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2015 Mar 02
4
Problems with the voice quality under load
B.H.
Hello, all :-)
We have a cluster of Asterisk (v. 11.9) servers that host IVR applications.
The servers work behind SIP proxy (kamailio) for load balancing.
All servers are in 2 processor configuration, 8-10 cores per CPU.
When a particular server gets about 500 concurrent calls, the sound quality
begins to degrade, the sound plays slowly and with clicks. As far as i
understand, it's