SIP E.164 Return Routability Check (RRC)
draft-wing-sip-e164-rrc-01

Document Type Expired Internet-Draft (individual)
Last updated 2008-02-08
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at
https://www.ietf.org/archive/id/draft-wing-sip-e164-rrc-01.txt

Abstract

SIP lacks a mechanism to determine which domain can claim ownership of a certain telephone number. Due to this, it is impossible to establish meaningful identity or to authenticate endpoints that use telephone number URIs and domain names in their From address. This document proposes a solution to this problem using a return routability test.

Authors

Dan Wing (dwing@cisco.com)

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