[asterisk-users] Hardware spec comparison

[Gordon Henderson]

On Tue, 5 Jun 2007, Adrian Marsh wrote:

> All,
>
> I've a question on A*k hardware.
>
> I'm running 1.2.18 on a Dell DC051 (Intel(R) Celeron(R) CPU 2.80GHz)
> with 512mb RAM.
> I'm supporting 60 users (Cisco 7940s each + Xlite PCs).
> Call loads are low, max of about 10 simultaneous SIP/IAX calls.
> CPU for A*k rarely goes above 2% as I can tell.
> Its IP only, no E1/T1 cards present.
>
>
> However, I get complaints of bad voice quality, especially on IAX2
> calls, silences etc.
>
> I'm wondering whether or not the machine needs a faster CPU, something
> like a Duo, as I can't find any faults anywhere else that might cause
> these blips.
>
> But the 2% CPU usage seems to suggest it shouldn't.

One thing that's been mentioned in the past is the accuracy of the timing 
source. I'm presuming you have ztdummy loaded... No first-hand experiences 
of badness with just ztdummy and that sort of call load myself though...

Gordon