asterisk users - Mar 2004 - Zap channels stuck in 'Rsrvd' state

I have two Adtran 750's connecting our analog phones to asterisk.  On
occasion, I get a channel that gets "stuck" off hook.  'show
channels'
shows:

Zap/27-1  (longdistance s  1  )  Rsrvd (None)  (None)

And will just stay like that until the phone is manually picked up and
hung up again (or asterisk is stopped/started).  I guess this is a
function of an unclean hangup (being read as a flash instead of a
hangup?).  A 'soft hangup zap/27-1' will not do anything (though it
makes
an attempt).

Does shortening the rxflash time sound like it may help this?  (Does
anyone have a good explanation, or link to one, of the prewink, wink,
preflash, flash, start, rxwink, rxflash, debounce timing functions?)

Thanks, as always...
Steve

I've just started having the same problem here today.  I did and upgrade
over the weekend to

Zaptel-0.9.0 and the release candidate for Asterisk-1.0 CVS 3/28/04.

I have 6 Adtran 750 FXS_KS for all channels.  1 T-1PRI and one EM_W T-1.


-sb




-----Original Message-----
From: asterisk-users-admin@lists.digium.com
[mailto:asterisk-users-admin@lists.digium.com]On Behalf Of Steve Creel
Sent: Monday, March 29, 2004 2:15 PM
To: asterisk-users@lists.digium.com
Subject: [Asterisk-Users] Zap channels stuck in 'Rsrvd' state


I have two Adtran 750's connecting our analog phones to asterisk.  On
occasion, I get a channel that gets "stuck" off hook.  'show
channels'
shows:

Zap/27-1  (longdistance s  1  )  Rsrvd (None)  (None)

And will just stay like that until the phone is manually picked up and
hung up again (or asterisk is stopped/started).  I guess this is a
function of an unclean hangup (being read as a flash instead of a
hangup?).  A 'soft hangup zap/27-1' will not do anything (though it
makes
an attempt).

Does shortening the rxflash time sound like it may help this?  (Does
anyone have a good explanation, or link to one, of the prewink, wink,
preflash, flash, start, rxwink, rxflash, debounce timing functions?)

Thanks, as always...
Steve
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Good Evening

I found your post about this problem.  Did you ever find a "fix" for
it?  I'm experiancing the same
problem.  

Thanks.


Quoting Steve Creel <screel@turbs.com>:
> I have two Adtran 750's connecting our analog phones to asterisk.  On
> occasion, I get a channel that gets "stuck" off hook.  'show
channels'
> shows:
> 
> Zap/27-1  (longdistance s  1  )  Rsrvd (None)  (None)
> 
> And will just stay like that until the phone is manually picked up and
> hung up again (or asterisk is stopped/started).  I guess this is a
> function of an unclean hangup (being read as a flash instead of a
> hangup?).  A 'soft hangup zap/27-1' will not do anything (though it
makes
> an attempt).
> 
> Does shortening the rxflash time sound like it may help this?  (Does
> anyone have a good explanation, or link to one, of the prewink, wink,
> preflash, flash, start, rxwink, rxflash, debounce timing functions?)
> 
> Thanks, as always...
> Steve
> _______________________________________________
> Asterisk-Users mailing list
> Asterisk-Users@lists.digium.com
> http://lists.digium.com/mailman/listinfo/asterisk-users
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-users
>