[asterisk-users] US T1 Hangup Detection

[Jay R. Ashworth]

On Fri, Jul 11, 2008 at 12:58:59PM -0700, Daniel Hazelbaker wrote:
> > Really?  You have an RJ-21X block that contains both analog AND T1
> > wires?  That's really uncommon.  I hope they at least put the red
> > special service caps on the T1 wires.
> 
> Yup.  I thought that pretty funny myself.  10 year old analog wires  
> running a digital T1. :)  And they do have some caps on them, I think  
> it was red but not 100% sure.

No, that's not the unusual part.  The unusual part is just that both
analog and digital services are on the same block.  Maybe it's a
regional think...

> I may have figured out the problem this morning, but I won't be able  
> to test for a few days (again, aggravating that the only T1 line I  
> have to test with is the live one).  I noticed this morning while  
> telneted into the Adtran that when I hangup on our normal incoming  
> lines the Receive A bit toggles.  I then noticed that two of the lines  
> do NOT toggle the RA bit during hangup.  These happen to the be last  
> two lines in the rotary so I would not normally get incoming calls and  
> complaints on them.  They also happen to be the lines I was using to  
> do my testing with. Grrr.
> 
> I called Verizon and opened a ticket for why those 2 lines are  
> behaving differently and that sounds like the problem, but I won't  
> know for sure until I can test and try calling on one of the lines  
> that does toggle the RA bit. As soon as I get that tested I will  
> report that, though I expect that should fix the hangup issue.

Aha!

Good luck with that.

Cheers,
- jra
-- 
Jay R. Ashworth                   Baylink                      jra at baylink.com
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