[asterisk-biz] Big PBX

[Alistair Cunningham]

Ignacio,

We have some Enswitch (which uses Asterisk and SER for telephony) 
customers with up to 60000 users. To achieve this requires a substantial 
cluster. A cluster of this size requires substantial planning, but 
smaller clusters for hundreds or thousands of users are described at:

http://integrics.com/products/enswitch/guides/latest/en/system/architecture/

We normally find that 200 SIP concurrent calls (assuming a decent mix of 
codecs, less if all G.729) or 4 E1s/T1s per Asterisk machine is a 
reasonable limit.

If you go with a cluster you're going to need to think about to handle 
having calls on multiple Asterisk machines with regards to things like 
failover, conferencing, queues, etc, or else use a package such as 
Enswitch or one of the other turnkey packages that have solved these 
problems.

Alistair Cunningham
+1 888 468 3111
+44 20 799 39 799
sip:acunningham at integrics.com
http://integrics.com/


Ignacio Ramos wrote:
> Any benchmarks or experiences in having Asterisk as a PBX with more
> than 200 extension, 3 ACD, etc...
> 
> Thanks for any information
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