[asterisk-bugs] [Asterisk 0017099]: [patch] Failure to receive an ACK to a SIP Re-INVITE results in a SIP channel leak

[Asterisk Bug Tracker]

The following issue has been UPDATED. 
====================================================================== 
https://issues.asterisk.org/view.php?id=17099 
====================================================================== 
Reported By:                tsearle
Assigned To:                
====================================================================== 
Project:                    Asterisk
Issue ID:                   17099
Category:                   Channels/chan_sip/General
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     new
Asterisk Version:           SVN 
JIRA:                        
Regression:                 No 
Reviewboard Link:            
SVN Branch (only for SVN checkouts, not tarball releases):  1.4  
SVN Revision (number only!): 254800 
Request Review:              
====================================================================== 
Date Submitted:             2010-03-26 08:51 CDT
Last Modified:              2010-03-26 13:17 CDT
====================================================================== 
Summary:                    [patch] Failure to receive an ACK to a SIP Re-INVITE
results in a SIP channel leak
Description: 
callflow

A -INVITE-> asterisk -INVITE-> B
A <-200 OK- asterisk <-200 OK- B
A --ACK---> asterisk --ACK---> B
            asterisk <-INVITE- B
            asterisk -200 OK-> B
           (ack lost)
A --BYE---> asterisk
A <-200 OK- asterisk


no bye is generated on the B leg as it's still in invite pending

====================================================================== 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2010-03-26 13:17 lmadsen        Description Updated                          
======================================================================