From 880eb20623ab60a20f8c3257a75adc4377311ba0 Mon Sep 17 00:00:00 2001
From: Richard Fuchs <rfuchs@sipwise.com>
Date: Fri, 4 Nov 2022 09:34:31 -0400
Subject: [PATCH] MT#55283 fix legacy protocols

Legacy protocols don't set sp->num_ports. Use a sensible default for
this case.

Probably a regression from 2d2d7665b

Change-Id: Idcbc477a68b6db70a91a5d082736ac642c50ab15
(cherry picked from commit 302f7d64570a3ddf585a3f39261c4f58d732cc85)
---
 daemon/call.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/daemon/call.c b/daemon/call.c
index e0c33f94d..c66358be0 100644
--- a/daemon/call.c
+++ b/daemon/call.c
@@ -2774,6 +2774,8 @@ static int __media_init_from_flags(struct call_media *other_media, struct call_m
 unsigned int proto_num_ports(unsigned int sp_ports, struct call_media *media, struct sdp_ng_flags *flags,
 		bool allow_offer_split)
 {
+	if (sp_ports == 0)
+		return 2;
 	if (sp_ports != 2)
 		return sp_ports;
 	if (!proto_is_rtp(media->protocol))