[Asterisk-Users] Server Load/Capacity

[tim panton]

On 23 Jun 2005, at 10:48, Waldo Rubinstein wrote:

> I'm trying to figure out how much call load I can put on a Dual  
> Xeon 2.4 Ghz Asterisk server acting strictly as an IAX2 call  
> director, as show in the diagram below.
>
> The idea is that I have N number of gateway asterisk servers  
> connected to the PSTN using T1 Digium boards. Then, I have M number  
> of servers where my agents and/or telephone extensions (whether  
> they are IAX or SIP hard/soft phones). What I'm trying to  
> accomplish is put a server in between these two groups of machines  
> which will simply be able to "intelligently" route calls in either  
> direction. This "call director" server will only use IAX2 (ulaw) to  
> minimize any transcoding and "alleviate" load.
>
> Under this scenario, does anyone have any idea how many calls this  
> "call director" server may be able to handle/direct?
>

At Astricon the man from Signate showed some benchmark results which  
indicated
a 'stock' PC server could do 122 ulaw SIP passthrough calls at  
acceptable
call quality.
Their own-brand servers can do > 2k (If I remember right).

However I think you should look into Dundi - used correctly with a
clear dialplan you may be able to get rid of the director and
have a cloud of dundi peers instead.

Tim.