This is an update to my original 2013 article on this topic:
http://www.evaristesys.com/blog/kamailio-as-an-sbc-five-years-on/
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Alex Balashov | Principal | Evariste Systems LLC
Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free)
Web:
http://www.evaristesys.com/,
http://www.csrpswitch.com/