[asterisk-users] Re: Xen, Asterisk & ISDN: Timing Problems

[Arik Raffael Funke]

Thanks. What kernels do you use for dom0 and the domU's? Custom-built or 
out of the box?

- Arik


jason wrote:
> I would vote RAM. I've been using a FXO card in xen for a good year now 
> with no issues at all. In fact, my zttest timings are the same between 
> xen and native.
> Arik Raffael Funke wrote:
>> Hi,
>>
>> is anybody running asterisk on a xen domU and can give an opinion on 
>> the following:
>>
>> I have delegated a FritzCard and a HFC card to my domU and installed 
>> an asterisk setup that was running on the same isdn hardware but on a 
>> dedicated machine flawlessly.
>>
>> I experienced what I believed to be timing problems: sometimes calls 
>> on the Fritzcard did not seem to "reach" asterisk, when calls were 
>> being made, sometimes they were horribly distorted. I quickly 
>> abandoned the project at the time for lack of time. I would now make 
>> another trial.
>>
>> Can anybody tell me if the problems I was having were more likely to 
>> result from the fact that the isdn hardware was dedicated to the domU 
>> (i.e. maybe that produces some sort of bottleneck!?) or from too 
>> little ram allocated to my domU? (I believe I had 128 MB or so)
>>
>> Thanks,
>> Arik
>>
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>