[Asterisk-Users] SIP codec preference order ineffective

[Patai Tamás]

But it would not be neccessary any transcoding as both parties planned to 
use the same g729 codec.

By the way I also noticed if there is a SIP INVITE sent by a specific codec 
order (different from the one asterisk has) through asterisk then asterisk 
will allways forward this SIP INVITE to the called party with its(asterisk) 
codec preference order (so not with the original order).

(I traced the message conversation with ethereal)

Maybe misconfigured something but really this happens.


----- Original Message ----- 
From: "Eric "ManxPower" Wieling" <eric at fnords.org>
To: "Asterisk Users Mailing List - Non-Commercial Discussion" 
<asterisk-users at lists.digium.com>
Sent: Thursday, June 15, 2006 6:06 PM
Subject: Re: [Asterisk-Users] SIP codec preference order ineffective


> Asterisk does not support transcoding G723.1.  If you want to transcode 
> G729 then you need a G729 license from Digium.
>
> Patai Tamás wrote:
>> Hi,
>>
>>  I set a preference order of the codecs to my sip.conf
>>
>> /[general]
>> port = 5060 ; Port to bind to
>> bindaddr = 0.0.0.0 ; Address to bind to
>> context = default ; Default for incoming calls of not registered phones
>> *disallow = all
>> allow = g729
>> allow = g723
>> allow = alaw
>> allow = ulaw*/
>>
>> ** Connected a 'Sipura SPA' sip phone to asterisk with g729 as its 
>> preferred codec.
>>
>>  Problem: asterisk cannot make the connection:
>>
>> *set_format: Unable to find a codec translation path from alaw to g729*
>>
>> ** Connection only can be made if the Sipura's preferred codec is 
>> alaw/ulaw.
>>
>>  Any help appreciated
>>
>> Tamas
>>
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