[asterisk-users] "scratchy" sound on TE410P

[Russ Meyerriecks]

On 11/11/10 7:23 PM, Carlos Chavez wrote:

> 	I seem to be having the same problem with a new server.  I am using a
> TE220 with a VPM450 module.  Using Dahdi 2.4.0 and Asterisk 1.6.2.13 on
> a Dell server.  All calls to the outside have bad voice quality (echo
> and distortion).  Internal calls between extensions sound fine.
>
> Dahdi_main for Span 2 (20 days uptime).
>
> Span 2:
>> FEC : 103:
>> CEC : 0:
>> CVC : 0:
>> EBC : 0:
>> BEC : 0:
>> PRBS: 72:
>> GES : 4054:
>
> Span 2: TE2/0/2 "T2XXP (PCI) Card 0 Span 2" (MASTER) HDB3/CCS
> 	Timing slips: 1566

With framing errors and slips it could be a timing issue.

Let's see your /etc/dahdi/system.conf

-- 
Russ Meyerriecks
Digium | Linux Kernel Developer