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A SIP Response Code for Unwanted Calls
RFC 8197

Document Type RFC - Proposed Standard (July 2017)
Author Henning Schulzrinne
Last updated 2017-07-13
RFC stream Internet Engineering Task Force (IETF)
Formats
Additional resources Mailing list discussion
IESG Responsible AD Ben Campbell
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RFC 8197
quot;The Reason
              Header Field for the Session Initiation Protocol (SIP)",
              RFC 3326, DOI 10.17487/RFC3326, December 2002,
              <http://www.rfc-editor.org/info/rfc3326>.

   [RFC6809]  Holmberg, C., Sedlacek, I., and H. Kaplan, "Mechanism to
              Indicate Support of Features and Capabilities in the
              Session Initiation Protocol (SIP)", RFC 6809,
              DOI 10.17487/RFC6809, November 2012,
              <http://www.rfc-editor.org/info/rfc6809>.

   [RFC8174]  Leiba, B., "Ambiguity of Uppercase vs Lowercase in RFC
              2119 Key Words", BCP 14, RFC 8174, DOI 10.17487/RFC8174,
              May 2017, <http://www.rfc-editor.org/info/rfc8174>.

7.2.  Informative References

   [RFC3323]  Peterson, J., "A Privacy Mechanism for the Session
              Initiation Protocol (SIP)", RFC 3323,
              DOI 10.17487/RFC3323, November 2002,
              <http://www.rfc-editor.org/info/rfc3323>.

   [RFC3725]  Rosenberg, J., Peterson, J., Schulzrinne, H., and G.
              Camarillo, "Best Current Practices for Third Party Call
              Control (3pcc) in the Session Initiation Protocol (SIP)",
              BCP 85, RFC 3725, DOI 10.17487/RFC3725, April 2004,
              <http://www.rfc-editor.org/info/rfc3725>.

Schulzrinne                  Standards Track                    [Page 7]
RFC 8197                     Status Unwanted                   July 2017

   [RFC3966]  Schulzrinne, H., "The tel URI for Telephone Numbers",
              RFC 3966, DOI 10.17487/RFC3966, December 2004,
              <http://www.rfc-editor.org/info/rfc3966>.

   [RFC5039]  Rosenberg, J. and C. Jennings, "The Session Initiation
              Protocol (SIP) and Spam", RFC 5039, DOI 10.17487/RFC5039,
              January 2008, <http://www.rfc-editor.org/info/rfc5039>.

   [RFC5057]  Sparks, R., "Multiple Dialog Usages in the Session
              Initiation Protocol", RFC 5057, DOI 10.17487/RFC5057,
              November 2007, <http://www.rfc-editor.org/info/rfc5057>.

   [RFC5359]  Johnston, A., Ed., Sparks, R., Cunningham, C., Donovan,
              S., and K. Summers, "Session Initiation Protocol Service
              Examples", BCP 144, RFC 5359, DOI 10.17487/RFC5359,
              October 2008, <http://www.rfc-editor.org/info/rfc5359>.

   [SIP-IDENTITY]
              Peterson, J., Jennings, C., Rescorla, E., and C. Wendt,
              "Authenticated Identity Management in the Session
              Initiation Protocol (SIP)", Work in Progress,
              draft-ietf-stir-rfc4474bis-16, February 2017.

Acknowledgements

   Tolga Asveren, Ben Campbell, Peter Dawes, Spencer Dawkins, Martin
   Dolly, Keith Drage, Vijay Gurbani, Christer Holmberg, Olle Johansson,
   Paul Kyzivat, Jean Mahoney, Marianne Mohali, Adam Montville, Al
   Morton, Denis Ovsienko, Brian Rosen, Brett Tate, Chris Wendt, Dale
   Worley, and Peter Yee (Gen-ART reviewer) provided helpful comments.

Author's Address

   Henning Schulzrinne
   FCC
   445 12th Street SW
   Washington, DC  20554
   United States of America

   Email: henning.schulzrinne@fcc.gov

Schulzrinne                  Standards Track                    [Page 8]