This depends on the type of signalling you use!
ISDN uses only 1 D channel that is chan 16 for EuroISDN. All other
variants of ISDN (Q.Sig, 1TR, DPNSS, PSS1 etc) I know do the same.
SS7/C7 is a different story as they can use up to 30 'links', but the
most common is actually still 1 link at
Hey folks,
I have my linuxbox connected to a PBX through a digium te110p card, E1 line.
The asterisk is set up to be the timing master for the line.
recently run into the following error message when starting asterisk:
The message:
-
== Primary D-Channel on span 1 down
Dec 7 11:34:02
If I remember correctly an E1 has two D-Channels. Check your notes on
what channels 31, 32 really do.
On 12/7/05, Laszlo Megyer [EMAIL PROTECTED] wrote:
Hey folks,
I have my linuxbox connected to a PBX through a digium te110p card, E1 line.
The asterisk is set up to be the timing master
E1 PRI has only one D channel and it is correctly defined as channel 16
in this config. You probably just need a T1/E1 crossover between
asterisk and the PBX. Just cross pin one with four and two with five.
I have even cut a cat5 cable, stripped the wires and crossed the pins
appropriately and
