[asterisk-bugs] [JIRA] (ASTERISK-28488) pjsip mwi: n+1 sip notify's sent on re-register

[Asterisk Team (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-28488?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Asterisk Team updated ASTERISK-28488:
-------------------------------------

    Target Release Version/s: 17.0.0

> pjsip mwi: n+1 sip notify's sent on re-register
> -----------------------------------------------
>
>                 Key: ASTERISK-28488
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28488
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: .Release/Targets
>    Affects Versions: 16.0.0
>            Reporter: Chris Savinovich
>            Assignee: Kevin Harwell
>            Severity: Minor
>              Labels: pjsip
>      Target Release: 17.0.0, 13.29.0, 16.6.0
>
>
> When _mw_subscribe_replaces_unsolicited_ is set on an endpoint then every time the phone re-registers Asterisk will send n + 1 SIP NOTIFY's to the phone (where n = number of notifies sent on the last re-register). Meaning at first Asterisk sends one notify. On the next register it sends two, then three, etc... Eventually the phone is overwhelmed.
> I was able to reproduce the issue just using Asterisk, and the following configuration
> {noformat}
> [414]
> type=aor
> mailboxes=414 at default
> max_contacts=1
> remove_existing=yes
> maximum_expiration=7200
> minimum_expiration=60
> qualify_frequency=60
> [414-auth]
> type=auth
> auth_type=userpass
> password=414
> username=414
> [414]
> type=endpoint
> aors=414
> auth=414-auth
> tos_audio=ef
> tos_video=af41
> cos_audio=5
> cos_video=4
> allow=ulaw,alaw,gsm,g726,g722
> context=from-internal
> callerid=Jean wifi <414>
> dtmf_mode=rfc4733
> mailboxes=414 at default
> mwi_subscribe_replaces_unsolicited=yes
> aggregate_mwi=no
> use_avpf=no
> rtcp_mux=no
> bundle=no
> ice_support=no
> media_use_received_transport=no
> trust_id_inbound=yes
> media_encryption=no
> timers=yes
> media_encryption_optimistic=no
> send_pai=yes
> rtp_symmetric=yes
> rewrite_contact=yes
> force_rport=yes
> language=en
> one_touch_recording=on
> record_on_feature=apprecord
> record_off_feature=apprecord
> set_var=CHANNEL(parkinglot)=default
> {noformat}
> Configure a phone to register to that extension, and on each register the notifies will increase. Comment out/disable _mw_subscribe_replaces_unsolicited_ and the problem goes away.



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