[Asterisk-Users] Calculating required bandwidth

[Matthew Boehm]

http://www.voip-info.org/tiki-index.php?page=Bandwidth%20consumption

A T1 set up for voice uses G711 at 64Kbps which at 1.544Mbps equals 24
channels. This is also known as a PRI.

-Matthew

----- Original Message ----- 
From: "Ed Greenberg" <edg at greenberg.org>
To: "Asterisk Users Mailing List - Non-Commercial Discussion"
<asterisk-users at lists.digium.com>
Sent: Thursday, December 16, 2004 11:45 AM
Subject: [Asterisk-Users] Calculating required bandwidth


> I was posed this question:
>
> A T1 set up for voice carries 24 conversations on a circuit that is 1.544
> megabits/second. Right?
>
> Well, if you set that T1 up to carry data and run a link between two IP
> networks over it, how many SIP conversations could it be expected to
carry?
> How about IAX?
>
> How would one extend this calculation to varying bandwidth circuits and
> various VOIP protocols (MGCP, SCCP and H323 come to mind)?
>
> Rather than asking for a full education here, can somebody point me at a
> suitable practical reference? Of course, if somebody wants to actually
post
> the answer that'd be fine too :)
>
> THanks,
> </edg>
>
>
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