[Asterisk-Users] Calculating required bandwidth

Jim Van Meggelen jim at vanmeggelen.ca
Fri Dec 17 00:32:39 MST 2004


asterisk-users-bounces at lists.digium.com wrote:
> asterisk-users-bounces at lists.digium.com wrote:
> 
>> asterisk-users-bounces at lists.digium.com wrote:
>>> I was posed this question:
>>> 
>>> A T1 set up for voice carries 24 conversations on a circuit that is
>>> 1.544 megabits/second. Right?
>> 
>> Yes and no. If the T1 is channelized, then yes. If it's a PRI
>> circuit, then it has only 23 channels to carry voice, as the 24th
>> channel is used for the D-channel (signalling channel).
> 
> Only if you're in the US. We have 30 + 1 :-)

Nope. I'm in Canada.

And what you are referring to is an E1, not a T1.





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