[asterisk-bugs] [Asterisk 0016789]: Overlap receiving timeout, plus dialplan latency, causes network to retry SETUP

[Asterisk Bug Tracker]

The following issue has been SUBMITTED. 
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https://issues.asterisk.org/view.php?id=16789 
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Reported By:                alecdavis
Assigned To:                
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Project:                    Asterisk
Issue ID:                   16789
Category:                   Channels/chan_dahdi
Reproducibility:            sometimes
Severity:                   minor
Priority:                   normal
Status:                     new
Asterisk Version:           SVN 
JIRA:                        
Regression:                 No 
Reviewboard Link:            
SVN Branch (only for SVN checkouts, not tarball releases): 1.6.1 
SVN Revision (number only!): 243988 
Request Review:              
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Date Submitted:             2010-02-08 19:57 CST
Last Modified:              2010-02-08 19:57 CST
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Summary:                    Overlap receiving timeout, plus dialplan latency,
causes network to retry SETUP
Description: 
An overlap received call, should have a PROCEEDING sent when asterisk has
deemed that no further digits are coming, IE when asterisk starts executing
the dialplan.

The issue is, ast_waitfordigit in ss_thread waits 'matchdigittimeout'
which set 3 seconds, then there is dialplan delay, which may take a while
to execute PROGRESS(), PROGRESS() or ANSWER(). In our case, database
lookups.

When the network retries the SETUP, with the same channel and call
reference, libpri deems this as a 'Not a new call' and promptly rejects the
call. Now the call is lost!.

Previously it has required the PROCEEDING() to be the the first line of
the dialplan context.
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Issue History 
Date Modified    Username       Field                    Change               
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2010-02-08 19:57 alecdavis      New Issue                                    
2010-02-08 19:57 alecdavis      Asterisk Version          => SVN             
2010-02-08 19:57 alecdavis      Regression                => No              
2010-02-08 19:57 alecdavis      SVN Branch (only for SVN checkouts, not tarball
releases) => 1.6.1           
2010-02-08 19:57 alecdavis      SVN Revision (number only!) => 243988          
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