[Asterisk-Users] Call quality problems

[Michael Welter]

Doug Lytle wrote:
> Michael Welter wrote:
>> I'm having difficulty with an Asterisk system.  The external party has 
>> very good call quality, but the internal party hears clipping and drop 
>> outs.
>>
> 
> RX Gains too high
> IRQ sharing of the of the ZAP device

There is no ZAP device (it is a SIP-only implementation) and there are
no interrupts being shared.

> High load of the machine

The machine is totally idle.

The T1 vendor noticed 2% packet loss during a ping flood originating
from outside.  We changed the Cisco IAD, and there is no longer packet
loss, but we still have the clipping.

Asterisk 1.2.4.



-- 
Michael Welter
Telecom Matters Corp.
Denver, Colorado US
+1.303.414.4980
mike at TelecomMatters.net
www.TelecomMatters.net