[asterisk-bugs] [Asterisk 0014631]: Ghost calls with queues and spa942 and 922

[Asterisk Bug Tracker]

The following issue has been SUBMITTED. 
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http://bugs.digium.com/view.php?id=14631 
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Reported By:                latinsud
Assigned To:                
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Project:                    Asterisk
Issue ID:                   14631
Category:                   Applications/app_queue
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     new
Asterisk Version:           SVN 
Regression:                 No 
SVN Branch (only for SVN checkouts, not tarball releases):  trunk 
SVN Revision (number only!): 180641 
Request Review:              
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Date Submitted:             2009-03-09 09:17 CDT
Last Modified:              2009-03-09 09:17 CDT
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Summary:                    Ghost calls with queues and spa942 and 922
Description: 
I am testing a simple static queue setup and i often get ghost calls (right
after the caller hangs up before anyone has answered) on my linksys phones
(but not on x-lite).

I also get these errors:
channel.c: ast_prod: Prodding channel ... failed
chan_sip.c: handle_response: Remote host can't match request CANCEL to
call ...

To reproduce it you have to call and be placed in que, noone answers, let
the "periodic-announce" start playing and then hangup.

I see a 2 weird things happen (imho):
- Right after caller hangs, Asterisk sends an INVITE and immediately a
CANCEL. Imho it shouldn't send any of them.
- Phone returns a "481 call does not exist".
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Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2009-03-09 09:17 latinsud       New Issue                                    
2009-03-09 09:17 latinsud       Asterisk Version          => SVN             
2009-03-09 09:17 latinsud       Regression                => No              
2009-03-09 09:17 latinsud       SVN Branch (only for SVN checkouts, not tarball
releases) =>  trunk          
2009-03-09 09:17 latinsud       SVN Revision (number only!) => 180641          
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