[asterisk-bugs] [JIRA] (ASTERISK-26666) chan_pjsip: Opus offered and used, but uLaw is sent, Result No Audio

[Kevin Harwell (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-26666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=235188#comment-235188 ] 

Kevin Harwell commented on ASTERISK-26666:
------------------------------------------

{quote}
Are you able to recreate it? Or is it unique to my server? I'd be happy to provision you a testbed server to SSH into and play around with.
{quote}
I have not been able to recreate the problem myself. The issue has now been moved from triage to opened. That being said I'm not sure when a developer will get around to formally looking into this issue, but they can ping you at that time about a testbed if needed.

A couple more questions/things to try to help narrow the scope:

Does this only occur with opus? What if you put something like g729 as the first codec and opus last or even removed it from the list?

Is it possible to setup a test with no NAT involved to see if the problem still occurs?

> chan_pjsip: Opus offered and used, but uLaw is sent, Result No Audio
> --------------------------------------------------------------------
>
>                 Key: ASTERISK-26666
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26666
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_pjsip
>    Affects Versions: 13.13.1
>         Environment: x64 CentOS
>            Reporter: Luke Escude
>         Attachments: asterisk.pcap, asterisk.txt, call2.pcap, flowroute-280984.pcap, gs.pcap, opus-debug, opus-debug2.txt, opus-debug.txt, yl.pcap
>
>
> The following codecs are configured for an endpoint, in order of priority:
> Opus
> uLaw
> iLBC
> g729
> Asterisk and the handset settle on Opus being the codec for the call, but no audio can be heard from the echo test (or extension-to-extension, or anything).
> Running "pjsip show channelstats" shows uLaw as the codec, even though it should say Opus. opus-debug file shows a lot of the following error:
> Oooh, got a frame with format of opus on channel 'PJSIP/100-0000001d' when we're sending 'ulaw', switching to match



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