[asterisk-bugs] [JIRA] (ASTERISK-20855) "sip reload" does not properly flush MWI outbound subscriptions defined in sip.conf

[kris2k (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-20855?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

kris2k updated ASTERISK-20855:
------------------------------

    Assignee: Rusty Newton  (was: kris2k)
      Status: Triage  (was: Waiting for Feedback)

Provided logs + isolated observation of the issue.
                
> "sip reload" does not properly flush MWI outbound subscriptions defined in sip.conf
> -----------------------------------------------------------------------------------
>
>                 Key: ASTERISK-20855
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20855
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/Subscriptions
>    Affects Versions: 11.1.0, 11.1.1
>         Environment: Centos 6.3 / 2.6.32-279.19.1.el6.i686 #1 SMP Wed Dec 19 04:30:58 UTC 2012 i686 i686 i386 GNU/Linux
>            Reporter: kris2k
>            Assignee: Rusty Newton
>            Severity: Minor
>         Attachments: full.scenario-1, full.scenario-2, full.scenario-3, full.scenario-4
>
>
> Using the following MWI registration pattern in sip.conf
> mwi => 120:passwordA:120 at 192.168.1.2/120
> mwi => 121:passwordB:121 at 192.168.1.2/121
> mwi => 122:passwordC:122 at 192.168.1.2/122
> Then referred by my sip "friends" with the mailbox argument:
> mailbox=120 at SIP_Remote, etc..
> 1. Upon asterisk startup
> "sip show mwi" will list valid MWI registrations for 120,121,122
> 2. Following a "sip reload"
> "sip show mwi" will list valid MWI registrations for 120,121,122,120,121,122
> 3. Following another "sip reload" (even tried with module reload chan_sip.so)
> "sip show mwi" will list valid MWI registrations for 120,121,122,120,121,122,120,121,122
> This suggest that the reload routine, is not destroying existing MWI subscriptions, and at every reload, new MWI subscriptions are added.
> I thought this may have just been a question of expiration of the older subscriptions, but after waiting significantly beyond the subscription refresh interval, the redundant MWI registrations still persisted.
> This is causing the target PBX to complain about bad auth for certain MWI subscriptions.
> Performing a "module unload chan_sip.so" then "module load chan_sip.so" puts the MWI subscriptions back into normal operation.

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