A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Session Initiation Proposal Investigation Working Group of the IETF.
Title : Session Initiation Protocol Service Examples
Author(s) : A. Johnston, S. Donovan et al.
Filename : draft-ietf-sipping-service-examples-04.txt
Pages : 155
Date : 2003-3-6
This informational document gives examples of Session Initiation
Protocol (SIP) services. This covers most features offered in
so-called Centrex offerings from local exchange carriers and PBX
(Private Branch Exchange) features. Most of the services shown in
this document are implemented in the SIP User Agents, although some
require the assistance of a SIP Proxy. Some require some extensions
to SIP including the REFER, SUBSCRIBE, and NOTIFY methods and the
Replaces and Join headers. These features are not intended to be an
exhaustive set, but rather show implementations of common features
likely to be implemented on SIP IP telephones in a business
environment.
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