[asterisk-users] Sound breaking. Because of Tormenta2 PRI Interface Card or something else

[Tim Panton]

On 1 Nov 2006, at 22:47, Zeeshan Zakaria wrote:

> Hi everybody,
>
> I need to know about sound quailty issues from those who have  
> experience with Tormenta2 PRI Interface. Also how to make it work  
> with new versions of Asterisk and Zaptel. And also  suggestion if  
> it is a good idea to switch to some newer card from Sangoma or  
> Digium, or Tormenta should work fine.
>
> I have sound breaking many times a day over the trunks. Server is  
> AMD Athlon 2.4 GHz with 512MB RAM. Serial ports, parallel port and  
> other unnecessary things on the motherboard are disabled. People in  
> the office don't talk much with each other over the extensions, so  
> can't say the performance of the system over the local network, but  
> incoming and outgoing calls start giving trouble few times a day  
> and people do complain about it.
>
> I was thinking if it was because of the linux kernel, which is  
> 2.4.21-32.EL on CensOS 3, or because of the Tormenta PRI Interface  
> card. There is no major use of the Internet in the office. Server  
> is strong enough to handle calls. And there are never more than 3,4  
> calls at a time. In fact breaking of sound can happen when only one  
> person is in the office and only one phone is being used.
>
> Please help before I start buying new stuff to replace some of the  
> existing stuff, just to find out that it didn't help anyways.
>
> Thanks
>

Sounds like a clock slip problem on your PRI interface - what is in your
zaptel.conf ?

Tim Panton

www.mexuar.com