add proxy tag to UPDATE packets if it was set by INVITE

src/mod/endpoints/mod_sofia/mod_sofia.c

@@ -1983,6 +1983,7 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
 							snprintf(message, sizeof(message), "P-Asserted-Identity: \"%s\" <%s>", name, number);
 							sofia_set_flag_locked(tech_pvt, TFLAG_UPDATING_DISPLAY);
 							nua_update(tech_pvt->nh,
+									   TAG_IF(!zstr(tech_pvt->route_uri), NUTAG_PROXY(tech_pvt->route_uri)),
 									   TAG_IF(!zstr_buf(message), SIPTAG_HEADER_STR(message)),
 									   TAG_IF(!zstr(tech_pvt->user_via), SIPTAG_VIA_STR(tech_pvt->user_via)), TAG_END());
 						} else if ((ua && (switch_stristr("aastra", ua)))) {
@@ -1990,6 +1991,7 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
 
 							sofia_set_flag_locked(tech_pvt, TFLAG_UPDATING_DISPLAY);
 							nua_update(tech_pvt->nh,
+									   TAG_IF(!zstr(tech_pvt->route_uri), NUTAG_PROXY(tech_pvt->route_uri)),
 									   TAG_IF(!zstr_buf(message), SIPTAG_HEADER_STR(message)),
 									   TAG_IF(!zstr(tech_pvt->user_via), SIPTAG_VIA_STR(tech_pvt->user_via)), TAG_END());
 						} else if ((ua && (switch_stristr("cisco/spa50", ua) || switch_stristr("cisco/spa525", ua)))) {
@@ -2041,6 +2043,7 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
 				} else if (ua && switch_stristr("polycom", ua)) {
 					snprintf(message, sizeof(message), "P-Asserted-Identity: \"%s\" <%s>", msg->string_arg, tech_pvt->caller_profile->destination_number);
 					nua_update(tech_pvt->nh,
+							   TAG_IF(!zstr(tech_pvt->route_uri), NUTAG_PROXY(tech_pvt->route_uri)),
 							   TAG_IF(!zstr_buf(message), SIPTAG_HEADER_STR(message)),
 							   TAG_IF(!zstr(tech_pvt->user_via), SIPTAG_VIA_STR(tech_pvt->user_via)), TAG_END());
 				}