https://datatracker.ietf.org/doc/html/draft-roach-sipcore-rfc3265bis-00
draft-roach-sipcore-rfc3265bis-00
SIP-Specific Event Notification (Internet-Draft, 2009)
draftroach
https://datatracker.ietf.org/doc/review-ietf-sipcore-rfc3265bis-genart-telechat-melnikov-2012-04-24/history/
History for review-ietf-sipcore-rfc3265bis-genart-telechat-melnikov-2012-04-24 -00
https://datatracker.ietf.org/doc/draft-roach-sipcore-rfc3265bis/email/
Email expansions for draft-roach-sipcore-rfc3265bis-00
emailexpansionsdraftroach