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Basic Media Gateway Control Protocol (MGCP) Packages (RFC3660)

IP.com Disclosure Number: IPCOM000021122D
Original Publication Date: 2003-Dec-01
Included in the Prior Art Database: 2003-Dec-24

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

B. Foster: AUTHOR [+2]

Abstract

This document provides a basic set of Media Gateway Control Protocol (MGCP) packages. The generic, line, trunk, handset, RTP, DTMF (Dual Tone Multifrequency), announcement server and script packages are updates of packages from RFC 2705 with additional explanation and in some cases new versions of these packages. In addition to these, five new packages are defined here. These are the signal list, resource reservation, media format, supplementary services and digit map extension packages.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 3% of the total text.

Network Working Group B. Foster

Request for Comments: 3660 F. Andreasen

Updates: 2705 Cisco Systems

Category: Informational December 2003

Basic Media Gateway Control Protocol (MGCP) Packages

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 (2003). All Rights Reserved.

IESG Note

This document is being published for the information of the

community. It describes a non-IETF protocol that is currently being

deployed in a number of products. Implementers should be aware of

RFC 3525 [37], which was developed in the IETF Megaco Working Group

and the ITU-T SG16, and is considered by the IETF and ITU-T to be the

standards-based (including reviewed security considerations) way to

meet the needs that MGCP was designed to address. The IETF Megaco

Working Group and the ITU-T Study Group 16 are developing extensions

to RFC 3525 [37] that for functions of the type in addressed in this

document.

Abstract

This document provides a basic set of Media Gateway Control Protocol

(MGCP) packages. The generic, line, trunk, handset, RTP, DTMF (Dual

Tone Multifrequency), announcement server and script packages are

updates of packages from RFC 2705 with additional explanation and in

some cases new versions of these packages. In addition to these,

five new packages are defined here. These are the signal list,

resource reservation, media format, supplementary services and digit

map extension packages.

Foster & Andreasen Informational [Page 1]

RFC 3660 Basic MGCP Packages December 2003

Table of Contents

1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 2

1.1. List of Packages . . . . . . . . . . . . . . . . . . . . 3

1.2. Changes to Existing RFC 2705 Packages. . . . . . . . . . 3

1.2.1. Change in Signal Types . . . . . . . . . . . . . 3

1.2.2. Operation Complete and Operation Failure . . . . 3

1.2.3. Package Versions . . . . . . . . . . . . . . . . 4

1.2.4. Event Definitions, Aliases and Interoperability

Issues . . . . . . . . . . . . . . . . . . . . . 4

1.2.5. New Events . . . . . . . . . . . . . . . . . . . 5

1.3. New Packages and Excluded Packages . . . . . . . . . . . 5

2. Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.1. Generic Media Package. . . . . . . . . . . . . . . . . . 7

2.2. DTMF Package . . . . . . . . . . . . . . . . . . . . . . 11

2.3. Trunk Package. . . . . . . . . . . . . . . . . . . . . . 16

2.4. Line Package . . . . . . . . . . . . . . . . . . . . . . 24

2.5. Handset Emulation Package. . . . . . . . . . . . . . . . 33

2.6. Supplementary Services Tone Package. . . . . . . . . . . 36

2.7. Digit Map Extension. . . . . . . . . . . . . . . . . . . 37

2.8. Signal List Package. . . . . . . . . . . . . . . . . . . 38

2.9. Media Format Parameter Package . . . . . . . . . . . . . 39

2.10. RTP Package. . . . . . . . . . . . . . . . . . . . . . . 43

2.11....