[Asterisk-Users] Calculating required bandwidth

Durval Menezes durval at tmp.com.br
Fri Dec 17 02:00:30 MST 2004


Hi,

> >> 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 :-)

Are you sure? As far as I know, E1 is 30 + 2, not 1...

Best Regards,
-- 
   Durval Menezes (durval AT tmp DOT com DOT br, http://www.tmp.com.br/)



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