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Status:

PROPOSED STANDARD

Updated by:

RFC 8996

Authors:

M. Lonnfors
J. Costa-Requena
E. Leppanen
H. Khartabil

Stream:

IETF

Source:

simple (rai)

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DOI:  https://doi.org/10.17487/RFC5263

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Abstract

By default, presence delivered using the presence event package forthe Session Initiation Protocol (SIP) is represented in the PresenceInformation Data Format (PIDF). A PIDF document contains a set ofelements, each representing a different aspect of the presence beingreported. When any subset of the elements change, even just a singleelement, a new document containing the full set of elements isdelivered. This memo defines an extension allowing delivery of onlythe presence data that has actually changed. [STANDARDS-TRACK]

For the definition ofStatus,seeRFC 2026.

For the definition ofStream, seeRFC 8729.