[rfc-dist] RFC 8217 on Clarifications for When to Use the name-addr Production in SIP Messages
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Subject: [rfc-dist] RFC 8217 on Clarifications for When to Use the name-addr Production in SIP Messages
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A new Request for Comments is now available in online RFC libraries. RFC 8217 Title: Clarifications for When to Use the name-addr Production in SIP Messages Author: R. Sparks Status: Standards Track Stream: IETF Date: August 2017 Mailbox: rjsparks@nostrum.com Pages: 6 Characters: 12829 Updates: RFC 3261, RFC 3325, RFC 3515, RFC 3892, RFC 4508, RFC 5002, RFC 5318, RFC 5360, RFC 5502 I-D Tag: draft-ietf-sipcore-name-addr-guidance-02.txt URL: https://www.rfc-editor.org/info/rfc8217 DOI: 10.17487/RFC8217 RFC 3261 constrained several SIP header fields whose grammar contains the "name-addr / addr-spec" alternative to use name-addr when certain characters appear. Unfortunately, it expressed the constraints with prose copied into each header field definition, and at least one header field was missed. Further, the constraint has not been copied into documents defining extension headers whose grammar contains the alternative. This document updates RFC 3261 to state the constraint generically and clarifies that the constraint applies to all SIP header fields where there is a choice between using name-addr or addr-spec. It also updates the RFCs that define extension SIP header fields using the alternative to clarify that the constraint applies (RFCs 3325, 3515, 3892, 4508, 5002, 5318, 5360, and 5502). 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 memo is unlimited. This announcement is sent to the IETF-Announce and rfc-dist lists. To subscribe or unsubscribe, see https://www.ietf.org/mailman/listinfo/ietf-announce https://mailman.rfc-editor.org/mailman/listinfo/rfc-dist For searching the RFC series, see https://www.rfc-editor.org/search For downloading RFCs, see https://www.rfc-editor.org/retrieve/bulk Requests for special distribution should be addressed to either the author of the RFC in question, or to rfc-editor@rfc-editor.org. Unless specifically noted otherwise on the RFC itself, all RFCs are for unlimited distribution. The RFC Editor Team Association Management Solutions, LLC _______________________________________________ rfc-dist mailing list rfc-dist@rfc-editor.org https://www.rfc-editor.org/mailman/listinfo/rfc-dist http://www.rfc-editor.org