Peter Svensson wrote:
On Wed, 1 Dec 2004, Steve Underwood wrote:
Patrick wrote:
I'm running an Asterisk 1.0 server with 4 HFC cards and bri-stuff behind an
"Anlagenanschluß" with 8 B-channels in Germany. It worked fine with Deutsche
Telekom, but since we switched to Arcor nothing works at all.
After some debugging, I called Arcor helpdesk who told me that they do not
have a D-Channel and cannot signal one at my request either.
Is it possible to use Asterisk without a D-Channel? What should my
zaptel.conf and zapata.conf look like?
Sure its possible. It isn't much use, though :-)
The D channel carries the signalling. No D channel, no call control. You
just have 8 open, but useless voice channels.
Maybe he has NFAS (Non Facility Associated Signalling) where the D channel
on one of the BRI lines handles the signalling for the B channles on all 4
BRIs.
There is support for NFAS in Asterisk via "trunkgroups" in the zapata.conf
config file. I have no idea if this works for bri-stuff as well. It may,
since both are zapata devices.
I think NFAS would be a pretty unusual thing for BRI. However, he said
he has *no* D-channel. With NFAS he would have at least one.
Steve
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