Network Working Group R. Mahy Request for Comments: 3842 Cisco Systems, Inc. Category: Standards Track August 2004 A Message Summary and Message Waiting Indication Event Package for the Session Initiation Protocol (SIP) Status of this Memo This document specifies an Internet standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards" (STD 1) for the standardization state and status of this protocol. Distribution of this memo is unlimited. Copyright Notice Copyright (C) The Internet Society (2004). Abstract This document describes a Session Initiation Protocol (SIP) event package to carry message waiting status and message summaries from a messaging system to an interested User Agent. Mahy Standards Track