[asterisk-bugs] [Asterisk 0015806]: pbx_builtin_background function does not handle fax detection correctly

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=15806 
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Reported By:                yengchen
Assigned To:                tilghman
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Project:                    Asterisk
Issue ID:                   15806
Category:                   Core/PBX
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     assigned
Asterisk Version:           1.4.26.1 
Regression:                 No 
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Request Review:              
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Date Submitted:             2009-08-31 17:13 CDT
Last Modified:              2009-09-01 15:53 CDT
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Summary:                    pbx_builtin_background function does not handle fax
detection correctly
Description: 
I think it is related to issue 0015750.
Fax detection interrupts playback and app_waitstream returns -1.
Last section of pbx_builtin_background to handle single DTMF does not
check for res<0 and sets chan->exten=res.
Ends up with invalid extension -1.

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 (0109963) lmadsen (administrator) - 2009-09-01 15:53
 https://issues.asterisk.org/view.php?id=15806#c109963 
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Assigned to Tilghman as the reporter makes a suggested change. If the issue
is no as trivial as it at first appears, feel free to unassign and set back
to New. Thanks! 

Issue History 
Date Modified    Username       Field                    Change               
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2009-09-01 15:53 lmadsen        Note Added: 0109963                          
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