From 991d4da1eb197734df5089e6d76cdbce2cee0898 Mon Sep 17 00:00:00 2001
From: Alexander Traud <pabstraud@compuserve.com>
Date: Mon, 10 Aug 2015 14:40:02 +0200
Subject: [PATCH] chan_sip: Fix negotiation of iLBC 30.
iLBC 20 was advertised in a SIP/SDP negotiation. However, only iLBC 30 is
supported. Removes "a=fmtp:x mode=y" from SDP. Because of RFC 3952 section 5,
only iLBC 30 is negotiated now.
ASTERISK-25309 #close
Change-Id: I92d724600a183eec3114da0ac607b994b1a793da
---
channels/chan_sip.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 419077003d..627f501871 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -12801,9 +12801,6 @@ static void add_codec_to_sdp(const struct sip_pvt *p,
} else if (ast_format_cmp(format, ast_format_g723) == AST_FORMAT_CMP_EQUAL) {
/* Indicate that we don't support VAD (G.723.1 annex A) */
ast_str_append(a_buf, 0, "a=fmtp:%d annexa=no\r\n", rtp_code);
- } else if (ast_format_cmp(format, ast_format_ilbc) == AST_FORMAT_CMP_EQUAL) {
- /* Add information about us using only 20/30 ms packetization */
- ast_str_append(a_buf, 0, "a=fmtp:%d mode=%u\r\n", rtp_code, framing);
} else if (ast_format_cmp(format, ast_format_siren7) == AST_FORMAT_CMP_EQUAL) {
/* Indicate that we only expect 32Kbps */
ast_str_append(a_buf, 0, "a=fmtp:%d bitrate=32000\r\n", rtp_code);
--
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