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tell the other side that we're using 20 ms packetization for iLBC

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- we need to investigate support for refusing offers of 30 ms (like the Nokia
  e-series) or supporting it.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@36623 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Olle Johansson
2006-07-02 14:18:00 +00:00
parent b971f65978
commit 765e420458
1 changed files with 6 additions and 1 deletions
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channels/chan_sip.c
+6 -1
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@@ -5575,9 +5575,14 @@ static void add_codec_to_sdp(const struct sip_pvt *p, int codec, int sample_rate
ast_build_string(a_buf, a_size, "a=rtpmap:%d %s/%d\r\n", rtp_code,
ast_rtp_lookup_mime_subtype(1, codec),
sample_rate);
if (codec == AST_FORMAT_G729A)
if (codec == AST_FORMAT_G729A) {
/* Indicate that we don't support VAD (G.729 annex B) */
ast_build_string(a_buf, a_size, "a=fmtp:%d annexb=no\r\n", rtp_code);
} else if (codec == AST_FORMAT_ILBC) {
/* Add information about us using only 20 ms packetization */
ast_build_string(a_buf, a_size, "a=fmtp:%d mode=20\r\n", rtp_code);
}
}
/*! \brief Get Max T.38 Transmision rate from T38 capabilities */