[Asterisk-Users] Problem with chan_iax.c implimentationcausesbadaudio?

[Tim Panton]

On 21 Mar 2006, at 16:19, Adam Robins wrote:

> All switches and routers give highest priority to traffic on IAX2 port
> 4569.  We use DSCB values over the IP-VPN to prioritize it as well.
> This did not change with the upgrade, as we can still see proper  
> packet
> coding.
>
> The softphone is provided by our vendor Aheeva.  It is the same IAX2
> softphone they use in their own call centers.  Funny thing is that  
> they
> say that moving to Asterisk 1.2.4 tremendously IMPROVED their call
> quality with IAX2.
>
> Headsets are Plantronics H251N tops with DA60 USB adapters.  All
> Desktops are at least 2.0 GHz P4 with 512MB RAM

I don't suppose you have an ethereal packet capture from a
bad call ???

Or a description of the 'badness'?

I'm doing stuff in IAX2 at the moment and might be able to spot a  
problem.

Tim.

Tim Panton
tim at mexuar.com