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RFC 8946
Title: Personal Assertion Token (PASSporT) Extension
for Diverted Calls
Author: J. Peterson
Status: Standards Track
Stream: IETF
Date: February 2021
Mailbox: [email protected]
Pages: 17
Updates: RFC 8224
I-D Tag: draft-ietf-stir-passport-divert-09.txt
URL: https://www.rfc-editor.org/info/rfc8946
DOI: 10.17487/RFC8946
The Personal Assertion Token (PASSporT) is specified in RFC 8225 to
convey cryptographically signed information about the people involved
in personal communications. This document extends PASSporT to include
an indication that a call has been diverted from its original
destination to a new one. This information can greatly improve the
decisions made by verification services in call forwarding scenarios.
Also specified here is an encapsulation mechanism for nesting a
PASSporT within another PASSporT that assists relying parties in some
diversion scenarios.
This document updates RFC 8224.
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
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