diff --git a/src/mod/endpoints/mod_sofia/mod_sofia.c b/src/mod/endpoints/mod_sofia/mod_sofia.c
index ec63a75cd4..4debce5b9b 100644
--- a/src/mod/endpoints/mod_sofia/mod_sofia.c
+++ b/src/mod/endpoints/mod_sofia/mod_sofia.c
@@ -1786,6 +1786,9 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
 		}
 		set_local_sdp(tech_pvt, NULL, 0, NULL, 1);
 		do_invite(session);
+		while (!switch_rtp_ready(tech_pvt->rtp_session)) {
+			switch_yield(1000);
+		}
 	}
 		break;