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<div class="moz-cite-prefix">On 14/05/2020 16:08, Michael L. Young
wrote:<br>
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<p>I am having a problem with one of my callers who is using
either g729 or alaw. I can do alaw but not g729 so
asterisk should negotiate alaw right? In fact from the
sip debug it looks like it does, but then I get the
dreaded "channel.c:5630 set_format: Unable to find a codec
translation path: (g729) -> (alaw)" and the call hangs
up. Why?</p>
<p>Last minute thought: Is it possible that the caller is
sending g729 in RTP even though the SIP negotiation
clearly chooses alaw? Maybe I need some RTP debugging.<br>
</p>
<p>Asterisk 13.14.1 on Debian, using chan_sip.</p>
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<div>Hi John,</div>
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<div>Maybe a newer version of Asterisk would help? The latest
release for 13 is version 13.33. The version you are on was
released 3 years ago.</div>
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Well, like I said I'm on Debian, using the packaged version. If I
want to upgrade I'll have to compile it myself, or upgrade to Debian
buster to get 16.2.1<br>
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<div>Here is an issue which looks like what you describe and
was fixed in 13.16</div>
<div><a
href="https://issues.asterisk.org/jira/browse/ASTERISK-26143"
data-mce-href="https://issues.asterisk.org/jira/browse/ASTERISK-26143"
moz-do-not-send="true">https://issues.asterisk.org/jira/browse/ASTERISK-26143</a></div>
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<p>That doesn't seem to be the same problem. My problem is that the
other end is sending g729, which my asterlsk can't do at all, and
tells the remote it can't do. I'm shocked that the remote is
trying to send me stuff using a codec that I didn't say I could
handle.</p>
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