[asterisk-users] Hardware spec comparison

[Tim Panton]

On 5 Jun 2007, at 22:01, Adrian Marsh wrote:

> Yeah I've heard the same breaks in conversations myself.  It simply  
> goes
> silent for a few seconds - making both parties say the usual "sorry..
> Missed that can you say again?"...
>
> Connection quality via remote SIP (outside our network via  
> internet) can
> be terrible (using GSM), though obviously theres a whole bunch of  
> other
> issues there, so I'm focusing just on the internal network and IAX.
>
> Our connectivity to our IAX/PSTN provider is u-law, so should be ok  
> but
> isn't.
>
> What does -p do ?
>
> Adrian
>
> -----Original Message-----
> From: Tzafrir Cohen [mailto:tzafrir.cohen at xorcom.com]
> Sent: 05 June 2007 19:21
> To: Adrian Marsh
> Subject: Re: [asterisk-users] Hardware spec comparison
>
> On Tue, Jun 05, 2007 at 06:51:40PM +0100, 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.
>
> Can you verify those complaints?
>
> What codec do you use? I hope that ulaw/alaw and not some compressed
> codec.
>
>>
>> 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.
>
> try running asterisk with the option -p
>
>

That might be a bit memory light I'd put 1Gb in that box.
Take a look at vmstat and see if it is swapping.




Tim Panton

www.mexuar.net
www.westhawk.co.uk/