[asterisk-bugs] [Asterisk 0011083]: [patch] Empty voicemail message file causes call into voicemail to disconnect

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email_notification_title_for_status_bug_ready_for_testing 
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http://bugs.digium.com/view.php?id=11083 
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Reported By:                dtyoo
Assigned To:                Corydon76
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Project:                    Asterisk
Issue ID:                   11083
Category:                   Applications/app_voicemail
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     ready for testing
Asterisk Version:           1.4.13  
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:             10-24-2007 20:44 CDT
Last Modified:              10-25-2007 15:10 CDT
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Summary:                    [patch] Empty voicemail message file causes call
into voicemail to disconnect
Description: 
After upgrading from 1.4.9 to 1.4.13 we are having the following problem
with voicemail.  We sometimes get voicemail messages left in mailboxes
where the wav / data file is 44 bytes long.  The file basically has a
header but no data.  Under 1.4.13 calls into voicemail will be disconnected
after listening to such a message.  1.4.9 did not have this issue.

In case you are curious, these 44 byte messages are being left despite
minmessage being set to 3 in the general section of voicemail.conf.  These
messages are accompanied by a console message "app.c: No audio available on
SIP/IP ADDRESS-b50d7b38??"

Nothing special in the console / log file.  Looks the same as when a
caller hangs up normally even though in this case they are being
disconnected.
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---------------------------------------------------------------------- 
 Corydon76 - 10-25-07 15:10  
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This patch should take care of it.  Patch and report back your results,
please. 

Issue History 
Date Modified   Username       Field                    Change               
====================================================================== 
10-25-07 15:10  Corydon76      Note Added: 0072521                          
10-25-07 15:10  Corydon76      Status                   assigned => ready for
testing
10-25-07 15:10  Corydon76      Summary                  Empty voicemail message
file causes call into voicemail to disconnect => [patch] Empty voicemail message
file causes call into voicemail to disconnect
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