[asterisk-users] any codec passthru mode

SIP
2007-06-04T08:13:09Z

That just seems really, REALLY dumb for a program of this magnitude.

I know this has been patched here and there by one person or another,
but does anyone know if any of these patches to make CODEC negotiation
actually, you know, negotiate a CODEC will ever make it into the core src?


Jaswinder Singh wrote:
> Asterisk by default uses the codec preferred by other device/client  .
> Asterisk 1.2 ( dunno abt 1.4 specifically)  is not intelligent enough
> to check if it can avoid transcoding by forcing same codec on other
> side of conversation . If both sides prefer g729 then asterisk does
> not do transcoding but if one side prefer gsm and other prefers g729
> and the gsm side can also support g729 still asterisk will transcode .
> Someone posted a patch to this in mantis bug tracking system at digium
> for 1.2 .. google for it and maybe you can find  .
>
> On 31/05/07, Rizwan Hisham <rizwanhasham@gmail.com> wrote:
>> Does anybody has any documentation on codec negotiation within
asterisk?
>>
>> Well im using free g729 codec for testing purposes. i mentioned g729
>> just as
>> an example. whatever codec is mentioned in user perefernce, asterisk
>> uses
>> ulaw to throw out the call.
>>
>>
>> On 5/30/07, Marco Mouta <marco.mouta@gmail.com> wrote:
>> > so you r sure you have g729 licences installed and ur * is
transcoding
>> your RTP streaming?
>> >
>> > Test the work flow with disallow=all and allow=g729, can be my
>> mistake but
>> I remember to read somewhere on the net any issue about codec
>> negotiating
>> precedence when you use allow=all.
>> >
>> > good luck
>> >
>> >
>> >
>> > On 5/30/07, Rizwan Hisham < rizwanhasham@gmail.com> wrote:
>> > >
>> > > Hi all,
>> > > My configuration is:
>> > > USER ----(connects to)----> ASTERISK---(connects
to)--->CARRIER-OUT
>> > >
>> > > i want the user preffered codec to pass thru asterisk to
>> carrier-out.
>> what i mean is:
>> > > USER ----(user uses g729)----> ASTERISK---(asterisk should
use
>> g729 for
>> dialing out)--->CARRIER-OUT
>> > >
>> > > instead, this is what happens
>> > > USER ----(user uses g729)----> ASTERISK---(asterisk uses
>> g711u)--->CARRIER-OUT
>> > >
>> > > How can i force asterisk to use user preffered codec for
dialing
>> out so
>> that my asterisk machine saves time by no conversion
>> > > USER PREFERENCE IS
>> > > disallow=all
>> > > allow=g729
>> > >
>> > > CARRIER PREFERENCE IS
>> > > allow=all
>> > >
>> > > Anybody who can help?
>> > >
>> > > --
>> > > Rizwan Hisham
>> > > Software Engineer
>> > > AXVOICE Inc.
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>> --
>> Rizwan Hisham
>> Software Engineer
>> AXVOICE Inc.
>> _______________________________________________
>> --Bandwidth and Colocation provided by Easynews.com --
>>
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