diff --git a/pjsip/include/pjsua-lib/pjsua.h b/pjsip/include/pjsua-lib/pjsua.h
index 2826c9f..36a1148 100644
--- a/pjsip/include/pjsua-lib/pjsua.h
+++ b/pjsip/include/pjsua-lib/pjsua.h
@@ -1924,6 +1924,20 @@
 
 
 /**
+ * Bit value used in pjsua_acc_config.reg_use_proxy field to indicate that
+ * the global outbound proxy list should be added to the REGISTER request.
+ */
+#define PJSUA_REG_USE_OUTBOUND_PROXY		1
+
+
+/**
+ * Bit value used in pjsua_acc_config.reg_use_proxy field to indicate that
+ * the account proxy list should be added to the REGISTER request.
+ */
+#define PJSUA_REG_USE_ACC_PROXY			2
+
+
+/**
  * This structure describes account configuration to be specified when
  * adding a new account with #pjsua_acc_add(). Application MUST initialize
  * this structure first by calling #pjsua_acc_config_default().
@@ -2224,6 +2238,18 @@
      */
     pj_bool_t	     drop_calls_on_reg_fail;
 
+    /**
+     * Specify how the registration uses the outbound and account proxy
+     * settings. This controls if and what Route headers will appear in
+     * the REGISTER request of this account. The value is bitmask combination
+     * of PJSUA_REG_USE_OUTBOUND_PROXY and PJSUA_REG_USE_ACC_PROXY bits.
+     * If the value is set to 0, the REGISTER request will not use any proxy
+     * (i.e. it will not have any Route headers).
+     *
+     * Default: 3 (PJSUA_REG_USE_OUTBOUND_PROXY | PJSUA_REG_USE_ACC_PROXY)
+     */
+    unsigned	     reg_use_proxy;
+
 } pjsua_acc_config;
 
 
diff --git a/pjsip/include/pjsua-lib/pjsua_internal.h b/pjsip/include/pjsua-lib/pjsua_internal.h
index f20b73d..f9146fb 100644
--- a/pjsip/include/pjsua-lib/pjsua_internal.h
+++ b/pjsip/include/pjsua-lib/pjsua_internal.h
@@ -285,6 +285,9 @@
     pj_status_t		 nat_status;	/**< Detection status.		*/
     pj_bool_t		 nat_in_progress; /**< Detection in progress	*/
 
+    /* List of outbound proxies: */
+    pjsip_route_hdr	 outbound_proxy;
+
     /* Account: */
     unsigned		 acc_cnt;	     /**< Number of accounts.	*/
     pjsua_acc_id	 default_acc;	     /**< Default account ID	*/