asterisk users - Jun 2006 - bristuff hangup issue

hi,

Just wanted to inform everyone, if you're using the latest bristuff's
you might (depends on the country!) have hangup issues.

The issue appears every time you dial an external number, and hangup
after letting it ring for a few times. Then the remote party keeps
ringing.

In some situations (we only encountered this while dialing to other *
servers) it keeps the line open on the telco-side. Meaning.. you pay
for it! The cdr on the calling asterisk (with the bug) doesn't
indicate a long connection time. However, the cdr on the called
asterisk does.. (I've seen several durations of over 20 hours) A show
channels doesn't indicate any active calls.

A quick fix has been posted a while ago by Marcel van der Boom (in
libpri/q931.c), this works. According to the release notes this should
have been applied to the latest bristuff, but be careful, the problem
still exists on bristuff-0.3.0-PRE-1q.

I have emailed junghanns.net to let them know.

Best regards,

stoffell

2006/6/29, stoffell <stoffell@gmail.com>:
> I have emailed junghanns.net to let them know.
>
> Did they acknowledge the issue ?
"The issue appears every time you dial an external number, and hangup
after letting it ring for a few times".
Is it really every time ?

Cheers
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> A quick fix has been posted a while ago by Marcel van der Boom (in
> libpri/q931.c), this works.
The fix works, but it creates another bug afaik. Once you apply the "q31.c 
ourcallstate/peercallstate patch" as I call it, the line gets hung up 
normally, but for some odd reason all the scripts in the hangup extension 
won't run. So be aware of that.

Quote from Marcel:

-----------
I've done a bit more testing and in our install the patch seems to
cause an issue with the 'hangup' (h) extensions. We use this to
convert incoming faxes to pdf and send them off through mail after
the sending fax machine hangs up.  The hangup extension is never
reached so that bit of our dialplan didnt work anymore.

Since both patched and unpatched dont work with that particular
setup, there's no way (i know) to test out wether this is actually
caused by the patch or not, but i thought i'd just mention it.
-----------

Cheers,

Jeroen Zwarts

I can also add that this happens on em_w lines as well. I've had issues
where callers start getting dead air when dialing out. Talking with the
phone company the lines were in an off-hook state even though Asterisk hung
up the call. I done exactly as below where I hang up before the other party
answers the call. I've also had where after I hang up the CLI shows the call
hanging up and then another call starts, starting simple switch, as if the
call was re-established but Asterisk doesn't know what to do with the call
and executes the s,1,hangup() on the call. This does NOT however always hang
up the call on the AT&T side. The T1 still shows the call as off-hook even
though it's not in use. It seems random (at least I haven't figured out
the
pattern yet) as to when the channel gets hung up properly on AT&T's side
and
when it's not.

-----Original Message-----
From: asterisk-users-bounces@lists.digium.com
[mailto:asterisk-users-bounces@lists.digium.com] On Behalf Of stoffell
Sent: Thursday, June 29, 2006 3:44 AM
To: asterisk-users@lists.digium.com
Subject: [Asterisk-Users] bristuff hangup issue

hi,

Just wanted to inform everyone, if you're using the latest bristuff's
you might (depends on the country!) have hangup issues.

The issue appears every time you dial an external number, and hangup
after letting it ring for a few times. Then the remote party keeps
ringing.

In some situations (we only encountered this while dialing to other *
servers) it keeps the line open on the telco-side. Meaning.. you pay
for it! The cdr on the calling asterisk (with the bug) doesn't
indicate a long connection time. However, the cdr on the called
asterisk does.. (I've seen several durations of over 20 hours) A show
channels doesn't indicate any active calls.

A quick fix has been posted a while ago by Marcel van der Boom (in
libpri/q931.c), this works. According to the release notes this should
have been applied to the latest bristuff, but be careful, the problem
still exists on bristuff-0.3.0-PRE-1q.

I have emailed junghanns.net to let them know.

Best regards,

stoffell
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