Name: draft-ietf-sipping-service-examples-07
Title: Session Initiation Protocol Service Examples
State: Active
Authors: Alan Johnston, Robert Sparks
Group: Session Initiation Proposal Investigation (sipping)
Date: 2004-07-21
This document gives examples of Session Initiation Protocol (SIP) services.
This covers most features offered in so-called IP 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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