[asterisk-users] Choppy Sound On Bridging From SIP->IAX

[Sam]

Muiz Motani wrote:
> I am experiencing choppy sound when I bridge from a SIP peer to an IAX
> peer. I am running Asterisk 1.4.13 on a 2.6.22.9 kernel (Fedora). I am
> experiencing choppy sound from the SIP peer to the IAX peer but not
> vice-versa. I know that this is not a bandwidth issue because I don't
> have choppy sound (with the same codec) when bridging IAX->IAX peers or
> SIP->SIP peers. My timing source is ztdummy.
> 
> Does anybody have any ideas on the possible source of the problem?
> 
> 


All of my chopping problems where because of firewalls and a few of them 
I never figured out but they magically started working right.  Can you 
check any firewall logs for dropped packets?