some gateways might or might not support G.729.. You should see in SDP body of 200 OK message from gateway if you get one, what codecs the gateway supports.

Ladislav

ravi reddy wrote:

Hi

I just tried to call a pstn number but call is not implemented even thoough PSTN supports G729

So, here what is going wrong ? any suggestion please

On 8/2/06, *Ladislav Andel* <ladia6@centrum.cz mailto:ladia6@centrum.cz> wrote:

Hi,
Just make sure. Do both phones support G.729?  if the handytone
does the
other party also has to support G.729. Otherwise a phonecall can
not be
setup.

Ladislav

ravi reddy wrote:

> Hi users,
>
>       I have one doubt here please try to give some information
to me.
>
>  I am using SER-0.9.6 with mediaproxy-1.7.2
>
> and for testing purpose i am using grandstream adapter handytone-496
>
> If i make changes in codecs in grandstream that it should only use
> g729 codec --the call is not implemented
>
> "here what i want to know is does grandstream support G729 codec or
> the adapter compress the voice  in G729 format when we select g729"?
>
> if later is correct , so we must have to implement g729 codec in
SER
> or in mediaproxy  so how we can do that?
>
> if i put G711 only,- the call is implementing or other wise the call
> cannot be made by the SER.
>
> so please give me some information regarding this :-(
>
>
>                              Thank You.
>
> Regards,
> Ravi.
>
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