The Session Initiation Protocol (SIP) INVOKE Method

Document Type Expired Internet-Draft (individual)
Authors Alan Johnston  , Rifaat Shekh-Yusef  , Cullen Jennings  , Francois Audet 
Last updated 2011-06-10
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document defines the SIP INVOKE method, which describes a mechanism by which a UA can invoke a well-defined action on a remote UA. These actions are represented by well-defined URNs that must be registered with IANA. This document also defines a new event package 'invoke', and the Action and Action-Progress request headers.


Alan Johnston (
Rifaat Shekh-Yusef (
Cullen Jennings (
Francois Audet (

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