> > Asterisk needs urgently to push the RTP engine to the Kernel, away from > userland, like professional and commercial softwares do. I measured the > cost of passing call from a public IP to a private IP, like typically a > Session Border Controller may do. In Asterisk, ulaw, no transcoding, it > takes 1.7% of a 3 Ghz core. If the packets where flowing through the > kernel, like iptables does, it would take 10% if the CPU. Asterisk then > could be used in hundreds of different roles in the enterprise. PJSIP has > no importance at all, this is the big issue. I suggest the developers look > at an open-source package and adapt the code, is called rtpengine. It uses > a kernel module to do the job.
Philip
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