[Freeswitch-users] FS changes to transcoding after hold

[Joshua Gigg]

I opened a JIRA on a related note earlier this year, because when you have
this call recorded, and it gets switched between G711 and G722, it messes
up the recording.

On Mon, 12 Dec 2016, 04:11 Sebastian Kemper, <sebastian_ml at gmx.net> wrote:

> On Fri, Dec 09, 2016 at 10:47:35PM +0100, Sebastian Kemper wrote:
>
> <snip>
>
> > It's probably not the smartest move for the phone to renegotiate codecs
> > at this point. But I think FS should be able to deal with it (without
> > simply falling back to transcoding). I've tried if putting
> > "disable-transcoding" into the profiles changes anything, but it didn't.
> > "renegotiate-codec-on-hold" and "renegotiate-codec-on-reinvite" are gone
> > since FS 1.6.10 so I can't try those. I read something about
> > "indicate_hold" which probably means that FS will send a reINVITE on the
> > other leg, so I might try that.
>
> I thought about it some more and came to the conclusion that for a B2BUA
> it does seem legit to accept the first codec in the reINVTIE's offer and
> use transcoding to make the bridge work. It's not what I would like to
> happen, but that's a different story :D
>
> I also found a posting from 2011 which mentions this behavior:
>
> http://lists.freeswitch.org/pipermail/freeswitch-users/2011-December/078228.html
>
> Anyway, "case closed".
>
> Regards,
> Sebastian
>
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