[asterisk-users] PRI problems - no D channel

[C F]

Did you actualy pull the power cable on the box? or just have it off
for a while? you should let it sit for like 2 minutes without *any*
power whatsoever. Not just in off state.

On 8/17/06, Ron Gage <ron at rongage.org> wrote:
> Quoting C F <shmaltz at gmail.com>:
>
> > My guess is it's some Intel mobo.
> > Did you restart the system since? If you did that might be the
> > problem, try restarting and unplug the power for at least 60 seconds
> > before powering it back up.
>
> That was the first thing I tried:  first trying to unload/reload the
> wct1xxp and
> zaptel modules, then reload them, then tried rebooting the computer (multiple
> times), then this morning, I gave it a 30 minute time out.  No effect - still
> getting the D-chan errors.
>
> Unfortunately, the system is some 90 miles north of here so I can't verify if
> anything on the Adtran has changed or not (or reseat cables).  My remote hands
> aren't available right now either so I can't verify anything regarding the
> circuit at this time.
>
> The fact that I am not getting any error reports at all about the transport
> (HDLC type errors) tends to make me think that the circuit is fine.  I would
> have to imagine that if the channel switched from PRI to T1 it would throw all
> kinds of errors.  Same thing if the signaling or buildout or what not was
> incorrect.
>
> The only errors I am seeing are the ones about the D channel not being there,
> and one (probably quite related) about "head of queue has not been transmitted
> yet".
>
> Ron
>
> >
> > On 8/17/06, Ron Gage <ron at rongage.org> wrote:
> >> The PRI is connected at one end to an Adtran Atlas, I believe a 600.
> >> The other end of the PRI is connected to a Digium T100.  The two are
> >> seperated
> >> by roughly 10 foot of cat-5.
> >>
> >> Motherboard is whatever Dell put into their Precision 530MT line of
> >> workstations.
> >>
> >>
> >> Like I said, it worked just fine yesterday and today I am getting D-Channel
> >> errors.
> >>
> >> Thanks for your assistance!
> >>
> >> Ron
> >>
> >>
> >> Quoting C F <shmaltz at gmail.com>:
> >>
> >> > What is the PRI connected to:
> >> > What hardware for the T1?
> >> > What Motherboard?
> >> >
> >> > On 8/17/06, Ron Gage <ron at rongage.org> wrote:
> >> >> Hey guys:
> >> >>
> >> >> I am having a bit of a problem with our PRI under Asterisk.  I am
> >> seeing the
> >> >> following error every 10 seconds...
> >> >>
> >> >> Aug 17 08:54:55 WARNING[2458]: chan_zap.c:2289 pri_find_dchan: No
> >> D-channels
> >> >> available!  Using Primary channel 24 as D-channel anyway!
> >> >>
> >> >> Of course, I have the d-chan defined in /etc/zaptel.conf...
> >> >>
> >> >> loadzone = us
> >> >> span=1,1,0,esf,b8zs
> >> >> bchan=1-23
> >> >> dchan=24
> >> >>
> >> >> Neat thing is: this worked yesterday and isn't working today
> >> (Asterisk isn't
> >> >> answering the PRI on any inbound DID).
> >> >>
> >> >> zttool shows no problems with the T100 and no alarm conditions.
> >> The PRI is
> >> >> being drove by an Adtran Atlas.
> >> >>
> >> >> HELP!
> >> >>
> >> >>
> >> >> Ron Gage - Westland MI
> >> >> ron at rongage.org
> >> >>
> >> >>
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> >>
> >>
> >>
> >> Ron Gage - Westland MI
> >> ron at rongage.org
> >>
> >>
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>
>
> Ron Gage - Westland MI
> ron at rongage.org
>
>
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