[asterisk-bugs] [JIRA] (ASTERISK-15879) [patch] Failure to receive an ACK to a SIP Re-INVITE results in a SIP channel leak

[Walter Doekes (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-15879?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Walter Doekes closed ASTERISK-15879.
------------------------------------


> [patch] Failure to receive an ACK to a SIP Re-INVITE results in a SIP channel leak
> ----------------------------------------------------------------------------------
>
>                 Key: ASTERISK-15879
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-15879
>             Project: Asterisk
>          Issue Type: Bug
>          Components: Channels/chan_sip/General
>            Reporter: Torrey Searle
>            Severity: Minor
>         Attachments: reinvite_ack_timeout.patch
>
>
> 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
> ****** ADDITIONAL INFORMATION ******
> patch detects with a non-critical invite transaction times out, and clears the invite pending, and checks if there is a bye pending to be sent.



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