[Asterisk-Users] Cisco 7940 no audio

[Chris Orme]

It might be worth checking if there's a firewall in the way blocking your
upstream audio and also the codecs setup on the cisco and in your asterisk
box ??  There's not a lot of detail here to go on, sorry.

On Fri, 16 Apr 2004, Craig Waddington wrote:

> When we receive or make a call to the outside - they can hear us, but we
> cant hear them.
> 
>  
> 
> It may work 1 of 20 times. I have set canreinvite=no  and looked at many
> sites but cannot track down this problem.
> 
>  
> 
> Current setup:
> 
>  
> 
> Isdn Eicon Diva card / Capi -> Asterisk --> network.
> 
>  
> 
> I have tried adjusting the RTP port in rtp.conf with the Cisco default
> ports, no luck.
> 
>  
> 
> Anyone had this problem, and has a fix?
> 
>  
> 
> Thanks.
> 
>