[Asterisk-Users] Re: Polycom sound quality problems

[Max W Blackmer Jr]

>
> I don't see any way to tell the Polycom to "ignore" QoS.  It's mainly
> routers and switches that pay attention to QoS, the phone would just set
> QoS on its outgoing packets.  Anyway, here's what's in the QoS section-
> it all seems to be related to sending packets:
>

It is not in the transport if it is sounding bad.... look and see if
there is any transcoding occuring from the IAX to the SIP. What codecs
are accepted on the AIX should be the Same codecs accepted on the SIP
channel ... and what codects are being used on each phone. This sounds
like a transcoding issue.