asterisk users - Nov 2012 - Different codec for different type of calls

Hello,

Let's say I have a sip client that supports both G711 and G729 codecs and I
have them both enabled in sip.conf and G729 has higher priority.

Can I force the call to choose a different codec based on the dialed number
or other conditions?

For instance I would want to do G711 if the call was routed to T1 card over
Dahdi but G729 if the call was going to another sip client.

Thanks,
Ali Pey
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If you set up your DAHDI lines as "users" you should be able to do
this.

 

From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Ali Pey
Sent: Thursday, November 01, 2012 10:49 AM
To: asterisk-users at lists.digium.com
Subject: [asterisk-users] Different codec for different type of calls

 

Hello,

 

Let's say I have a sip client that supports both G711 and G729 codecs and I
have them both enabled in sip.conf and G729 has higher priority.

 

Can I force the call to choose a different codec based on the dialed number
or other conditions?

 

For instance I would want to do G711 if the call was routed to T1 card over
Dahdi but G729 if the call was going to another sip client.

 

Thanks,

Ali Pey

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exten => _X.,1,NoOP(G711 CoDec)
exten => _X.,n,Set(SIP_CODEC=g711)
exten => _X.,n,Dial(...)

*${SIP_CODEC}*: Set the SIP codec for the inbound (=first) call leg (see
channelvariables.txt or README.variables in 1.2); Asterisk 1.6.2 also comes
with SIP_CODEC_OUTBOUND <https://issues.asterisk.org/view.php?id=13243>
for
the remote (=second) call leg.

Hope this helps,

Regards,
Qasim


On Thu, Nov 1, 2012 at 8:49 PM, Ali Pey <alipey at gmail.com> wrote:
> Hello,
>
> Let's say I have a sip client that supports both G711 and G729 codecs
and
> I have them both enabled in sip.conf and G729 has higher priority.
>
> Can I force the call to choose a different codec based on the dialed
> number or other conditions?
>
> For instance I would want to do G711 if the call was routed to T1 card
> over Dahdi but G729 if the call was going to another sip client.
>
> Thanks,
> Ali Pey
>
> --
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