Are the phones behind a NAT? What is the processory memory size? Are the E1 channelized?
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From: <[EMAIL PROTECTED]>
> I should add that thease 25 calls where SIP (internal) to Zap (PSTN) calls.
>
> Mvh,
> Jan
>
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> Skickat: den 4 juli 2006 09:41
> Till: [email protected]
> Ämne: [Asterisk-Users] Running 40 active calls (too much för CPU?)
>
> Hi,
>
> We're running asterisk 1.2.1 on a Dell PowerEdge 600SC (2.4 ghz) server
> connected to the PSTN through two E1 pipes to a TE405P. This has been running
> just fine for several months...
>
> But yesturday we connected a large number of softphone SIP clients (50) and 25 < BR>> ; of these where running simultaneous active calls on the INTERNAL ethernet using
> g711 (ulaw). We noticed that the sound was jagged just as if the CPU couldn't
> handle 25 calls (?!).
>
> I checked the CPU load and it never went over 55 % and memusage was low too.
>
> Does anyone know what could be the problem? Are there some kind of CPU spikes
> that make these cuts in the audio? If so, why on earth can't a 2,4 ghz processor
> handle 25 low-quality audio "tracks" on asterisk when I can run +50 cd-quality
> audio tracks when producing music?
>
> ANY help and/or comments would be appreciated since this is quite an acute
> problem.
>
> Regards,
> Jan
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