nanog mailing list archives

RE: VoIP QOS best practices


From: Bill Woodcock <woody () pch net>
Date: Mon, 10 Feb 2003 12:42:11 -0800 (PST)


    > Speaking of codecs, what are the primary variables one uses when
    > choosing a codec?  I imagine this is some function of how much
    > bandwidth you want to use versus how much CPU to encode the voice
    > stream.

Yeah, if you're operating in the modern world, your tradeoffs are audio
quality, bandwidth utilization, and DSP resource utilization.

If you're in the circuit-switched world, add in cost of software loads
which contain the CODEC you want.

                                -Bill



Current thread: