Re: [Xen-users] AsteriskNOW on Xen Choppiness

[Ian Murray <murrayie@xxxxxxxxxxx>]

I'll Reply to both Ian and Ben....




> Ian Tobin said the following:
> > Hi,
> > 
> > Just curious, are you using this for IP related calls only, no analogue etc?
> > 

Just IP, but I did use an X100p clone with PCI-passthrough. When the car dis 
not present, it is saying that it is using the dummy timer. When in and passed 
through, it recognises it and configures it.


> >  
> If you are using Zaptel hardware for an analogue line (ie a TDM400 or similar 
> card) you will not get the interrupt performance required for reasonable call 
> quality.  I fought this long and hard a couple years ago.  There is a 
> utility, I 
> forget its name off-hand, that will test the interrupt performance for the 
> Zaptel hardware.  voip-info.org should have information on it.

Although the zt hardware was present for timing purposes, no calls went over it 
though. I will abandon my plans to use a domU with a TDMA clone, using 
passthrough.  

> 
> If you are in a pure voip situation, where all call traffic is handled over 
> the 
> network and not with hardware interfaces, you should be able to use a DomU 
> without much difficulty.  The one gotcha is that you will need to use the 
> dummy 
> Zaptel timing device for conference calling and music on hold to work 
> properly.

Fine for me, but my brother's setup needs hardware, so will probably go 
bare-metal for that. Ho hum

Thanks for the previous replies,

Ian





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