Internet Assigned Numbers Authority (IANA) Registration of the Session Initiation Protocol (SIP) Feature-Capability indicators

Document Type Expired Internet-Draft (individual)
Author Roland Jesske 
Last updated 2018-12-20 (latest revision 2018-06-18)
Replaces draft-allen-sipcore-sip-tree-cap-indicators
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Expired & archived
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


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.


Roland Jesske (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)