[asterisk-bugs] [Asterisk 0018557]: No timeout on T.38 re-INVITE

Asterisk Bug Tracker noreply at bugs.digium.com
Thu Dec 30 15:55:28 UTC 2010


A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=18557 
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Reported By:                vrban
Assigned To:                
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Project:                    Asterisk
Issue ID:                   18557
Category:                   Channels/chan_sip/T.38
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     new
Asterisk Version:           1.8.1.1 
JIRA:                        
Regression:                 No 
Reviewboard Link:            
SVN Branch (only for SVN checkouts, not tarball releases): 1.8 
SVN Revision (number only!):  
Request Review:              
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Date Submitted:             2010-12-30 06:25 CST
Last Modified:              2010-12-30 09:55 CST
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Summary:                    No timeout on T.38 re-INVITE
Description: 
I noticed, then when chan_sip send out a T.38 re-INVITE and get a "100
Trying", there no timeout set for this INVITE. So when there is no further
response to the T.38 -re-INVITE then the "100 Trying", then the sip channel
will hang forever.
Despite app_fax/res_fax will notice that there is something wrong after a
timout with no media, and the channels hang up, but the SIP channels does
not send a CANCEL or BYE and never hang up.

Attached is the full SIP and dialplan debug to and the sipp scenario
reproduce the issue.
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---------------------------------------------------------------------- 
 (0130048) vrban (reporter) - 2010-12-30 09:55
 https://issues.asterisk.org/view.php?id=18557#c130048 
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See sip_history.txt

10. SchedDestroy    32000 ms <-- Yes, that's what we want. Destroy it in
32000ms
11. CancelDestroy <-- No? Why canceled? 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2010-12-30 09:55 vrban          Note Added: 0130048                          
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