[VoiceOps] Load balancing SIP
abalashov at evaristesys.com
Tue Apr 19 17:36:55 EDT 2016
Kamailio provides an excellent and high-performance vehicle for doing
this. It's probably one of its most canonical use-cases.
You can do it in one of two ways:
1) Use Kamailio as a redirect server with some state.
But this is the more complicated option, and requires that the
registering endpoints follow redirects for REGISTER requests, which they
2) Use REGISTER pass-thru with the SIP Path extension:
Kamailio has a specific module for this:
... and it works great. With a simple config that doesn't have a lot of
external I/O dependencies, you can handle tens of thousands of
registrations per second, at least.
Alex Balashov | Principal | Evariste Systems LLC
1447 Peachtree Street NE, Suite 700
Atlanta, GA 30309
Tel: +1-800-250-5920 (toll-free) / +1-678-954-0671 (direct)
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