[Asterisk-Users] Scalability of chan_oh323

[Michael Manousos]

Alistair Cunningham wrote:
> I have a customer who wants to do large volumes of H.323 to H.323 
> hairpinning. We haven't tested this scenario for large volumes before; 
> maybe someone on asterisk-users has.
> 
> If they buy a top of the line PC, how many concurrent calls are we 
> likely to get? Routing logic will be simple, the machine won't be doing 
> anything else, and let's assume no transcoding for now.
> 
> We're not looking for an exact figure at this point, just a rough 
> estimate for cost / benefit of Asterisk versus a proprietary system.
> 

Currently, without transcoding, you can get maximum 100 simultaneous
H.323 channels per box. With the next release of asterisk-oh323 this
number will be raised to ~180 channels. After that, major optimizations
at the OpenH323 RTP/jitter buffer code are required to push this number
up.

Michael.