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A Framework for Consent-Based Communications in the Session Initiation Protocol (SIP)

Document type: Expired Internet-Draft (sipping WG)
Document stream: IETF
Last updated: 2006-12-14 (latest revision 2006-06-12)
Intended RFC status: Informational
Other versions: (expired, archived): plain text, pdf, html

IETF State: WG Document
Document shepherd: No shepherd assigned

IESG State: Expired (IESG: Dead)
Responsible AD: Jon Peterson
Send notices to:,,

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found here:


The Session Initiation Protocol (SIP) supports communications across many media types, including real-time audio, video, text, instant messaging, and presence. In its current form, it allows session invitations, instant messages, and other requests to be delivered from one party to another without requiring explicit consent of the recipient. Without such consent, it is possible for SIP to be used for malicious purposes, including amplification, and DoS (Denial of Service) attacks. This document identifies a framework for consent- based communications in SIP.


Jonathan Rosenberg <>

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid)