some work has been done here:
http://bugs.digium.com/view.php?id=4825
but seems to be quite death and probably not directly applicable to
current asterisk src :'(
SIP wrote:
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 <[EMAIL PROTECTED]> 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 <[EMAIL PROTECTED]> 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 < [EMAIL PROTECTED]> 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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> >
> >
>
>
>
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--
Rizwan Hisham
Software Engineer
AXVOICE Inc.
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