 		!PJSIP_URI_SCHEME_IS_SIP(r->name_addr.uri))
 	    {
-		return PJSIP_EINVALIDSCHEME;
+		status = PJSIP_EINVALIDSCHEME;
+		goto on_error;
 	    }
 	    sip_url = (pjsip_sip_uri*)r->name_addr.uri;
 	    sip_url->lr_param = 1;
@@ -871,7 +878,7 @@
     status = resolve_stun_server(PJ_FALSE);
     if (status != PJ_SUCCESS && status != PJ_EPENDING) {
 	pjsua_perror(THIS_FILE, "Error resolving STUN server", status);
-	return status;
+	goto on_error;
     }
 
     /* Initialize PJSUA media subsystem */
@@ -941,11 +948,12 @@
 			 pj_get_version(), pj_get_sys_info()->info.ptr));
 
     pjsua_set_state(PJSUA_STATE_INIT);
-
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 
 on_error:
     pjsua_destroy();
+    pj_log_pop_indent();
     return status;
 }
 
@@ -1322,6 +1330,8 @@
 
 	PJ_LOG(4,(THIS_FILE, "Shutting down..."));
 
+	pj_log_push_indent();
+
 	/* Terminate all calls. */
 	pjsua_call_hangup_all();
 
@@ -1477,6 +1487,8 @@
 	    pjsua_var.log_file = NULL;
 	}
 
+	pj_log_pop_indent();
+
 	/* Shutdown PJLIB */
 	pj_shutdown();
     }
@@ -1523,22 +1535,25 @@
     pj_status_t status;
 
     pjsua_set_state(PJSUA_STATE_STARTING);
+    pj_log_push_indent();
 
     status = pjsua_call_subsys_start();
     if (status != PJ_SUCCESS)
-	return status;
+	goto on_return;
 
     status = pjsua_media_subsys_start();
     if (status != PJ_SUCCESS)
-	return status;
+	goto on_return;
 
     status = pjsua_pres_start();
     if (status != PJ_SUCCESS)
-	return status;
+	goto on_return;
 
     pjsua_set_state(PJSUA_STATE_RUNNING);
 
-    return PJ_SUCCESS;
+on_return:
+    pj_log_pop_indent();
+    return status;
 }
 
 
diff --git a/pjsip/src/pjsua-lib/pjsua_media.c b/pjsip/src/pjsua-lib/pjsua_media.c
index 0f56dd0..ff5a0ef 100644
--- a/pjsip/src/pjsua-lib/pjsua_media.c
+++ b/pjsip/src/pjsua-lib/pjsua_media.c
@@ -72,6 +72,8 @@
     /* To suppress warning about unused var when all codecs are disabled */
     PJ_UNUSED_ARG(codec_id);
 
+    pj_log_push_indent();
+
     /* Specify which audio device settings are save-able */
     pjsua_var.aud_svmask = 0xFFFFFFFF;
     /* These are not-settable */
@@ -110,7 +112,7 @@
 	pjsua_perror(THIS_FILE, 
 		     "Media stack initialization has returned error", 
 		     status);
-	return status;
+	goto on_error;
     }
 
     /*
@@ -137,7 +139,7 @@
 	    if (status != PJ_SUCCESS) {
 		pjsua_perror(THIS_FILE, "Error querying audio device info",
 			     status);
-		return status;
+		goto on_error;
 	    }
 	    
 	    /* Collect extended formats supported by this audio device */
@@ -174,7 +176,7 @@
                                                  &codec_cfg);
     if (status != PJ_SUCCESS) {
 	PJ_PERROR(1,(THIS_FILE, status, "Error registering codecs"));
-	return status;
+	goto on_error;
     }
 
     /* Set speex/16000 to higher priority*/
@@ -228,7 +230,7 @@
     if (status != PJ_SUCCESS) {
 	pjsua_perror(THIS_FILE, "Error creating conference bridge", 
 		     status);
-	return status;
+	goto on_error;
     }
 
     /* Are we using the audio switchboard (a.k.a APS-Direct)? */
@@ -250,7 +252,7 @@
     if (status != PJ_SUCCESS) {
 	pjsua_perror(THIS_FILE, "Error initializing SRTP library", 
 		     status);
-	return status;
+	goto on_error;
     }
 #endif
 
@@ -258,10 +260,15 @@
 #if PJMEDIA_HAS_VIDEO
     status = pjsua_vid_subsys_init();
     if (status != PJ_SUCCESS)
-	return status;
+	goto on_error;
 #endif
 
+    pj_log_pop_indent();
     return PJ_SUCCESS;
+
+on_error:
+    pj_log_pop_indent();
+    return status;
 }
 
 
@@ -344,6 +351,8 @@
 {
     pj_status_t status;
 
+    pj_log_push_indent();
+
 #if DISABLED_FOR_TICKET_1185
     /* Create media for calls, if none is specified */
     if (pjsua_var.calls[0].media[0].tp == NULL) {
@@ -354,8 +363,10 @@
 	transport_cfg.port = DEFAULT_RTP_PORT;
 
 	status = pjsua_media_transports_create(&transport_cfg);
-	if (status != PJ_SUCCESS)
+	if (status != PJ_SUCCESS) {
+	    pj_log_pop_indent();
 	    return status;
+	}
     }
 #endif
 
@@ -365,8 +376,10 @@
     /* Video */
 #if PJMEDIA_HAS_VIDEO
     status = pjsua_vid_subsys_start();
-    if (status != PJ_SUCCESS)
+    if (status != PJ_SUCCESS) {
+	pj_log_pop_indent();
 	return status;
+    }
 #endif
 
     /* Perform NAT detection */
@@ -375,6 +388,7 @@
 	PJ_PERROR(1,(THIS_FILE, status, "NAT type detection failed"));
     }
 
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 }
 
@@ -387,6 +401,7 @@
     unsigned i;
 
     PJ_LOG(4,(THIS_FILE, "Shutting down media.."));
+    pj_log_push_indent();
 
     close_snd_dev();
 
@@ -451,6 +466,8 @@
     /* Reset RTP port */
     next_rtp_port = 0;
 
+    pj_log_pop_indent();
+
     return PJ_SUCCESS;
 }
 
@@ -1363,13 +1380,17 @@
     if (pjsua_get_state() != PJSUA_STATE_RUNNING)
 	return PJ_EBUSY;
 
+    PJ_LOG(4,(THIS_FILE, "Call %d: initializing media..", call_id));
+    pj_log_push_indent();
+
 #if DISABLED_FOR_TICKET_1185
     /* Return error if media transport has not been created yet
      * (e.g. application is starting)
      */
     for (i=0; i<call->med_cnt; ++i) {
 	if (call->media[i].tp == NULL) {
-	    return PJ_EBUSY;
+	    status = PJ_EBUSY;
+	    goto on_error;
 	}
     }
 #endif
@@ -1385,7 +1406,8 @@
 	    /* Expecting audio in the offer */
 	    if (sip_err_code) *sip_err_code = PJSIP_SC_NOT_ACCEPTABLE_HERE;
 	    pjsua_media_channel_deinit(call_id);
-	    return PJSIP_ERRNO_FROM_SIP_STATUS(PJSIP_SC_NOT_ACCEPTABLE_HERE);
+	    status = PJSIP_ERRNO_FROM_SIP_STATUS(PJSIP_SC_NOT_ACCEPTABLE_HERE);
+	    goto on_error;
 	}
 
 #if PJMEDIA_HAS_VIDEO
@@ -1425,7 +1447,8 @@
 	/* Expecting at least one media */
 	if (sip_err_code) *sip_err_code = PJSIP_SC_NOT_ACCEPTABLE_HERE;
 	pjsua_media_channel_deinit(call_id);
-	return PJSIP_ERRNO_FROM_SIP_STATUS(PJSIP_SC_NOT_ACCEPTABLE_HERE);
+	status = PJSIP_ERRNO_FROM_SIP_STATUS(PJSIP_SC_NOT_ACCEPTABLE_HERE);
+	goto on_error;
     }
 
     /* Initialize each media line */
@@ -1462,7 +1485,7 @@
 					   security_level, sip_err_code);
 	    if (status != PJ_SUCCESS) {
 		pjsua_media_channel_deinit(call_id);
-		return status;
+		goto on_error;
 	    }
 	} else {
 	    /* By convention, the media is disabled if transport is NULL 
@@ -1500,14 +1523,19 @@
 	    if (status != PJ_SUCCESS) {
 		if (sip_err_code) *sip_err_code = PJSIP_SC_NOT_ACCEPTABLE;
 		pjsua_media_channel_deinit(call_id);
-		return status;
+		goto on_error;
 	    }
 
 	    call_med->tp_st = PJSUA_MED_TP_INIT;
 	}
     }
 
+    pj_log_pop_indent();
     return PJ_SUCCESS;
+
+on_error:
+    pj_log_pop_indent();
+    return status;
 }
 
 pj_status_t pjsua_media_channel_create_sdp(pjsua_call_id call_id, 
@@ -1790,6 +1818,8 @@
     pjsua_call *call = &pjsua_var.calls[call_id];
     unsigned mi;
 
+    pj_log_push_indent();
+
     for (mi=0; mi<call->med_cnt; ++mi) {
 	pjsua_call_media *call_med = &call->media[mi];
 
@@ -1838,6 +1868,8 @@
 			     call_id, mi));
 	call_med->state = PJSUA_CALL_MEDIA_NONE;
     }
+
+    pj_log_pop_indent();
 }
 
 pj_status_t pjsua_media_channel_deinit(pjsua_call_id call_id)
@@ -1845,6 +1877,9 @@
     pjsua_call *call = &pjsua_var.calls[call_id];
     unsigned mi;
 
+    PJ_LOG(4,(THIS_FILE, "Call %d: deinitializing media..", call_id));
+    pj_log_push_indent();
+
     stop_media_session(call_id);
 
     for (mi=0; mi<call->med_cnt; ++mi) {
@@ -1868,6 +1903,7 @@
     }
 
     check_snd_dev_idle();
+    pj_log_pop_indent();
 
     return PJ_SUCCESS;
 }
@@ -1881,6 +1917,8 @@
 {
     PJ_UNUSED_ARG(strm);
 
+    pj_log_push_indent();
+
     /* For discussions about call mutex protection related to this 
      * callback, please see ticket #460:
      *	http://trac.pjsip.org/repos/ticket/460#comment:4
@@ -1891,6 +1929,8 @@
 	call_id = (pjsua_call_id)(long)user_data;
 	pjsua_var.ua_cfg.cb.on_dtmf_digit(call_id, digit);
     }
+
+    pj_log_pop_indent();
 }
 
 
@@ -1904,11 +1944,14 @@
     pjmedia_port *media_port;
     unsigned strm_idx = call_med->idx;
     pj_status_t status;
+
+    PJ_LOG(4,(THIS_FILE,"Audio channel update.."));
+    pj_log_push_indent();
     
     status = pjmedia_stream_info_from_sdp(si, tmp_pool, pjsua_var.med_endpt,
                                           local_sdp, remote_sdp, strm_idx);
     if (status != PJ_SUCCESS)
-	return status;
+	goto on_return;
 
     /* Check if no media is active */
     if (si->dir == PJMEDIA_DIR_NONE) {
@@ -1926,7 +1969,7 @@
 					       tmp_pool, local_sdp,
 					       remote_sdp, strm_idx);
 	if (status != PJ_SUCCESS)
-	    return status;
+	    goto on_return;
 
 	call_med->tp_st = PJSUA_MED_TP_RUNNING;
 
@@ -1991,13 +2034,13 @@
 				       call_med->tp, NULL,
 				       &call_med->strm.a.stream);
 	if (status != PJ_SUCCESS) {
-	    return status;
+	    goto on_return;
 	}
 
 	/* Start stream */
 	status = pjmedia_stream_start(call_med->strm.a.stream);
 	if (status != PJ_SUCCESS) {
-	    return status;
+	    goto on_return;
 	}
 
 	/* If DTMF callback is installed by application, install our
@@ -2045,7 +2088,7 @@
 					    (unsigned*)
 					    &call_med->strm.a.conf_slot);
 	    if (status != PJ_SUCCESS) {
-		return status;
+		goto on_return;
 	    }
 	}
 
@@ -2092,10 +2135,12 @@
 			       dir);
 	if (len > 0)
 	    info_len += len;
-	PJ_LOG(4,(THIS_FILE,"Media updates%s", info));
+	PJ_LOG(4,(THIS_FILE,"Audio updated%s", info));
     }
 
-    return PJ_SUCCESS;
+on_return:
+    pj_log_pop_indent();
+    return status;
 }
 
 pj_status_t pjsua_media_channel_update(pjsua_call_id call_id,
@@ -2120,6 +2165,9 @@
     if (pjsua_get_state() != PJSUA_STATE_RUNNING)
 	return PJ_EBUSY;
 
+    PJ_LOG(4,(THIS_FILE, "Call %d: updating media..", call_id));
+    pj_log_push_indent();
+
     /* Destroy existing media session, if any. */
     stop_media_session(call->index);
 
@@ -2182,7 +2230,8 @@
 	    /* Something is wrong */
 	    PJ_LOG(1,(THIS_FILE, "Error updating media for call %d: "
 		      "invalid media index %d in SDP", call_id, mi));
-	    return PJMEDIA_SDP_EINSDP;
+	    status = PJMEDIA_SDP_EINSDP;
+	    goto on_error;
 #endif
 	}
 
@@ -2235,18 +2284,23 @@
 	
 	status = pjmedia_sdp_neg_set_remote_offer(tmp_pool, neg, remote_sdp);
 	if (status != PJ_SUCCESS)
-	    return status;
+	    goto on_error;
 
 	status = pjmedia_sdp_neg_set_local_answer(tmp_pool, neg, local_sdp);
 	if (status != PJ_SUCCESS)
-	    return status;
+	    goto on_error;
 
 	status = pjmedia_sdp_neg_negotiate(tmp_pool, neg, 0);
 	if (status != PJ_SUCCESS)
-	    return status;
+	    goto on_error;
     }
 
+    pj_log_pop_indent();
     return (got_media? PJ_SUCCESS : PJMEDIA_SDPNEG_ENOMEDIA);
+
+on_error:
+    pj_log_pop_indent();
+    return status;
 }
 
 /*
@@ -2357,6 +2411,13 @@
 PJ_DEF(pj_status_t) pjsua_conf_connect( pjsua_conf_port_id source,
 					pjsua_conf_port_id sink)
 {
+    pj_status_t status = PJ_SUCCESS;
+
+    PJ_LOG(4,(THIS_FILE, "%s connect: %d --> %d",
+	      (pjsua_var.is_mswitch ? "Switch" : "Conf"),
+	      source, sink));
+    pj_log_push_indent();
+
     /* If sound device idle timer is active, cancel it first. */
     PJSUA_LOCK();
     if (pjsua_var.snd_idle_timer.id) {
@@ -2377,7 +2438,6 @@
 	pjmedia_conf_port_info peer_info;
 	unsigned peer_id;
 	pj_bool_t need_reopen = PJ_FALSE;
-	pj_status_t status;
 
 	peer_id = (source!=0)? source : sink;
 	status = pjmedia_conf_get_port_info(pjsua_var.mconf, peer_id, 
@@ -2419,7 +2479,7 @@
 		if (status != PJ_SUCCESS) {
 		    pjsua_perror(THIS_FILE, "Error opening sound device",
 				 status);
-		    return status;
+		    goto on_return;
 		}
 
 		/* And peer format */
@@ -2433,7 +2493,7 @@
 		if (status != PJ_SUCCESS) {
 		    pjsua_perror(THIS_FILE, "Error opening sound device",
 				 status);
-		    return status;
+		    goto on_return;
 		}
 	    } else {
 		/* Null-audio */
@@ -2442,7 +2502,7 @@
 		if (status != PJ_SUCCESS) {
 		    pjsua_perror(THIS_FILE, "Error opening sound device",
 				 status);
-		    return status;
+		    goto on_return;
 		}
 	    }
 	} else if (pjsua_var.no_snd) {
@@ -2467,7 +2527,7 @@
 	    status = pjsua_set_snd_dev(pjsua_var.cap_dev, pjsua_var.play_dev);
 	    if (status != PJ_SUCCESS) {
 		pjsua_perror(THIS_FILE, "Error opening sound device", status);
-		return status;
+		goto on_return;
 	    }
 	} else if (pjsua_var.no_snd && !pjsua_var.snd_is_on) {
 	    pjsua_var.snd_is_on = PJ_TRUE;
@@ -2478,7 +2538,11 @@
 	}
     }
 
-    return pjmedia_conf_connect_port(pjsua_var.mconf, source, sink, 0);
+    status = pjmedia_conf_connect_port(pjsua_var.mconf, source, sink, 0);
+
+on_return:
+    pj_log_pop_indent();
+    return status;
 }
 
 
@@ -2490,9 +2554,15 @@
 {
     pj_status_t status;
 
+    PJ_LOG(4,(THIS_FILE, "%s disconnect: %d -x- %d",
+	      (pjsua_var.is_mswitch ? "Switch" : "Conf"),
+	      source, sink));
+    pj_log_push_indent();
+
     status = pjmedia_conf_disconnect_port(pjsua_var.mconf, source, sink);
     check_snd_dev_idle();
 
+    pj_log_pop_indent();
     return status;
 }
 
@@ -2558,13 +2628,17 @@
 {
     unsigned slot, file_id;
     char path[PJ_MAXPATH];
-    pj_pool_t *pool;
+    pj_pool_t *pool = NULL;
     pjmedia_port *port;
-    pj_status_t status;
+    pj_status_t status = PJ_SUCCESS;
 
     if (pjsua_var.player_cnt >= PJ_ARRAY_SIZE(pjsua_var.player))
 	return PJ_ETOOMANY;
 
+    PJ_LOG(4,(THIS_FILE, "Creating file player: %.*s..",
+	      (int)filename->slen, filename->ptr));
+    pj_log_push_indent();
+
     PJSUA_LOCK();
 
     for (file_id=0; file_id<PJ_ARRAY_SIZE(pjsua_var.player); ++file_id) {
@@ -2574,9 +2648,9 @@
 
     if (file_id == PJ_ARRAY_SIZE(pjsua_var.player)) {
 	/* This is unexpected */
-	PJSUA_UNLOCK();
 	pj_assert(0);
-	return PJ_EBUG;
+	status = PJ_EBUG;
+	goto on_error;
     }
 
     pj_memcpy(path, filename->ptr, filename->slen);
@@ -2584,8 +2658,8 @@
 
     pool = pjsua_pool_create(get_basename(path, filename->slen), 1000, 1000);
     if (!pool) {
-	PJSUA_UNLOCK();
-	return PJ_ENOMEM;
+	status = PJ_ENOMEM;
+	goto on_error;
     }
 
     status = pjmedia_wav_player_port_create(
@@ -2595,21 +2669,17 @@
 				    pjsua_var.media_cfg.clock_rate, 
 				    options, 0, &port);
     if (status != PJ_SUCCESS) {
-	PJSUA_UNLOCK();
 	pjsua_perror(THIS_FILE, "Unable to open file for playback", status);
-	pj_pool_release(pool);
-	return status;
+	goto on_error;
     }
 
     status = pjmedia_conf_add_port(pjsua_var.mconf, pool, 
 				   port, filename, &slot);
     if (status != PJ_SUCCESS) {
 	pjmedia_port_destroy(port);
-	PJSUA_UNLOCK();
 	pjsua_perror(THIS_FILE, "Unable to add file to conference bridge", 
 		     status);
-	pj_pool_release(pool);
-	return status;
+	goto on_error;
     }
 
     pjsua_var.player[file_id].type = 0;
@@ -2622,7 +2692,17 @@
     ++pjsua_var.player_cnt;
 
     PJSUA_UNLOCK();
+
+    PJ_LOG(4,(THIS_FILE, "Player created, id=%d, slot=%d", file_id, slot));
+
+    pj_log_pop_indent();
     return PJ_SUCCESS;
+
+on_error:
+    PJSUA_UNLOCK();
+    if (pool) pj_pool_release(pool);
+    pj_log_pop_indent();
+    return status;
 }
 
 
@@ -2637,13 +2717,16 @@
 					   pjsua_player_id *p_id)
 {
     unsigned slot, file_id, ptime;
-    pj_pool_t *pool;
+    pj_pool_t *pool = NULL;
     pjmedia_port *port;
-    pj_status_t status;
+    pj_status_t status = PJ_SUCCESS;
 
     if (pjsua_var.player_cnt >= PJ_ARRAY_SIZE(pjsua_var.player))
 	return PJ_ETOOMANY;
 
+    PJ_LOG(4,(THIS_FILE, "Creating playlist with %d file(s)..", file_count));
+    pj_log_push_indent();
+
     PJSUA_LOCK();
 
     for (file_id=0; file_id<PJ_ARRAY_SIZE(pjsua_var.player); ++file_id) {
@@ -2653,9 +2736,9 @@
 
     if (file_id == PJ_ARRAY_SIZE(pjsua_var.player)) {
 	/* This is unexpected */
-	PJSUA_UNLOCK();
 	pj_assert(0);
-	return PJ_EBUG;
+	status = PJ_EBUG;
+	goto on_error;
     }
 
 
@@ -2664,28 +2747,24 @@
 
     pool = pjsua_pool_create("playlist", 1000, 1000);
     if (!pool) {
-	PJSUA_UNLOCK();
-	return PJ_ENOMEM;
+	status = PJ_ENOMEM;
+	goto on_error;
     }
 
     status = pjmedia_wav_playlist_create(pool, label, 
 					 file_names, file_count,
 					 ptime, options, 0, &port);
     if (status != PJ_SUCCESS) {
-	PJSUA_UNLOCK();
 	pjsua_perror(THIS_FILE, "Unable to create playlist", status);
-	pj_pool_release(pool);
-	return status;
+	goto on_error;
     }
 
     status = pjmedia_conf_add_port(pjsua_var.mconf, pool, 
 				   port, &port->info.name, &slot);
     if (status != PJ_SUCCESS) {
 	pjmedia_port_destroy(port);
-	PJSUA_UNLOCK();
 	pjsua_perror(THIS_FILE, "Unable to add port", status);
-	pj_pool_release(pool);
-	return status;
+	goto on_error;
     }
 
     pjsua_var.player[file_id].type = 1;
@@ -2698,8 +2777,19 @@
     ++pjsua_var.player_cnt;
 
     PJSUA_UNLOCK();
+
+    PJ_LOG(4,(THIS_FILE, "Playlist created, id=%d, slot=%d", file_id, slot));
+
+    pj_log_pop_indent();
+
     return PJ_SUCCESS;
 
+on_error:
+    PJSUA_UNLOCK();
+    if (pool) pj_pool_release(pool);
+    pj_log_pop_indent();
+
+    return status;
 }
 
 
@@ -2752,6 +2842,9 @@
     PJ_ASSERT_RETURN(id>=0&&id<(int)PJ_ARRAY_SIZE(pjsua_var.player), PJ_EINVAL);
     PJ_ASSERT_RETURN(pjsua_var.player[id].port != NULL, PJ_EINVAL);
 
+    PJ_LOG(4,(THIS_FILE, "Destroying player %d..", id));
+    pj_log_push_indent();
+
     PJSUA_LOCK();
 
     if (pjsua_var.player[id].port) {
@@ -2765,6 +2858,7 @@
     }
 
     PJSUA_UNLOCK();
+    pj_log_pop_indent();
 
     return PJ_SUCCESS;
 }
@@ -2795,9 +2889,9 @@
     char path[PJ_MAXPATH];
     pj_str_t ext;
     int file_format;
-    pj_pool_t *pool;
+    pj_pool_t *pool = NULL;
     pjmedia_port *port;
-    pj_status_t status;
+    pj_status_t status = PJ_SUCCESS;
 
     /* Filename must present */
     PJ_ASSERT_RETURN(filename != NULL, PJ_EINVAL);
@@ -2808,8 +2902,14 @@
     /* Don't support encoding type at present */
     PJ_ASSERT_RETURN(enc_type == 0, PJ_EINVAL);
 
-    if (pjsua_var.rec_cnt >= PJ_ARRAY_SIZE(pjsua_var.recorder))
+    PJ_LOG(4,(THIS_FILE, "Creating recorder %.*s..",
+	      (int)filename->slen, filename->ptr));
+    pj_log_push_indent();
+
+    if (pjsua_var.rec_cnt >= PJ_ARRAY_SIZE(pjsua_var.recorder)) {
+	pj_log_pop_indent();
 	return PJ_ETOOMANY;
+    }
 
     /* Determine the file format */
     ext.ptr = filename->ptr + filename->slen - 4;
@@ -2823,6 +2923,7 @@
 	PJ_LOG(1,(THIS_FILE, "pjsua_recorder_create() error: unable to "
 			     "determine file format for %.*s",
 			     (int)filename->slen, filename->ptr));
+	pj_log_pop_indent();
 	return PJ_ENOTSUP;
     }
 
@@ -2835,9 +2936,9 @@
 
     if (file_id == PJ_ARRAY_SIZE(pjsua_var.recorder)) {
 	/* This is unexpected */
-	PJSUA_UNLOCK();
 	pj_assert(0);
-	return PJ_EBUG;
+	status = PJ_EBUG;
+	goto on_return;
     }
 
     pj_memcpy(path, filename->ptr, filename->slen);
@@ -2845,8 +2946,8 @@
 
     pool = pjsua_pool_create(get_basename(path, filename->slen), 1000, 1000);
     if (!pool) {
-	PJSUA_UNLOCK();
-	return PJ_ENOMEM;
+	status = PJ_ENOMEM;
+	goto on_return;
     }
 
     if (file_format == FMT_WAV) {
@@ -2863,19 +2964,15 @@
     }
 
     if (status != PJ_SUCCESS) {
-	PJSUA_UNLOCK();
 	pjsua_perror(THIS_FILE, "Unable to open file for recording", status);
-	pj_pool_release(pool);
-	return status;
+	goto on_return;
     }
 
     status = pjmedia_conf_add_port(pjsua_var.mconf, pool, 
 				   port, filename, &slot);
     if (status != PJ_SUCCESS) {
 	pjmedia_port_destroy(port);
-	PJSUA_UNLOCK();
-	pj_pool_release(pool);
-	return status;
+	goto on_return;
     }
 
     pjsua_var.recorder[file_id].port = port;
@@ -2887,7 +2984,17 @@
     ++pjsua_var.rec_cnt;
 
     PJSUA_UNLOCK();
+
+    PJ_LOG(4,(THIS_FILE, "Recorder created, id=%d, slot=%d", file_id, slot));
+
+    pj_log_pop_indent();
     return PJ_SUCCESS;
+
+on_return:
+    PJSUA_UNLOCK();
+    if (pool) pj_pool_release(pool);
+    pj_log_pop_indent();
+    return status;
 }
 
 
@@ -2927,6 +3034,9 @@
 		     PJ_EINVAL);
     PJ_ASSERT_RETURN(pjsua_var.recorder[id].port != NULL, PJ_EINVAL);
 
+    PJ_LOG(4,(THIS_FILE, "Destroying recorder %d..", id));
+    pj_log_push_indent();
+
     PJSUA_LOCK();
 
     if (pjsua_var.recorder[id].port) {
@@ -2940,6 +3050,7 @@
     }
 
     PJSUA_UNLOCK();
+    pj_log_pop_indent();
 
     return PJ_SUCCESS;
 }
@@ -3147,11 +3258,12 @@
 	      param->base.clock_rate, param->base.channel_count,
 	      param->base.samples_per_frame / param->base.channel_count *
 	      1000 / param->base.clock_rate));
+    pj_log_push_indent();
 
     status = pjmedia_snd_port_create2( pjsua_var.snd_pool, 
 				       param, &pjsua_var.snd_port);
     if (status != PJ_SUCCESS)
-	return status;
+	goto on_error;
 
     /* Get the port0 of the conference bridge. */
     conf_port = pjmedia_conf_get_master_port(pjsua_var.mconf);
@@ -3188,7 +3300,7 @@
 		       "Error creating resample port: %s", 
 		       errmsg));
 	    close_snd_dev();
-	    return status;
+	    goto on_error;
 	} 
 	    
 	conf_port = resample_port;
@@ -3217,7 +3329,7 @@
 			        "sound device", status); 	 
 	pjmedia_snd_port_destroy(pjsua_var.snd_port); 	 
 	pjsua_var.snd_port = NULL; 	 
-	return status; 	 
+	goto on_error;
     }
 
     /* Save the device IDs */
@@ -3255,7 +3367,7 @@
 
 	/* Any error is not major, let it through */
 	status = PJ_SUCCESS;
-    };
+    }
 
     /* If this is the first time the audio device is open, retrieve some
      * settings from the device (such as volume settings) so that the
@@ -3266,13 +3378,20 @@
 	++pjsua_var.aud_open_cnt;
     }
 
+    pj_log_pop_indent();
     return PJ_SUCCESS;
+
+on_error:
+    pj_log_pop_indent();
+    return status;
 }
 
 
 /* Close existing sound device */
 static void close_snd_dev(void)
 {
+    pj_log_push_indent();
+
     /* Notify app */
     if (pjsua_var.snd_is_on && pjsua_var.ua_cfg.cb.on_snd_dev_operation) {
 	(*pjsua_var.ua_cfg.cb.on_snd_dev_operation)(0);
@@ -3312,6 +3431,8 @@
 	pj_pool_release(pjsua_var.snd_pool);
     pjsua_var.snd_pool = NULL;
     pjsua_var.snd_is_on = PJ_FALSE;
+
+    pj_log_pop_indent();
 }
 
 
@@ -3327,9 +3448,15 @@
     unsigned i;
     pj_status_t status = -1;
 
+    PJ_LOG(4,(THIS_FILE, "Set sound device: capture=%d, playback=%d",
+	      capture_dev, playback_dev));
+    pj_log_push_indent();
+
     /* Null-sound */
     if (capture_dev==NULL_SND_DEV_ID && playback_dev==NULL_SND_DEV_ID) {
-	return pjsua_set_null_snd_dev();
+	status = pjsua_set_null_snd_dev();
+	pj_log_pop_indent();
+	return status;
     }
 
     /* Set default clock rate */
@@ -3360,7 +3487,7 @@
 				  alt_cr[i], pjsua_var.media_cfg.channel_count,
 				  samples_per_frame, 16);
 	if (status != PJ_SUCCESS)
-	    return status;
+	    goto on_error;
 
 	/* Open! */
 	param.options = 0;
@@ -3371,13 +3498,18 @@
 
     if (status != PJ_SUCCESS) {
 	pjsua_perror(THIS_FILE, "Unable to open sound device", status);
-	return status;
+	goto on_error;
     }
 
     pjsua_var.no_snd = PJ_FALSE;
     pjsua_var.snd_is_on = PJ_TRUE;
 
+    pj_log_pop_indent();
     return PJ_SUCCESS;
+
+on_error:
+    pj_log_pop_indent();
+    return status;
 }
 
 
@@ -3408,6 +3540,10 @@
     pjmedia_port *conf_port;
     pj_status_t status;
 
+    PJ_LOG(4,(THIS_FILE, "Setting null sound device.."));
+    pj_log_push_indent();
+
+
     /* Close existing sound device */
     close_snd_dev();
 
@@ -3434,6 +3570,7 @@
     if (status != PJ_SUCCESS) {
 	pjsua_perror(THIS_FILE, "Unable to create null sound device",
 		     status);
+	pj_log_pop_indent();
 	return status;
     }
 
@@ -3447,6 +3584,7 @@
     pjsua_var.no_snd = PJ_FALSE;
     pjsua_var.snd_is_on = PJ_TRUE;
 
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 }
 
diff --git a/pjsip/src/pjsua-lib/pjsua_pres.c b/pjsip/src/pjsua-lib/pjsua_pres.c
index 2428a2f..88ea317 100644
--- a/pjsip/src/pjsua-lib/pjsua_pres.c
+++ b/pjsip/src/pjsua-lib/pjsua_pres.c
@@ -389,6 +389,10 @@
 			PJ_ARRAY_SIZE(pjsua_var.buddy),
 		     PJ_ETOOMANY);
 
+    PJ_LOG(4,(THIS_FILE, "Adding buddy: %.*s",
+	      (int)cfg->uri.slen, cfg->uri.ptr));
+    pj_log_push_indent();
+
     PJSUA_LOCK();
 
     /* Find empty slot */
@@ -402,6 +406,7 @@
 	PJSUA_UNLOCK();
 	/* This shouldn't happen */
 	pj_assert(!"index < PJ_ARRAY_SIZE(pjsua_var.buddy)");
+	pj_log_pop_indent();
 	return PJ_ETOOMANY;
     }
 
@@ -431,6 +436,7 @@
 	pj_pool_release(buddy->pool);
 	buddy->pool = NULL;
 	PJSUA_UNLOCK();
+	pj_log_pop_indent();
 	return PJSIP_EINVALIDURI;
     }
 
@@ -439,6 +445,7 @@
 	pj_pool_release(buddy->pool);
 	buddy->pool = NULL;
 	PJSUA_UNLOCK();
+	pj_log_pop_indent();
 	return PJSIP_EINVALIDSCHEME;
     }
 
@@ -469,8 +476,11 @@
 
     PJSUA_UNLOCK();
 
+    PJ_LOG(4,(THIS_FILE, "Buddy %d added.", index));
+
     pjsua_buddy_subscribe_pres(index, cfg->subscribe);
 
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 }
 
@@ -495,6 +505,9 @@
     if (status != PJ_SUCCESS)
 	return status;
 
+    PJ_LOG(4,(THIS_FILE, "Buddy %d: deleting..", buddy_id));
+    pj_log_push_indent();
+
     /* Unsubscribe presence */
     pjsua_buddy_subscribe_pres(buddy_id, PJ_FALSE);
 
@@ -518,6 +531,7 @@
     reset_buddy(buddy_id);
 
     unlock_buddy(&lck);
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 }
 
@@ -537,11 +551,15 @@
     if (status != PJ_SUCCESS)
 	return status;
 
+    PJ_LOG(4,(THIS_FILE, "Buddy %d: unsubscribing presence..", buddy_id));
+    pj_log_push_indent();
+
     lck.buddy->monitor = subscribe;
 
     pjsua_buddy_update_pres(buddy_id);
 
     unlock_buddy(&lck);
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 }
 
@@ -560,16 +578,21 @@
     if (status != PJ_SUCCESS)
 	return status;
 
+    PJ_LOG(4,(THIS_FILE, "Buddy %d: updating presence..", buddy_id));
+    pj_log_push_indent();
+
     /* Is this an unsubscribe request? */
     if (!lck.buddy->monitor) {
 	unsubscribe_buddy_presence(buddy_id);
 	unlock_buddy(&lck);
+	pj_log_pop_indent();
 	return PJ_SUCCESS;
     }
 
     /* Ignore if presence is already active for the buddy */
     if (lck.buddy->sub) {
 	unlock_buddy(&lck);
+	pj_log_pop_indent();
 	return PJ_SUCCESS;
     }
 
@@ -577,7 +600,7 @@
     subscribe_buddy_presence(buddy_id);
 
     unlock_buddy(&lck);
-
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 }
 
@@ -745,6 +768,7 @@
 
 	PJ_LOG(4,(THIS_FILE, "Server subscription to %s is %s",
 		  uapres->remote, pjsip_evsub_get_state_name(sub)));
+	pj_log_push_indent();
 
 	state = pjsip_evsub_get_state(sub);
 
@@ -761,6 +785,7 @@
 	    pjsip_evsub_set_mod_data(sub, pjsua_var.mod.id, NULL);
 	    pj_list_erase(uapres);
 	}
+	pj_log_pop_indent();
     }
 
     PJSUA_UNLOCK();
@@ -806,6 +831,7 @@
 
     PJ_LOG(4,(THIS_FILE, "Creating server subscription, using account %d",
 	      acc_id));
+    pj_log_push_indent();
     
     /* Create suitable Contact header */
     if (acc->contact.slen) {
@@ -819,6 +845,7 @@
 	    PJSUA_UNLOCK();
 	    pjsip_endpt_respond_stateless(pjsua_var.endpt, rdata, 400, NULL,
 					  NULL, NULL);
+	    pj_log_pop_indent();
 	    return PJ_TRUE;
 	}
     }
@@ -833,6 +860,7 @@
 	PJSUA_UNLOCK();
 	pjsip_endpt_respond_stateless(pjsua_var.endpt, rdata, 400, NULL,
 				      NULL, NULL);
+	pj_log_pop_indent();
 	return PJ_TRUE;
     }
 
@@ -864,6 +892,7 @@
 	}
 
 	PJSUA_UNLOCK();
+	pj_log_pop_indent();
 	return PJ_TRUE;
     }
 
@@ -934,6 +963,7 @@
 	    pj_list_erase(uapres);
 	    pjsip_pres_terminate(sub, PJ_FALSE);
 	    PJSUA_UNLOCK();
+	    pj_log_pop_indent();
 	    return PJ_FALSE;
 	}
 
@@ -952,6 +982,7 @@
 	pj_list_erase(uapres);
 	pjsip_pres_terminate(sub, PJ_FALSE);
 	PJSUA_UNLOCK();
+	pj_log_pop_indent();
 	return PJ_TRUE;
     }
 
@@ -963,6 +994,7 @@
 	pj_list_erase(uapres);
 	pjsip_pres_terminate(sub, PJ_FALSE);
 	PJSUA_UNLOCK();
+	pj_log_pop_indent();
 	return PJ_FALSE;
     }
 
@@ -975,7 +1007,7 @@
     /* Done: */
 
     PJSUA_UNLOCK();
-
+    pj_log_pop_indent();
     return PJ_TRUE;
 }
 
@@ -1006,6 +1038,10 @@
     /* Check that account is valid */
     PJ_ASSERT_RETURN(pjsua_var.acc[acc_id].valid, PJ_EINVALIDOP);
 
+    PJ_LOG(4,(THIS_FILE, "Acc %d: sending NOTIFY for srv_pres=0x%p..",
+	      acc_id, (int)(long)srv_pres));
+    pj_log_push_indent();
+
     PJSUA_LOCK();
 
     acc = &pjsua_var.acc[acc_id];
@@ -1014,6 +1050,7 @@
     if (pj_list_find_node(&acc->pres_srv_list, srv_pres) == NULL) {
 	/* Subscription has been terminated */
 	PJSUA_UNLOCK();
+	pj_log_pop_indent();
 	return PJ_EINVALIDOP;
     }
 
@@ -1055,6 +1092,7 @@
 	pj_list_erase(srv_pres);
 	pjsip_pres_terminate(srv_pres->sub, PJ_FALSE);
 	PJSUA_UNLOCK();
+	pj_log_pop_indent();
 	return status;
     }
 
@@ -1071,7 +1109,7 @@
     }
 
     PJSUA_UNLOCK();
-
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 }
 
@@ -1131,6 +1169,9 @@
     pjsip_tx_data *tdata;
     pj_status_t status;
 
+    PJ_LOG(5,(THIS_FILE, "Acc %d: sending %sPUBLISH..",
+	      acc_id, (active ? "" : "un-")));
+    pj_log_push_indent();
 
     /* Create PUBLISH request */
     if (active) {
@@ -1199,6 +1240,7 @@
     }
 
     acc->publish_state = acc->online_status;
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 
 on_error:
@@ -1206,6 +1248,7 @@
 	pjsip_publishc_destroy(acc->publish_sess);
 	acc->publish_sess = NULL;
     }
+    pj_log_pop_indent();
     return status;
 }
 
@@ -1454,6 +1497,7 @@
 		  (int)pjsua_var.buddy[buddy->index].uri.slen,
 		  pjsua_var.buddy[buddy->index].uri.ptr, 
 		  pjsip_evsub_get_state_name(sub)));
+	pj_log_push_indent();
 
 	if (pjsip_evsub_get_state(sub) == PJSIP_EVSUB_STATE_TERMINATED) {
 	    int resub_delay = -1;
@@ -1573,6 +1617,8 @@
 	    buddy->dlg = NULL;
 	    pjsip_evsub_set_mod_data(sub, pjsua_var.mod.id, NULL);
 	}
+
+	pj_log_pop_indent();
     }
 }
 
@@ -1684,8 +1730,9 @@
 
     acc = &pjsua_var.acc[acc_id];
 
-    PJ_LOG(4,(THIS_FILE, "Using account %d for buddy %d subscription",
-			 acc_id, buddy_id));
+    PJ_LOG(4,(THIS_FILE, "Buddy %d: subscribing presence,using account %d..",
+	      buddy_id, acc_id));
+    pj_log_push_indent();
 
     /* Generate suitable Contact header unless one is already set in
      * the account
@@ -1701,6 +1748,7 @@
 	    pjsua_perror(THIS_FILE, "Unable to generate Contact header", 
 		         status);
 	    pj_pool_release(tmp_pool);
+	    pj_log_pop_indent();
 	    return;
 	}
     }
@@ -1715,6 +1763,7 @@
 	pjsua_perror(THIS_FILE, "Unable to create dialog", 
 		     status);
 	if (tmp_pool) pj_pool_release(tmp_pool);
+	pj_log_pop_indent();
 	return;
     }
 
@@ -1734,6 +1783,7 @@
 	 */
 	if (buddy->dlg) pjsip_dlg_dec_lock(buddy->dlg);
 	if (tmp_pool) pj_pool_release(tmp_pool);
+	pj_log_pop_indent();
 	return;
     }
 
@@ -1773,6 +1823,7 @@
 	pjsua_perror(THIS_FILE, "Unable to create initial SUBSCRIBE", 
 		     status);
 	if (tmp_pool) pj_pool_release(tmp_pool);
+	pj_log_pop_indent();
 	return;
     }
 
@@ -1788,11 +1839,13 @@
 	pjsua_perror(THIS_FILE, "Unable to send initial SUBSCRIBE", 
 		     status);
 	if (tmp_pool) pj_pool_release(tmp_pool);
+	pj_log_pop_indent();
 	return;
     }
 
     pjsip_dlg_dec_lock(buddy->dlg);
     if (tmp_pool) pj_pool_release(tmp_pool);
+    pj_log_pop_indent();
 }
 
 
@@ -1813,6 +1866,9 @@
 	return;
     }
 
+    PJ_LOG(5,(THIS_FILE, "Buddy %d: unsubscribing..", buddy_id));
+    pj_log_push_indent();
+
     status = pjsip_pres_initiate( buddy->sub, 0, &tdata);
     if (status == PJ_SUCCESS) {
 	pjsua_process_msg_data(tdata, NULL);
@@ -1825,6 +1881,8 @@
 	pjsua_perror(THIS_FILE, "Unable to unsubscribe presence", 
 		     status);
     }
+
+    pj_log_pop_indent();
 }
 
 /* It does what it says.. */
@@ -1914,10 +1972,15 @@
     mwi_info.evsub = sub;
     mwi_info.rdata = rdata;
 
+    PJ_LOG(4,(THIS_FILE, "MWI got NOTIFY.."));
+    pj_log_push_indent();
+
     /* Call callback */
     if (pjsua_var.ua_cfg.cb.on_mwi_info) {
 	(*pjsua_var.ua_cfg.cb.on_mwi_info)(acc->index, &mwi_info);
     }
+
+    pj_log_pop_indent();
 }
 
 
@@ -1973,6 +2036,9 @@
 
     }
 
+    PJ_LOG(4,(THIS_FILE, "Starting MWI subscription.."));
+    pj_log_push_indent();
+
     /* Generate suitable Contact header unless one is already set in 
      * the account
      */
@@ -1986,6 +2052,7 @@
 	    pjsua_perror(THIS_FILE, "Unable to generate Contact header", 
 		         status);
 	    pj_pool_release(tmp_pool);
+	    pj_log_pop_indent();
 	    return;
 	}
     }
@@ -1999,6 +2066,7 @@
     if (status != PJ_SUCCESS) {
 	pjsua_perror(THIS_FILE, "Unable to create dialog", status);
 	if (tmp_pool) pj_pool_release(tmp_pool);
+	pj_log_pop_indent();
 	return;
     }
 
@@ -2014,6 +2082,7 @@
 	pjsua_perror(THIS_FILE, "Error creating MWI subscription", status);
 	if (tmp_pool) pj_pool_release(tmp_pool);
 	if (acc->mwi_dlg) pjsip_dlg_dec_lock(acc->mwi_dlg);
+	pj_log_pop_indent();
 	return;
     }
 
@@ -2054,6 +2123,7 @@
 	pjsua_perror(THIS_FILE, "Unable to create initial MWI SUBSCRIBE", 
 		     status);
 	if (tmp_pool) pj_pool_release(tmp_pool);
+	pj_log_pop_indent();
 	return;
     }
 
@@ -2070,12 +2140,14 @@
 	pjsua_perror(THIS_FILE, "Unable to send initial MWI SUBSCRIBE", 
 		     status);
 	if (tmp_pool) pj_pool_release(tmp_pool);
+	pj_log_pop_indent();
 	return;
     }
 
     pjsip_dlg_dec_lock(acc->mwi_dlg);
     if (tmp_pool) pj_pool_release(tmp_pool);
 
+    pj_log_pop_indent();
 }
 
 
@@ -2105,6 +2177,10 @@
 	return PJ_FALSE;
     }
 
+    PJ_LOG(4,(THIS_FILE, "Got unsolicited NOTIFY from %s:%d..",
+	      rdata->pkt_info.src_name, rdata->pkt_info.src_port));
+    pj_log_push_indent();
+
     /* Got unsolicited MWI request, respond with 200/OK first */
     pjsip_endpt_respond(pjsua_get_pjsip_endpt(), NULL, rdata, 200, NULL,
 			NULL, NULL, NULL);
@@ -2123,7 +2199,7 @@
 	(*pjsua_var.ua_cfg.cb.on_mwi_info)(acc_id, &mwi_info);
     }
 
-    
+    pj_log_pop_indent();
     return PJ_TRUE;
 }
 
@@ -2253,6 +2329,7 @@
     unsigned i;
 
     PJ_LOG(4,(THIS_FILE, "Shutting down presence.."));
+    pj_log_push_indent();
 
     if (pjsua_var.pres_timer.id != 0) {
 	pjsip_endpt_cancel_timer(pjsua_var.endpt, &pjsua_var.pres_timer);
@@ -2275,4 +2352,6 @@
 	if (pjsua_var.acc[i].valid)
 	    pjsua_pres_update_acc(i, PJ_FALSE);
     }
+
+    pj_log_pop_indent();
 }
diff --git a/pjsip/src/pjsua-lib/pjsua_vid.c b/pjsip/src/pjsua-lib/pjsua_vid.c
index c45002d..8af4bfb 100644
--- a/pjsip/src/pjsua-lib/pjsua_vid.c
+++ b/pjsip/src/pjsua-lib/pjsua_vid.c
@@ -36,32 +36,35 @@
     unsigned i;
     pj_status_t status;
 
+    PJ_LOG(4,(THIS_FILE, "Initializing video subsystem.."));
+    pj_log_push_indent();
+
     status = pjmedia_video_format_mgr_create(pjsua_var.pool, 64, 0, NULL);
     if (status != PJ_SUCCESS) {
 	PJ_PERROR(1,(THIS_FILE, status,
 		     "Error creating PJMEDIA video format manager"));
-	return status;
+	goto on_error;
     }
 
     status = pjmedia_converter_mgr_create(pjsua_var.pool, NULL);
     if (status != PJ_SUCCESS) {
 	PJ_PERROR(1,(THIS_FILE, status,
 		     "Error creating PJMEDIA converter manager"));
-	return status;
+	goto on_error;
     }
 
     status = pjmedia_vid_codec_mgr_create(pjsua_var.pool, NULL);
     if (status != PJ_SUCCESS) {
 	PJ_PERROR(1,(THIS_FILE, status,
 		     "Error creating PJMEDIA video codec manager"));
-	return status;
+	goto on_error;
     }
 
     status = pjmedia_vid_dev_subsys_init(&pjsua_var.cp.factory);
     if (status != PJ_SUCCESS) {
 	PJ_PERROR(1,(THIS_FILE, status,
 		     "Error creating PJMEDIA video subsystem"));
-	return status;
+	goto on_error;
     }
 
 #if PJMEDIA_HAS_VIDEO && PJMEDIA_HAS_FFMPEG_CODEC
@@ -69,19 +72,26 @@
     if (status != PJ_SUCCESS) {
 	PJ_PERROR(1,(THIS_FILE, status,
 		     "Error initializing ffmpeg library"));
-	return status;
+	goto on_error;
     }
 #endif
 
     for (i=0; i<PJSUA_MAX_VID_WINS; ++i) {
 	if (pjsua_var.win[i].pool == NULL) {
 	    pjsua_var.win[i].pool = pjsua_pool_create("win%p", 512, 512);
-	    if (pjsua_var.win[i].pool == NULL)
-		return PJ_ENOMEM;
+	    if (pjsua_var.win[i].pool == NULL) {
+		status = PJ_ENOMEM;
+		goto on_error;
+	    }
 	}
     }
 
+    pj_log_pop_indent();
     return PJ_SUCCESS;
+
+on_error:
+    pj_log_pop_indent();
+    return status;
 }
 
 pj_status_t pjsua_vid_subsys_start(void)
@@ -93,6 +103,9 @@
 {
     unsigned i;
 
+    PJ_LOG(4,(THIS_FILE, "Destroying video subsystem.."));
+    pj_log_push_indent();
+
     for (i=0; i<PJSUA_MAX_VID_WINS; ++i) {
 	if (pjsua_var.win[i].pool) {
 	    free_vid_win(i);
@@ -107,6 +120,7 @@
 	    pjmedia_codec_ffmpeg_deinit();
 #endif
 
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 }
 
@@ -343,6 +357,10 @@
     pj_status_t status;
     unsigned i;
 
+    PJ_LOG(4,(THIS_FILE, "Creating window, type=%d, cap_dev=%d, rend_dev=%d",
+	      type, cap_id, rend_id));
+    pj_log_push_indent();
+
     /* If type is preview, check if it exists already */
     if (type == PJSUA_WND_TYPE_PREVIEW) {
 	wid = pjsua_vid_preview_get_win(cap_id);
@@ -360,6 +378,8 @@
 
 	    /* Done */
 	    *id = wid;
+	    PJ_LOG(4,(THIS_FILE, "Window already exist: %d", wid));
+	    pj_log_pop_indent();
 	    return PJ_SUCCESS;
 	}
     }
@@ -373,8 +393,10 @@
 	    break;
 	}
     }
-    if (i == PJSUA_MAX_VID_WINS)
+    if (i == PJSUA_MAX_VID_WINS) {
+	pj_log_pop_indent();
 	return PJ_ETOOMANY;
+    }
 
     /* Initialize window */
     pjmedia_vid_port_param_default(&vp_param);
@@ -448,10 +470,13 @@
     /* Done */
     *id = wid;
 
+    PJ_LOG(4,(THIS_FILE, "Window %d created", wid));
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 
 on_error:
     free_vid_win(wid);
+    pj_log_pop_indent();
     return status;
 }
 
@@ -460,6 +485,9 @@
 {
     pjsua_vid_win *w = &pjsua_var.win[wid];
     
+    PJ_LOG(4,(THIS_FILE, "Window %d: destroying..", wid));
+    pj_log_push_indent();
+
     if (w->vp_cap) {
 	pjmedia_vid_port_stop(w->vp_cap);
 	pjmedia_vid_port_disconnect(w->vp_cap);
@@ -473,6 +501,8 @@
 	pjmedia_port_destroy(w->tee);
     }
     pjsua_vid_win_reset(wid);
+
+    pj_log_pop_indent();
 }
 
 
@@ -513,10 +543,13 @@
     unsigned strm_idx = call_med->idx;
     pj_status_t status;
     
+    PJ_LOG(4,(THIS_FILE, "Video channel update.."));
+    pj_log_push_indent();
+
     status = pjmedia_vid_stream_info_from_sdp(si, tmp_pool, pjsua_var.med_endpt,
 					      local_sdp, remote_sdp, strm_idx);
     if (status != PJ_SUCCESS)
-	return status;
+	goto on_error;
 
     /* Check if no media is active */
     if (si->dir == PJMEDIA_DIR_NONE) {
@@ -534,7 +567,7 @@
 					       tmp_pool, local_sdp,
 					       remote_sdp, strm_idx);
 	if (status != PJ_SUCCESS)
-	    return status;
+	    goto on_error;
 
 	call_med->tp_st = PJSUA_MED_TP_RUNNING;
 
@@ -591,7 +624,7 @@
 	    status = pjmedia_vid_dev_get_info(call_med->strm.v.cap_dev,
 					      &dev_info);
 	    if (status != PJ_SUCCESS)
-		return status;
+		goto on_error;
 
 	    /* Find matched format ID */
 	    for (i = 0; i < codec_info->dec_fmt_id_cnt; ++i) {
@@ -616,12 +649,12 @@
 					   call_med->tp, NULL,
 					   &call_med->strm.v.stream);
 	if (status != PJ_SUCCESS)
-	    return status;
+	    goto on_error;
 
 	/* Start stream */
 	status = pjmedia_vid_stream_start(call_med->strm.v.stream);
 	if (status != PJ_SUCCESS)
-	    return status;
+	    goto on_error;
 
 	/* Setup decoding direction */
 	if (si->dir & PJMEDIA_DIR_DECODING)
@@ -629,11 +662,16 @@
 	    pjsua_vid_win_id wid;
 	    pjsua_vid_win *w;
 
+	    PJ_LOG(4,(THIS_FILE, "Setting up RX.."));
+	    pj_log_push_indent();
+
 	    status = pjmedia_vid_stream_get_port(call_med->strm.v.stream,
 						 PJMEDIA_DIR_DECODING,
 						 &media_port);
-	    if (status != PJ_SUCCESS)
-		return status;
+	    if (status != PJ_SUCCESS) {
+		pj_log_pop_indent();
+		goto on_error;
+	    }
 
 	    /* Create stream video window */
 	    status = create_vid_win(PJSUA_WND_TYPE_STREAM,
@@ -643,8 +681,10 @@
 				    PJSUA_INVALID_ID,
 				    acc->cfg.vid_in_auto_show,
 				    &wid);
-	    if (status != PJ_SUCCESS)
-		return status;
+	    if (status != PJ_SUCCESS) {
+		pj_log_pop_indent();
+		goto on_error;
+	    }
 
 	    w = &pjsua_var.win[wid];
 
@@ -658,17 +698,22 @@
 	    /* Connect renderer to stream */
 	    status = pjmedia_vid_port_connect(w->vp_rend, media_port,
 					      PJ_FALSE);
-	    if (status != PJ_SUCCESS)
-		return status;
+	    if (status != PJ_SUCCESS) {
+		pj_log_pop_indent();
+		goto on_error;
+	    }
 
 	    /* Start renderer */
 	    status = pjmedia_vid_port_start(w->vp_rend);
-	    if (status != PJ_SUCCESS)
-		return status;
+	    if (status != PJ_SUCCESS) {
+		pj_log_pop_indent();
+		goto on_error;
+	    }
 
 	    /* Done */
 	    inc_vid_win(wid);
 	    call_med->strm.v.rdr_win_id = wid;
+	    pj_log_pop_indent();
 	}
 
 	/* Setup encoding direction */
@@ -677,11 +722,16 @@
 	    pjsua_vid_win *w;
 	    pjsua_vid_win_id wid;
 
+	    PJ_LOG(4,(THIS_FILE, "Setting up TX.."));
+	    pj_log_push_indent();
+
 	    status = pjmedia_vid_stream_get_port(call_med->strm.v.stream,
 						 PJMEDIA_DIR_ENCODING,
 						 &media_port);
-	    if (status != PJ_SUCCESS)
-		return status;
+	    if (status != PJ_SUCCESS) {
+		pj_log_pop_indent();
+		goto on_error;
+	    }
 
 	    /* Create preview video window */
 	    status = create_vid_win(PJSUA_WND_TYPE_PREVIEW,
@@ -692,8 +742,10 @@
 				    //acc->cfg.vid_cap_dev,
 				    PJ_FALSE,
 				    &wid);
-	    if (status != PJ_SUCCESS)
-		return status;
+	    if (status != PJ_SUCCESS) {
+		pj_log_pop_indent();
+		goto on_error;
+	    }
 
 	    w = &pjsua_var.win[wid];
 #if ENABLE_EVENT
@@ -704,22 +756,29 @@
 	    
 	    /* Connect stream to capturer (via video window tee) */
 	    status = pjmedia_vid_tee_add_dst_port2(w->tee, 0, media_port);
-	    if (status != PJ_SUCCESS)
-		return status;
+	    if (status != PJ_SUCCESS) {
+		pj_log_pop_indent();
+		goto on_error;
+	    }
 
 	    /* Start renderer */
 	    status = pjmedia_vid_port_start(w->vp_rend);
-	    if (status != PJ_SUCCESS)
-		return status;
+	    if (status != PJ_SUCCESS) {
+		pj_log_pop_indent();
+		goto on_error;
+	    }
 
 	    /* Start capturer */
 	    status = pjmedia_vid_port_start(w->vp_cap);
-	    if (status != PJ_SUCCESS)
-		return status;
+	    if (status != PJ_SUCCESS) {
+		pj_log_pop_indent();
+		goto on_error;
+	    }
 
 	    /* Done */
 	    inc_vid_win(wid);
 	    call_med->strm.v.cap_win_id = wid;
+	    pj_log_pop_indent();
 	}
 
 	/* Call media direction */
@@ -765,17 +824,22 @@
 			       dir);
 	if (len > 0)
 	    info_len += len;
-	PJ_LOG(4,(THIS_FILE,"Media updates%s", info));
+	PJ_LOG(4,(THIS_FILE,"Video updated%s", info));
     }
 
     if (!acc->cfg.vid_out_auto_transmit && call_med->strm.v.stream) {
 	status = pjmedia_vid_stream_pause(call_med->strm.v.stream,
 					  PJMEDIA_DIR_ENCODING);
 	if (status != PJ_SUCCESS)
-	    return status;
+	    goto on_error;
     }
 
+    pj_log_pop_indent();
     return PJ_SUCCESS;
+
+on_error:
+    pj_log_pop_indent();
+    return status;
 }
 
 
@@ -790,6 +854,9 @@
     if (!strm)
 	return;
 
+    PJ_LOG(4,(THIS_FILE, "Stopping video stream.."));
+    pj_log_push_indent();
+
     /* Unsubscribe events */
     pjmedia_event_unsubscribe(&call_med->esub_rend);
     pjmedia_event_unsubscribe(&call_med->esub_cap);
@@ -831,6 +898,8 @@
 
     pjmedia_vid_stream_destroy(strm);
     call_med->strm.v.stream = NULL;
+
+    pj_log_pop_indent();
 }
 
 
@@ -846,19 +915,24 @@
     pjsua_vid_preview_param default_param;
     pj_status_t status;
 
-    PJSUA_LOCK();
-
     if (!prm) {
 	pjsua_vid_preview_param_default(&default_param);
 	prm = &default_param;
     }
 
+    PJ_LOG(4,(THIS_FILE, "Starting preview for cap_dev=%d, show=%d",
+	      id, prm->show));
+    pj_log_push_indent();
+
+    PJSUA_LOCK();
+
     rend_id = prm->rend_id;
 
     status = create_vid_win(PJSUA_WND_TYPE_PREVIEW, NULL, rend_id, id,
 			    prm->show, &wid);
     if (status != PJ_SUCCESS) {
 	PJSUA_UNLOCK();
+	pj_log_pop_indent();
 	return status;
     }
 
@@ -868,6 +942,7 @@
     status = pjmedia_vid_port_start(w->vp_rend);
     if (status != PJ_SUCCESS) {
 	PJSUA_UNLOCK();
+	pj_log_pop_indent();
 	return status;
     }
 
@@ -875,12 +950,14 @@
     status = pjmedia_vid_port_start(w->vp_cap);
     if (status != PJ_SUCCESS) {
 	PJSUA_UNLOCK();
+	pj_log_pop_indent();
 	return status;
     }
 
     inc_vid_win(wid);
 
     PJSUA_UNLOCK();
+    pj_log_pop_indent();
     return PJ_SUCCESS;
 }
 
@@ -891,16 +968,21 @@
 {
     pjsua_vid_win_id wid = PJSUA_INVALID_ID;
 
+    PJ_LOG(4,(THIS_FILE, "Stopping preview for cap_dev=%d", id));
+    pj_log_push_indent();
+
     PJSUA_LOCK();
     wid = pjsua_vid_preview_get_win(id);
     if (wid == PJSUA_INVALID_ID) {
 	PJSUA_UNLOCK();
+	pj_log_pop_indent();
 	return PJ_ENOTFOUND;
     }
 
     dec_vid_win(wid);
 
     PJSUA_UNLOCK();
+    pj_log_pop_indent();
 
     return PJ_SUCCESS;
 }
@@ -1580,6 +1662,10 @@
 		     PJ_EINVAL);
     PJ_ASSERT_RETURN(op != PJSUA_CALL_VID_STRM_NO_OP, PJ_EINVAL);
 
+    PJ_LOG(4,(THIS_FILE, "Call %d: set video stream, op=%d",
+	      call_id, op));
+    pj_log_push_indent();
+
     PJSUA_LOCK();
 
     call = &pjsua_var.calls[call_id];
@@ -1635,6 +1721,7 @@
     }
 
     PJSUA_UNLOCK();
+    pj_log_pop_indent();
 
     return status;
 }