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Re: estimating VoIP data traffic size from VoIP signaling traffic size ?

daemon@ATHENA.MIT.EDU (Peter)
Sun Oct 23 08:44:51 2005

To: nanog@nanog.org
From: abuse@cabal.org.uk (Peter)
Date: Sun, 23 Oct 2005 12:44:17 +0000 (UTC)
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Blaine Christian <blaine@blaines.net> wrote:
[...]
> Use about 100k per call for 711u and it will help make the numbers
> nice and round.

It's something like about 80kb/s (each way) for a single G.711 call
over IAX2. Extra channels will take 80kb/s if you're not using
trunking, or 64kb/s if you are. It's probably best to not assume
trunking is in use when doing your calculations.

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