FS-3916 --resolve i don't think its necessary for info but you could try it with…

FS-3916 --resolve i don't think its necessary for info but you could try it with another FS process to confirm

src/mod/endpoints/mod_sofia/mod_sofia.c

@@ -2154,6 +2154,7 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
 							nua_update(tech_pvt->nh,
 									   NUTAG_SESSION_TIMER(tech_pvt->session_timeout),
 									   NUTAG_SESSION_REFRESHER(tech_pvt->session_refresher),
+									   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("Yealink", ua)))) {
@@ -2163,6 +2164,7 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
 							nua_update(tech_pvt->nh,
 									   NUTAG_SESSION_TIMER(tech_pvt->session_timeout),
 									   NUTAG_SESSION_REFRESHER(tech_pvt->session_refresher),
+									   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());
 						}