[55776] in North American Network Operators' Group

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RE: VoIP QOS best practices

daemon@ATHENA.MIT.EDU (Bill Woodcock)
Mon Feb 10 15:45:12 2003

Date: Mon, 10 Feb 2003 12:42:11 -0800 (PST)
From: Bill Woodcock <woody@pch.net>
To: Charles Youse <cyouse@register.com>
Cc: "Alec H. Peterson" <ahp@hilander.com>, <nanog@nanog.org>
In-Reply-To: <BCAAA5D64C837641A9EBB93E2A508948D516D3@ex2k01.corp.register.com>
Errors-To: owner-nanog-outgoing@merit.edu


    > 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



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