Browse Prior Art Database

Basic Network Media Services with SIP (RFC4240)

IP.com Disclosure Number: IPCOM000132356D
Original Publication Date: 2005-Dec-01
Included in the Prior Art Database: 2005-Dec-09
Document File: 25 page(s) / 55K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

E. Burger: AUTHOR [+4]

Abstract

In SIP-based networks, there is a need to provide basic network media services. Such services include network announcements, user interaction, and conferencing services. These services are basic building blocks, from which one can construct interesting applications. In order to have interoperability between servers offering these building blocks (also known as Media Servers) and application developers, one needs to be able to locate and invoke such services in a well defined manner.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 5% of the total text.

Network Working Group                                     E. Burger, Ed.
Request for Comments: 4240                                   J. Van Dyke
Category: Informational                                       A. Spitzer
                                             Brooktrout Technology, Inc.
                                                           December 2005


                 Basic Network Media Services with SIP

Status of This Memo

   This memo provides information for the Internet community.  It does
   not specify an Internet standard of any kind.  Distribution of this
   memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2005).

Abstract

   In SIP-based networks, there is a need to provide basic network media
   services.  Such services include network announcements, user
   interaction, and conferencing services.  These services are basic
   building blocks, from which one can construct interesting
   applications.  In order to have interoperability between servers
   offering these building blocks (also known as Media Servers) and
   application developers, one needs to be able to locate and invoke
   such services in a well defined manner.

   This document describes a mechanism for providing an interoperable
   interface between Application Servers, which provide application
   services to SIP-based networks, and Media Servers, which provide the
   basic media processing building blocks.

Burger, et al.               Informational                      [Page 1]
RFC 4240                   SIP Media Services              December 2005


Table of Contents

   1. Overview ........................................................2
      1.1. Conventions Used in This Document ..........................3
   2. Mechanism .......................................................3
   3. Announcement Service ............................................5
      3.1. Operation ..................................................8
      3.2. Protocol Diagram ...........................................9
      3.3. Formal Syntax ..............................................9
   4. Prompt and Collect Service .....................................11
      4.1. Formal Syntax for Prompt and Collect Service ..............12
   5. Conference Service .............................................13
      5.1. Protocol Diagram ..........................................14
      5.2. Formal Syntax .............................................16
   6. IANA Considerations ............................................17
   7. The User Part ............................................