The two-channel ISDN is called Basic Rate ISDN, and it's a smaller cheaper
version of the Primary Rate ISDN (PRI).
With a BRI, you have two B-Channel (each 64kbps) and one D-Channel (16kbps).
It's very common in Germany, Spain and other european countries, as reliable
low-cost low-bandwidth data solution or as a replacement for two POTS lines
with much better voice quality and added services. You can even get a DSL
over a BRI line...
I didn't know you could add more channels to a BRI... maybe what they
offered you is just adding more BRI ISDNs, and not adding more channels to
your BRI. Or maybe they're offering you a PRI with only two channels active
and they activate it on-demand...
----- Original Message -----
From: "chawki hammoud" <[EMAIL PROTECTED]>
To: <Asterisk-Users@lists.digium.com>
Sent: Saturday, May 21, 2005 12:14 PM
Subject: [Asterisk-Users] Help Understanding ISDN Channels
Hi:
The phone company here use Europe telephone system.
They offere ISDN lines with multiple channels,
starting with two and they add channels on demand.
Am I write to understand ISDN of more like E1 or T1
line. If not, what's the difference.
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