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This draft is a work item of the Session Initiation Proposal Investigation Working Group of the IETF.
Title : Registration Event Package Extension for Session Initiation Protocol (SIP) Globally Routable User Agent URIs (GRUUs)
Author(s) : P. Kyzivat
Filename : draft-ietf-sipping-gruu-reg-event-09.txt
Pages : 16
Date : 2007-7-9
RFC 3680 defines a Session Initiation Protocol (SIP)[5] event package
for registration state. This package allows a watcher to learn about
information stored by a SIP registrar, including its registered
contact.
However, the registered contact is frequently unreachable and thus
not useful for watchers. The Globally Routable User Agent URI
(GRUU), defined in RFC YYYY [3], is a URI that is capable of reaching
a particular contact. However this URI is not included in the
document format defined in RFC 3680. This specification defines an
extension to the registration event package to include GRUUs assigned
by the registrar.
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