[Asterisk-Users] Codec problems (SIP)

[Jorge Mendoza]

Terence Parker wrote:

> I am trying to get my Voicetronix OpenLine4 card working in FXO mode 
> in a PBX setup - so far I can only get it working as an IVR. I have 
> managed to get my card to at least not crash now, and Asterisk does 
> recognise it's existence... but I seem to be having codec problems. 
> The same problems exist when testing bridging of calls through FWD too.
>
> I tried setting 'allow=all' in sip.conf - this eliminated the above 
> problems, but resulted in another problem whereby any call between any 
> phone would simply not work - 'dead air'.
>
> I get similar problems with FWD.

Try in sip.conf:

disallow=all
allow=alaw
allow=ulaw
allow=gsm

(in that order)
I never tried with FWD

Jorge