Attended call transfer implementation. The changes involves:
- Added support for SIP Replaces extension (RFC 3891)
- Added pjsua_call_xfer_replaces() to perform attended call
transfer.
- PJSUA checks and process Replaces header in incoming calls
- Added pjsip_ua_find_dialog() API.
- Added pjsip_endpt_has_capability() API.
- Added pjsip_endpt_send_response2() API.
- etc.
git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@797 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjsip/src/pjsip-ua/sip_inv.c b/pjsip/src/pjsip-ua/sip_inv.c
index 9750745..8c6b4cc 100644
--- a/pjsip/src/pjsip-ua/sip_inv.c
+++ b/pjsip/src/pjsip-ua/sip_inv.c
@@ -386,8 +386,10 @@
/* Register the module. */
status = pjsip_endpt_register_module(endpt, &mod_inv.mod);
+ if (status != PJ_SUCCESS)
+ return status;
- return status;
+ return PJ_SUCCESS;
}
/*
@@ -680,8 +682,9 @@
req_hdr = pjsip_msg_find_hdr(msg, PJSIP_H_REQUIRE, NULL);
if (req_hdr) {
unsigned i;
- pj_str_t STR_100REL = { "100rel", 6};
- pj_str_t STR_TIMER = { "timer", 5 };
+ const pj_str_t STR_100REL = { "100rel", 6};
+ const pj_str_t STR_TIMER = { "timer", 5 };
+ const pj_str_t STR_REPLACES = { "replaces", 8 };
unsigned unsupp_cnt = 0;
pj_str_t unsupp_tags[PJSIP_GENERIC_ARRAY_MAX_COUNT];
@@ -696,6 +699,14 @@
{
rem_option |= PJSIP_INV_REQUIRE_TIMER;
+ } else if (pj_stricmp(&req_hdr->values[i], &STR_REPLACES)==0) {
+ pj_bool_t supp;
+
+ supp = pjsip_endpt_has_capability(endpt, PJSIP_H_SUPPORTED,
+ NULL, &STR_REPLACES);
+ if (!supp)
+ unsupp_tags[unsupp_cnt++] = req_hdr->values[i];
+
} else {
/* Unknown/unsupported extension tag! */
unsupp_tags[unsupp_cnt++] = req_hdr->values[i];