Re: [Astlinux-users] Using alternative codecs for SIP stations

[Tony P. <To...@pl...>]

You do not mention if you changed the order in the Aastra phone itself.  You=
 do need to change it in the Aastra section in sip.conf and the order in the=
 phone itself.  The codec that is used is the first one combinable on both=
 devices.

> Hi guys,
>
> I've had a search through the list for this problem, but couldn't
> find an answer. Sorry if I've missed it.
>
> I've got Astlinux 0.4.0 running on a pretty beefy box. I want to
> experiment with codecs other than alaw and ulaw (I'm especially
> interested in gsm and ilbc) but when I try and force my phone
> (Aastra 9133i) and Asterisk to use other codecs by rearranging
> their order in sip.conf (both in general and in the section for my
> Aastra), it ignores the codec order and just uses alaw. If I
> disallow alaw and ulaw, then the call is dropped. The extension I'm
> calling is the built-in speaking clock application so the call is
> kept internally as a sip call. The only other codec I've
> successfully managed to use apart from alaw and ulaw is g726 which
> sounded awful.
>
> Is the Aastra not compatible with other codecs?
>
> Any ideas about how to get the other codecs to work would be much
> appreciated!
>
> Thanks,
>
> David.
>
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> David Caldwell
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