[asterisk-users] Resolved: PRI problems - no D channel

Thu Aug 17 17:08:05 MST 2006

Glad you fixed your problem...
My luck is I waste hours trying to find a problem on my side and it ends up 
always being the provider LOL.

----- Original Message ----- 
From: "Ron Gage" <ron at rongage.org>
To: "Asterisk Users Mailing List - Non-Commercial Discussion" 
<asterisk-users at lists.digium.com>
Sent: Thursday, August 17, 2006 9:01 PM
Subject: Re: [asterisk-users] Resolved: PRI problems - no D channel

>I wish to thank everyone for their assistance and input into this PRI issue 
>I was having.
>
> The problem was the Adtran - one of the PRI channels on it (the one I was 
> plugged into - lucky me) went bad.  Moving me to another channel on the 
> Adtran fixed the problem.
>
> Thanks again for all your help!
>
> Ron
>
> Bill Gibbs wrote:
>> I know but you could save some time and have it tested while
>> waiting...they might find a problem and save you a lot of headache.  I
>> can tell you are one of the rare people who actually checks their stuff
>> before calling anyone but like another posted said, D Channels tend to
>> be provider related for some reason!
>>
>> -----Original Message-----
>> From: asterisk-users-bounces at lists.digium.com
>> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Ron Gage
>> Sent: Thursday, August 17, 2006 3:29 PM
>> To: asterisk-users at lists.digium.com
>> Subject: RE: [asterisk-users] PRI problems - no D channel
>>
>> Quoting Bill Gibbs <bgibbs at edurotech.com>:
>>
>>
>>> What does the telco say when they test the circuit?
>>>
>>> Bill
>>>
>>>
>>
>> Bill:
>>
>> I am having my "remote hands" check first on the Adtran that is feeding
>> the
>> Asterisk box, then then go upstream from there.
>>
>> Thanks for helping me see the obvious path to follow!  :)
>>
>> Ron
>>
>>
>>
>>> -----Original Message-----
>>> From: asterisk-users-bounces at lists.digium.com
>>> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Ron Gage
>>> Sent: Thursday, August 17, 2006 2:32 PM
>>> To: asterisk-users at lists.digium.com
>>> Subject: Re: [asterisk-users] PRI problems - no D channel
>>>
>>> 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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>>>
>>
>>
>>
>> Ron Gage - Westland MI
>> ron at rongage.org
>>
>>
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