[Asterisk-Users] HELP - ! No D-channels available!

[Julian Lyndon-Smith]

I've gotten a cross-over cable (is that a loop-back?) but what is a 
pattern test ?

Julian.

George Pajari wrote:
> 
>>>> Nov 22 09:54:38 WARNING[27920] chan_zap.c: No D-channels available!
>>>> Using Primary channel 16 as D-channel anyway!
>>>
> 
> We have also seen this on T1/PRI cards that are about to go south (i.e 
> fail).
> 
> We would also recommend putting a loop-back connector into your Digium 
> card and running pattern tests to make sure the card is functioning 
> properly.
>