From 2e151d685d3c0bdf374e081befbee4b406b84421 Mon Sep 17 00:00:00 2001
From: Richard Fuchs <rfuchs@sipwise.com>
Date: Fri, 12 Mar 2021 10:07:07 -0500
Subject: [PATCH] TT#115400 explicitly disallow ptime in non-RTP SDPs

Change-Id: Ib1e324861b6a88e1a2f80e4f37a8afa654923a77
(cherry picked from commit 2507838a681ede0d5750f300a4563e0673790cb4)
---
 daemon/sdp.c           | 2 +-
 t/auto-daemon-tests.pl | 2 --
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/daemon/sdp.c b/daemon/sdp.c
index 1888b1b0f..2ed622ef0 100644
--- a/daemon/sdp.c
+++ b/daemon/sdp.c
@@ -2438,7 +2438,7 @@ int sdp_replace(struct sdp_chopper *chop, GQueue *sessions, struct call_monologu
 			insert_crypto(call_media, chop, flags);
 			insert_dtls(call_media, chop);
 
-			if (call_media->ptime)
+			if (proto_is_rtp(call_media->protocol) && call_media->ptime)
 				chopper_append_printf(chop, "a=ptime:%i\r\n", call_media->ptime);
 
 			if (MEDIA_ISSET(call_media, ICE) && call_media->ice_agent) {
diff --git a/t/auto-daemon-tests.pl b/t/auto-daemon-tests.pl
index 1de891403..43714b0e1 100755
--- a/t/auto-daemon-tests.pl
+++ b/t/auto-daemon-tests.pl
@@ -6465,7 +6465,6 @@ a=T38FaxMaxBuffer:200
 a=T38FaxMaxDatagram:180
 a=T38FaxUdpEC:t38UDPRedundancy
 a=sendrecv
-a=ptime:20
 SDP
 
 (undef, $port_a) = answer('gh 766 reinvite', {
@@ -6499,7 +6498,6 @@ a=T38FaxMaxBuffer:262
 a=T38FaxMaxDatagram:176
 a=T38FaxUdpEC:t38UDPRedundancy
 a=sendrecv
-a=ptime:20
 SDP
 
 snd($sock_b, $port_a, rtp(0, 4000, 5000, 0x4567, "\x88" x 160));