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

[Julian Lyndon-Smith]

Hmmm.

After a few hours (with several drops per hour) a BT man turned up at 
the exchange, fiddled and monitored for an hour, and declared he could 
find nothing wrong.

Funny thing is that we have had no errors since ...

Julian.

C F wrote:
> I have had the same issue with a PRI connected from asterisk to an
> avaya system, it first worked fine, but then started doing this, what
> is happening is that the D-channel is getting reset for some reason (I
> have no clue why, but I was able to reproduce it between the avaya,
> when CID Name was longer than 15 characters, but I know that is not
> the problem and it is still happening, so I'm assuming it's an avaya
> problem). Other then that I have no clue how to troubleshoot it, you
> should have BT test the line for you to see if they can see something
> wrong with it.
> 
> On 11/22/05, Julian Lyndon-Smith <asterisk at dotr.com> wrote:
>> We've had no problems for a few weeks running "Asterisk
>> CVS-D2005.10.28.07.54".
>>
>> However, this morning, we're getting users complaining that they were
>> cut off - and I found these in the logs. This has happened 5 times this
>> morning, and there is an entry in the log at the appropriate time.
>>
>> Is this a BT issue ?
>>
>> EuroISDN with a TE405P.
>>
>> Julian.
>>
>> Nov 22 09:53:29 WARNING[27920] chan_zap.c: No D-channels available!
>> Using Primary channel 16 as D-channel anyway!
>> Nov 22 09:53:31 WARNING[27920] chan_zap.c: No D-channels available!
>> Using Primary channel 16 as D-channel anyway!
>> Nov 22 09:53:37 WARNING[27920] chan_zap.c: No D-channels available!
>> Using Primary channel 16 as D-channel anyway!
>> Nov 22 09:53:37 WARNING[8519] app_dial.c: Unable to forward voice
>> Nov 22 09:53:37 WARNING[8505] app_dial.c: Unable to forward voice
>> Nov 22 09:54:34 WARNING[27920] chan_zap.c: No D-channels available!
>> Using Primary channel 16 as D-channel anyway!
>> Nov 22 09:54:34 WARNING[8678] app_dial.c: Unable to forward voice
>> Nov 22 09:54:37 WARNING[27920] chan_zap.c: No D-channels available!
>> Using Primary channel 16 as D-channel anyway!
>> Nov 22 09:54:38 WARNING[27920] chan_zap.c: No D-channels available!
>> Using Primary channel 16 as D-channel anyway!
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