From f6ac484a6adae111e939b2e7bbcb74bc4d7a08b6 Mon Sep 17 00:00:00 2001
From: Matteo Brancaleoni <matteo.brancaleoni@voismart.it>
Date: Fri, 1 Apr 2022 17:03:17 +0200
Subject: [PATCH] Ignore provisional responses only if call is not answered
 yet, closes #117

---
 libsofia-sip-ua/nua/nua_session.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libsofia-sip-ua/nua/nua_session.c b/libsofia-sip-ua/nua/nua_session.c
index 08bc8b69..4333701c 100644
--- a/libsofia-sip-ua/nua/nua_session.c
+++ b/libsofia-sip-ua/nua/nua_session.c
@@ -948,8 +948,8 @@ static int nua_session_client_response(nua_client_request_t *cr,
   else if (!session_get_description(sip, &sdp, &len))
     /* No SDP */;
   else if (cr->cr_answer_recv) {
-    if (cr->cr_answer_recv > status) {
-      LOG3("status is older than previous answer, ignoring");
+    if (status < 200 && cr->cr_answer_recv >= 200) {
+      LOG3("call already answered, ignoring provisional response");
       sdp = NULL;
       return 0;
     } else {