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

Asterisk Bug Tracker noreply at bugs.digium.com
Sat Feb 27 17:38:45 CST 2010


The following issue has been RESOLVED. 
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https://issues.asterisk.org/view.php?id=16789 
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Reported By:                alecdavis
Assigned To:                alecdavis
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Project:                    Asterisk
Issue ID:                   16789
Category:                   Channels/chan_dahdi
Reproducibility:            sometimes
Severity:                   minor
Priority:                   normal
Status:                     resolved
Asterisk Version:           SVN 
JIRA:                       SWP-887 
Regression:                 No 
Reviewboard Link:            
SVN Branch (only for SVN checkouts, not tarball releases): 1.6.1 
SVN Revision (number only!): 243988 
Request Review:              
Resolution:                 fixed
Fixed in Version:           
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Date Submitted:             2010-02-08 19:57 CST
Last Modified:              2010-02-27 17:38 CST
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Summary:                    [patch] 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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Relationships       ID      Summary
----------------------------------------------------------------------
related to          0016755 E1 PRI channel 'glare', where asterisk ...
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Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2010-02-27 17:38 svnbot         Status                   assigned => resolved
2010-02-27 17:38 svnbot         Resolution               open => fixed       
======================================================================




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