A new Request for Comments is now available in online RFC libraries.
RFC 9475
Title: Messaging Use Cases and Extensions for
Secure Telephone Identity Revisited (STIR)
Author: J. Peterson,
C. Wendt
Status: Standards Track
Stream: IETF
Date: December 2023
Mailbox: jon.peterson@team.neustar,
chris-i...@chriswendt.net
Pages: 10
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-stir-messaging-08.txt
URL: https://www.rfc-editor.org/info/rfc9475
DOI: 10.17487/RFC9475
Secure Telephone Identity Revisited (STIR) provides a means of
attesting the identity of a telephone caller via a signed token in
order to prevent impersonation of a calling party number, which is a
key enabler for illegal robocalling. Similar impersonation is
sometimes leveraged by bad actors in the text and multimedia
messaging space. This document explores the applicability of STIR's
Personal Assertion Token (PASSporT) and certificate issuance
framework to text and multimedia messaging use cases, including
support for both messages carried as a payload in SIP requests and
messages sent in sessions negotiated by SIP.
This document is a product of the Secure Telephone Identity Revisited Working
Group of the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
memo is unlimited.
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