[asterisk-users] Asymmetric codecs in IAX2 trunk

[Magdy Salama]

Is it a limitation of IAX or Asterisk?


I know Opal has this capability for RTP calls. Actually, in Opal codec
negotiation is independent for each direction.


Tom Moore wrote:

> I don't think that you can have different codecs in different directions on
> a single call.
>
> Tom
>  
>
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Magdy Salama
> Sent: Friday, May 02, 2008 9:58 AM
> To: asterisk-users at lists.digium.com
> Subject: [asterisk-users] Asymmetric codecs in IAX2 trunk
>
> I'm trying to implement the following setup:
>
>
> Internet ---RTP--->Asterisk1----IAX-trunk-over-VPN---->Astrisk2---->PSTN
>
>
> The outbound bandwidth at asterisk2 (PSTN) is limited and expensive, so 
> I want to keep it low as possible. I want to use Speex VBR for the 
> outbound stream and keep the inbound stream at G.711 in the IAX2 trunk. 
> Speex streem will be transcoded to G.711 at Astreisk2.
>
>
> My question is: Does IAX2 trunk support asymmetric codecs (different 
> codec at each direction)?
>
>
> regards,
>
>
> Magdy Salama
>
>
> _______________________________________________
> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
>
> asterisk-users mailing list
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-users
>
>
> _______________________________________________
> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
>
> asterisk-users mailing list
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-users
>
>