[erlang-questions] SIP server

[mog]

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Vlad Balin wrote:
> Hello.
> 
> I've got following problem - need to design fault-tolerant SIP IP-PBX
> without single point of failure. We need to tolerate HW failure of
> single server. Which approach would you suggest? IP address migration,
> or there are other ways if we dealing with SIP?
> 
The best way would be using something like carp or vrrp and an otp based
server, with much of the call state and rtp info stored in mnesia across
machines.  Its a very complicated problem, I have been looking in to
doing something similar with iax2 another voip protocol but it is not
for the weak of heart.

Mog

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