RFC 7044

An Extension to the Session Initiation Protocol (SIP) for Request History Information, February 2014

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Status:
PROPOSED STANDARD
Obsoletes:
RFC 4244
Authors:
M. Barnes
F. Audet
S. Schubert
J. van Elburg
C. Holmberg
Stream:
IETF
Source:
sipcore (rai)

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DOI:  https://doi.org/10.17487/RFC7044

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Abstract

This document defines a standard mechanism for capturing the history information associated with a Session Initiation Protocol (SIP) request. This capability enables many enhanced services by providing the information as to how and why a SIP request arrives at a specific application or user. This document defines an optional SIP header field, History-Info, for capturing the history information in requests. The document also defines SIP header field parameters for the History-Info and Contact header fields to tag the method by which the target of a request is determined. In addition, this specification defines a value for the Privacy header field that directs the anonymization of values in the History-Info header field. This document obsoletes RFC 4244.


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.




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