From: Mark Spencer <markster@digium.com>
Date: Fri, 21 May 2004 00:59:38 +0000 (+0000)
Subject: Don't send the same codec twice even if listed twice in allow section (bug #1691)
X-Git-Tag: 1.0.0-rc1~416
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7f1117a71f990bccdc4f47c7229cc51e0af36816;p=thirdparty%2Fasterisk.git

Don't send the same codec twice even if listed twice in allow section (bug #1691)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3033 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 0aa8f57ec3..9121b3e1be 100755
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -3088,7 +3088,7 @@ static int add_sdp(struct sip_request *resp, struct sip_pvt *p, struct ast_rtp *
 	/* Start by sending our preferred codecs */
 	cur = prefs;
 	while(cur) {
-		if (p->jointcapability & cur->codec) {
+		if ((p->jointcapability & cur->codec) && !(alreadysent & cur->codec)) {
 			if (sip_debug_test_pvt(p))
 				ast_verbose("Answering with preferred capability 0x%x(%s)\n", cur->codec, ast_getformatname(cur->codec));
 			codec = ast_rtp_lookup_code(p->rtp, 1, cur->codec);