Internet Assigned Numbers Authority (IANA) Registration of the Session Initiation Protocol (SIP) Feature-Capability indicators
draft-jesske-sipcore-sip-tree-cap-indicators-00

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Last updated 2018-07-16 (latest revision 2018-06-18)
Replaces draft-allen-sipcore-sip-tree-cap-indicators
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Sipcore Working Group                                     R. Jesske, Ed.
Internet-Draft                                          Deutsche Telekom
Intended status: Informational                             June 18, 2018
Expires: December 20, 2018

 Internet Assigned Numbers Authority (IANA) Registration of the Session
        Initiation Protocol (SIP) Feature-Capability indicators
            draft-jesske-sipcore-sip-tree-cap-indicators-00

Abstract

   This document registers with IANA SIP Feature-Capability indicators
   in the "SIP Feature-Capability Indicator Registration Tree" of the
   IANA "Proxy-Feature Feature-Capability Indicator Trees" registry for
   use with the SIP Feature-Caps header field and defines their usage
   and interpretation.

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   Copyright (c) 2018 IETF Trust and the persons identified as the
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Jesske                  Expires December 20, 2018               [Page 1]
Internet-Draft          SIP Capability Indicators              June 2018

   the Trust Legal Provisions and are provided without warranty as
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Motivation  . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  SIP Feature-Capability indicators . . . . . . . . . . . . . .   4
   4.  Security Considerations . . . . . . . . . . . . . . . . . . .   5
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   6
     5.1.  Contact . . . . . . . . . . . . . . . . . . . . . . . . .   6
     5.2.  Audio . . . . . . . . . . . . . . . . . . . . . . . . . .   7
     5.3.  Application . . . . . . . . . . . . . . . . . . . . . . .   7
     5.4.  Data  . . . . . . . . . . . . . . . . . . . . . . . . . .   8
     5.5.  Control . . . . . . . . . . . . . . . . . . . . . . . . .   9
     5.6.  Video . . . . . . . . . . . . . . . . . . . . . . . . . .  10
     5.7.  Text  . . . . . . . . . . . . . . . . . . . . . . . . . .  10
     5.8.  Message . . . . . . . . . . . . . . . . . . . . . . . . .  11
     5.9.  Interactive Connectivity Establishment  . . . . . . . . .  12
     5.10. Application Subtype . . . . . . . . . . . . . . . . . . .  13
     5.11. Fax . . . . . . . . . . . . . . . . . . . . . . . . . . .  13
   6.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  14
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  15
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .  15
     7.2.  Informative References  . . . . . . . . . . . . . . . . .  16
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . .  17

1.  Introduction

   RFC 6809 [2] specifies the SIP Feature-Caps header field that conveys
   feature-capability indicators that are used to indicate support of
   features and capabilities for SIP entities that are not represented
   by the Uniform Resource Identifier (URI) of the Contact header field.
   RFC 6809 [2] also creates a new IANA registry, "Proxy-Feature
   Feature-Capability Indicator Trees", for registering feature-
   capability indicators including a SIP feature-capability indicator
   tree for registering SIP feature-capability indicators that is
   similar to the media feature tag SIP tree defined in RFC 3840 [3].
   To date only one feature-capability indicator, sip.607 (RFC 8197
   [14]) has been included in the SIP feature-capability indicator tree.

   This document populates this SIP tree with some additional feature-
   capability indicators that are based upon those already defined in
   RFC 3840 [3], RFC 4569 [4], RFC 5768 [5], RFC 5688 [6] and RFC 6913
   [7] and also defines an additional SIP feature-capability indicator
   "Contact-features" that allows an intermediary to indicate a contact
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