[asterisk-bugs] [JIRA] (ASTERISK-27697) Enable in-dialog NOTIFY on chan_pjsip channels

[Chris Savinovich (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-27697?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris Savinovich updated ASTERISK-27697:
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    Target Release Version/s: 13.21.0

> Enable in-dialog NOTIFY on chan_pjsip channels
> ----------------------------------------------
>
>                 Key: ASTERISK-27697
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27697
>             Project: Asterisk
>          Issue Type: Improvement
>      Security Level: None
>          Components: Channels/chan_pjsip
>    Affects Versions: 15.3.0
>            Reporter: Nathan Bruning
>            Assignee: Nathan Bruning
>            Severity: Minor
>              Labels: pjsip
>      Target Release: 13.21.0
>
>
> Broadsoft defines a call control protocol using SIP NOTIFY messages, which seems to be widely implemented; we've seen this working on SNOM phones, Yealink phones and Grandstream phones.
> For actions like 'answer', the phone needs to know which call to pickup, so the NOTIFY's are sent in-dialog.
> This patch adds support to send in-dialog SIP NOTIFY commands on chan_pjsip channels. Similar functionality has recently been added for chan_sip channels (ASTERISK-27461).
> We extend res_pjsip_notify to allow for in-dialog messages. A minor addition to res_pjsip is needed in order to fetch the active SIP dialog. 



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