[Asterisk-Users] Server Specification

Rusty Shackleford john97 at flatline.com
Sat Jan 14 12:20:36 MST 2006


> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com 
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of 
> Code Lover
> Sent: Thursday, January 12, 2006 1:39 PM
> To: asterisk-users at lists.digium.com
> Subject: RE: [Asterisk-Users] Server Specification
> 
> 
> Hello,
> 
> Is the hardware specification is enough to get 300 simultaneous calls?
> 
> What should be the Bandwidth to get 300 simultaneous calls?

What do you mean by "get 300 simultaneous calls"? 

If you plan on using that platform as a PSTN gateway, using multiple
Digium TE4xxP cards, the answer is probably not. Assuming that you will
want to save on bandwidth costs by using a codec that provides a
substantial degree of compression (G.729), there's no way that the
spec'd box will transcode 300 channels. If Digium's (rather sparse)
dimensioning information is to be believed, you'd need three such boxes
to terminate that load. 

On the other hand, if your box will simply be serving as a gateway to
gain the significant bandwidth savings afforded by IAX2 trunking, and
relying on other hardware to actually terminate the calls, then yes, it
could do handle that load and more, since it is functioning as little
more than a router in that role.


IF you are able to use asterisk and take advantage of IAX2 trunking, and
using G.729, you could do 300 simultaneous calls with about 3 mbps. 




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