[Asterisk-Users] PRI & BRI question

firedude at shorelinuxsolutions.com firedude at shorelinuxsolutions.com
Sat Jun 21 11:13:29 MST 2003


Thanks for the explanation.
AJ


On Sat, 21 Jun 2003, Steven Critchfield wrote:

> On Sat, 2003-06-21 at 07:39, firedude at shorelinuxsolutions.com wrote:
> > Greetings all,
> > As most of you probably know from my previous questions on the list, I'm 
> > still in the newbie category.  My question today is pretty brief, as I 
> > told you all a few weeks ago I ordered a PRI from Verizon.  I understand 
> > that there is a "B" channel that comes with this.  The question is just 
> > what can I use this "B" channel for and how??? 
> 
> PRI has 1 D channel and 23 B channels. The D channel is a data channel,
> bu this data channel is a point to point with your telco and is used to
> pass all the signalling data. The B channels are bearer and can bear
> voice or data. When a B channel is in data mode, it is basically a point
> to point 64K serial line. This is why there is a ZapRAS app in asterisk
> to turn a channel into a ISDN PPP link.
> 
> 
> 




More information about the asterisk-users mailing list