[asterisk-bugs] [Asterisk 0013598]: Occassional failure to connect pickup call with park call

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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http://bugs.digium.com/view.php?id=13598 
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Reported By:                acunningham
Assigned To:                
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Project:                    Asterisk
Issue ID:                   13598
Category:                   Core/PBX
Reproducibility:            random
Severity:                   minor
Priority:                   normal
Status:                     new
Asterisk Version:           1.4.21.1 
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Disclaimer on File?:        N/A 
Request Review:              
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Date Submitted:             2008-10-01 23:18 CDT
Last Modified:              2008-10-01 23:21 CDT
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Summary:                    Occassional failure to connect pickup call with park
call
Description: 
On a test machine, around 10% of the time, a call to 701 from an AGI() to
pick up a call parked there fails to connect the two calls. Asterisk
reports that the picking up call has been answered, but the parked caller
continues to hear music, and the picking up caller hears silence for 10
seconds before the call times out.

The call flow on such calls is identical to the other 90% of calls which
work, so there seems to be a random component to this.
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 (0093065) acunningham (reporter) - 2008-10-01 23:21
 http://bugs.digium.com/view.php?id=13598#c93065 
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I have uploaded park1.txt, copied from Asterisk's full log, which shows
where Asterisk tries to connect the calls together. A full trace of the
entire call is available on request. Notice these lines:

[Oct  1 17:28:37] DEBUG[4984] channel.c: Internal timing is enabled
(option_internal_timing=1048576 chan->timingfd=27)

There are a lot more of them (perhaps one for each RTP packet?) during the
time the picking up call is hearing silence. 

Issue History 
Date Modified    Username       Field                    Change               
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2008-10-01 23:21 acunningham    Note Added: 0093065                          
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