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RFC 9366
Title: Multiple SIP Reason Header Field Values
Author: R. Sparks
Status: Standards Track
Stream: IETF
Date: March 2023
Mailbox: [email protected]
Pages: 4
Updates: RFC 3326
I-D Tag: draft-ietf-sipcore-multiple-reasons-01.txt
URL: https://www.rfc-editor.org/info/rfc9366
DOI: 10.17487/RFC9366
The SIP Reason header field as defined in RFC 3326 allows only one
Reason value per protocol value. Experience with more recently
defined protocols shows it is useful to allow multiple values with
the same protocol value. This document updates RFC 3326 to allow
multiple values for an indicated registered protocol when that
protocol defines what the presence of multiple values means.
This document is a product of the Session Initiation Protocol Core 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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