[asterisk-bugs] [JIRA] Commented: (ASTERISK-20119) Peer MWI subscriptions erroneously removed when another SIP dialog is destroyed

[Matt Jordan (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-20119?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=194976#comment-194976 ] 

Matt Jordan commented on ASTERISK-20119:
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alexr1: the problem you're referring to may be related to this issue, but is not precisely the same thing Misha's patch is attempting to resolve.  As we try very hard not to track multiple bugs on a single issue, it doesn't make sense to discuss those bugs here.

You most likely couldn't comment on this issue due to it being in "Waiting for Feedback" - in which case, only the person its assigned to can comment on the issue.

> Peer MWI subscriptions erroneously removed when another SIP dialog is destroyed
> -------------------------------------------------------------------------------
>
>                 Key: ASTERISK-20119
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20119
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General
>    Affects Versions: 1.8.14.0
>         Environment: Asterisk 1.8.14.0
>            Reporter: Misha Vodsedalek
>            Assignee: Misha Vodsedalek
>         Attachments: 20119.patch
>
>
> A peer MWI subscription gets cancelled when another SIP dialog (unrelated to the MWI subscription) gets destroyed. The MWI light on phones that rely only on subscription messages stops working (e.g., Nortel 1100 and 1200 series phones with SIP firmware).
> The problem is caused by an incorrect check if the dialog that is being destroyed is related to the MWI subscription.
> The same issue exists in Asterisk 1.6 as well as Asterisk 10.

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