[asterisk-users] low-level dump for PRI dchan debugging

[Jerry Jones]

On Aug 9, 2007, at 9:37 AM, Erik Anderson wrote:

> On 8/6/07, Erik Anderson <erikerik at gmail.com> wrote:
>> I've been going back and forth with my telco for several days, trying
>> different configurations to get a new PRI to come up.  The bchannels
>> are all up and the T1 is not in alarm status.  The dchannel  
>> refuses to
>> come up however.  We've tried ni2, qsig, and now dms100 for the
>> switchtype.  The telco tech I've been working with says that he's  
>> been
>> sending "reset all channels" signals to my system, to which he's
>> getting an "establish remote" response from my asterisk box.  I've
>> been running a packet dump (wanpipemon -i w1g1 -c trd) of my d- 
>> channel
>> this whole time and have yet to see a single incoming packet.  I
>> believe I *should* be seeing an incoming packet when he sends the
>> reset, correct?  Is there any way to do a completely raw dump of the
>> d-channel?
>
> Thanks to everyone who offered suggestions on how to troubleshoot this
> issue.  After working with the telco for over a week on this, I
> finally got them to admit today that they have a configuration
> problem.  I had been telling this since day 1, but they didn't listen
> to me.  Their change in perspective came when they had a tech come
> on-site with a PRI emulator device.  He connected that directly to my
> asterisk server and was able to make calls with no issues whatsoever.
> Fortunately after this final test, they admitted that the problem must
> be on their end.  Hopefully they'll get it sorted today.
>
> As an aside, I had a quick question regarding smartjacks.  Is there a
> jumper or something on the smartjack itself to change from an
> old-style E&M T1 to a PRI?  I'd think that change would happen in the
> telco's switch, but I just thought it might be a possibility.  In my
> case, as I stated in my original email, the bchannels come up fine,
> but not the dchannel.  This makes me think it could be something
> simple...

It will be something simple, like getting a clueful tech on their end.

No the smart jack has no bearing on d channel.

Old style or new style the T1 is used however the gear on either end  
says it should be. The smart jack just passes info through itself.