[asterisk-bugs] [Asterisk 0018509]: [patch] Sending out unnecessary PROCEEDING messages breaks overlap dialing

Asterisk Bug Tracker noreply at bugs.digium.com
Wed Dec 22 20:40:27 UTC 2010


A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=18509 
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Reported By:                wimpy
Assigned To:                
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Project:                    Asterisk
Issue ID:                   18509
Category:                   Channels/chan_dahdi
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     feedback
Asterisk Version:           SVN 
JIRA:                        
Regression:                 No 
Reviewboard Link:            
SVN Branch (only for SVN checkouts, not tarball releases):  trunk 
SVN Revision (number only!):  
Request Review:              
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Date Submitted:             2010-12-21 02:30 CST
Last Modified:              2010-12-22 14:40 CST
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Summary:                    [patch] Sending out unnecessary PROCEEDING messages
breaks overlap dialing
Description: 
chan_dahdi sends out a PROCEEDING message as soon as a call has a match in
the dialplan.
I think sending this message is unnecessary and can be harmful.
I think it should only be sent when Dial() is called with a definitive
destination.

So far I thought chan_dahdi was unable to do outgoing overlap dialing, but
I just found out that it does, but sabotages itself.

If you have an
exten => _N!,1,Dial(dahdi/g1/${EXTEN})
and use overlap dialing, the trouble is that you get a PROCEEDING after
you dialed the first digit which will tell the phone that dialing has
finished.

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Relationships       ID      Summary
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related to          0016789 [patch] Overlap receiving timeout, plus...
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 (0129904) rmudgett (administrator) - 2010-12-22 14:40
 https://issues.asterisk.org/view.php?id=18509#c129904 
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It may get reevaluated because I have seen a bizarre dialplan like this:
exten => _9.,1,NoOp()
exten => 99,2,Noop() 

Issue History 
Date Modified    Username       Field                    Change               
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2010-12-22 14:40 rmudgett       Note Added: 0129904                          
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