[asterisk-bugs] [JIRA] (ASTERISK-27971) res_pjsip: Implement additional SIP RFCs for Google Voice trunk compatability

[Asterisk Team (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-27971?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Asterisk Team updated ASTERISK-27971:
-------------------------------------

    Target Release Version/s: 17.0.0

> res_pjsip: Implement additional SIP RFCs for Google Voice trunk compatability
> -----------------------------------------------------------------------------
>
>                 Key: ASTERISK-27971
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27971
>             Project: Asterisk
>          Issue Type: New Feature
>      Security Level: None
>          Components: pjproject/pjsip, Resources/res_pjsip_outbound_registration
>    Affects Versions: GIT
>            Reporter: Nick French
>            Assignee: Nick French
>              Labels: pjsip
>      Target Release: 17.0.0
>
>         Attachments: gvoice.txt
>
>
> Background: Google Voice trunks are currently supported in Asterisk via chan_motif. Google has announced they plan to migrate away from the XMPP protocol used by chan_motif to a new SIP-based protocol. However, their new SIP servers use additional standards extending what is commonly implemented in a SIP UAC.
> The following additional features required by the new Google Voice SIP registrar are not currently implemented in Asterisk:
> - Service-Routes (RFC 3608)
> - P-Preferred-Identity (RFC 3325)
> - Outbound supported header (RFC 5626)
> - OAuth / Bearer token authentication (draft-ietf-sipcore-sip-authn-02)
> - Mechanisms to use separate TLS transports for separate registrations and their associated message dialog
> - (optional) User-configurable additions to SIP Contact header



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