[Freeswitch-users] Different codecs for different devices?

[David Ponzone]

Guys,

I added this variable to the wiki:

http://wiki.freeswitch.org/wiki/Channel_Variables#variable_xxxx

David Ponzone  Direction Technique
email: david.ponzone at ipeva.fr
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Le 04/05/2010 à 23:50, João Mesquita a écrit :

> I think you can also use another variable on the A leg SDP to make  
> it easier on the regex. ep_codec_string.
>
> This will contain the parsed version of the A leg SDP and that's  
> what I use most of the times for these tricks. Also, can you  
> document that? :-)
>
> Regards,
> João Mesquita
>
>
> On Tue, May 4, 2010 at 1:52 PM, Anthony Minessale <anthony.minessale at gmail.com 
> > wrote:
> you can regex the SDP for something specific and use that to set the  
> absolute_codec_string in a standalone extension that comes first in  
> the stack and has continue=true on it
>
>
>
> On Tue, May 4, 2010 at 11:32 AM, Ken Fulmer <kenfulmer at icstechnologysolutions.com 
> > wrote:
> Just in case others are interested, this is possible with the  
> following parameters:
>
>
> SIP Profile:
>
>
>     <param name="inbound-late-negotiation" value="true"/>
>
>
> Dial-Plan:
>
>
>       <action application="set" data="inherit_codec=true"/>
>
>
> The codec negotiated in Call Leg B, is forced onto Call Leg A. This  
> is possible due to the “inbound late negotiation” parameter in the  
> sip profile.
>
>
> Hope this helps someone else.
>
>
> Ken
>
>
>
>
> From: freeswitch-users-bounces at lists.freeswitch.org [mailto:freeswitch-users-bounces at lists.freeswitch.org 
> ] On Behalf Of Ken Fulmer
> Sent: Tuesday, May 04, 2010 8:29 AM
>
>
> To: freeswitch-users at lists.freeswitch.org
> Subject: [Freeswitch-users] Different codecs for different devices?
>
>
> This may be a far out question but here goes:
>
>
> Our fax machines that are connected to ATA’s need to be g.711 on  
> both Call Leg A and Call Leg B (in either direction).
>
>
> However, our phones need to be g.711 on the internal side that faces  
> our PBX. On the side facing our SIP provider, the calls should be  
> transcoded to g.729. Inbound the calls to phones (not ATA’s) need to  
> be g.729 on the inbound call leg and g.711 on the outbound call leg.
>
>
> I realize we can set inbound / outbound codec preferences in single  
> or multiple profiles and we can set the “absolute_codec_string”  
> value for the outbound call leg.
>
>
> However, I’ve yet to determine how to set the inbound call leg’s  
> codec differently depending on the device. Is this possible?
>
>
> Thanks,
>
>
> Ken Fulmer
>
>
>
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>
>
>
> -- 
> Anthony Minessale II
>
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>
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