[asterisk-dev] Codec order changing after hold and unhold

[Joshua C. Colp]

On Tue, Aug 3, 2021 at 11:50 AM Floimair Florian <f.floimair at commend.com>
wrote:

> Hi there!
>
>
>
> I was wondering if anyone has any idea what the cause of the following
> behavior could be:
>
>
>
>    1. We place a call from A to B with codecs (in this order on both
>    sides) opus,g722,g711a,g711u
>    2. B accepts the call
>    3. B puts A on hold
>    4. B puts A off hold
>    5. Asterisk now suddenly renegotiates B via SIP re-INVITE to the same
>    codecs but in this order: g711u,g711a,g722,opus (which is exactly in
>    reverse order than previously)
>
>
>
> We do see this only on some devices so it is not a general problem but I
> have no clue as to what triggers Asterisk to do so.
>
>
>
> Any help/hint appreciated.
>

There is an open issue[1] for this.

[1] https://issues.asterisk.org/jira/browse/ASTERISK-29320

-- 
Joshua C. Colp
Asterisk Technical Lead
Sangoma Technologies
Check us out at www.sangoma.com and www.asterisk.org
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