Megaco Protocol Version 1.0
RFC 3015

Document Type RFC - Proposed Standard (November 2000; Errata)
Obsoleted by RFC 3525
Obsoletes RFC 2886, RFC 2885
Last updated 2013-03-02
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Network Working Group                                           F. Cuervo
Request for Comments: 3015                                      N. Greene
Obsoletes: 2885, 2886                                           A. Rayhan
Category: Standards Track                                 Nortel Networks
                                                               C. Huitema
                                                    Microsoft Corporation
                                                                 B. Rosen
                                                                  Marconi
                                                                J. Segers
                                                      Lucent Technologies
                                                            November 2000

                      Megaco Protocol Version 1.0

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 (2000).  All Rights Reserved.

Abstract

   This document defines the protocol used between elements of a
   physically decomposed multimedia gateway, i.e. a Media Gateway and a
   Media Gateway Controller.  The document is common text with ITU-T
   Recommendation H.248 and is a result of applying the changes in RFC
   2886 to the text of RFC 2885.

   The protocol presented in this document meets the requirements for a
   media gateway control protocol as presented in RFC 2805.

Cuervo, et al.              Standards Track                     [Page 1]
RFC 3015              Megaco Protocol Version 1.0          November 2000

TABLE OF CONTENTS

   1. SCOPE........................................................  6
   2. REFERENCES...................................................  6
        2.1 Normative references...................................  6
        2.2 Informative references.................................  9
   3. DEFINITIONS.................................................. 10
   4. ABBREVIATIONS................................................ 11
   5. CONVENTIONS.................................................. 11
   6. CONNECTION MODEL............................................. 11
        6.1 Contexts............................................... 14
                6.1.1 Context Attributes and Descriptors........... 15
                6.1.2 Creating, Deleting and Modifying Contexts.... 15
        6.2 Terminations........................................... 15
                6.2.1 Termination Dynamics......................... 16
                6.2.2 TerminationIDs............................... 17
                6.2.3 Packages..................................... 17
                6.2.4 Termination Properties and Descriptors....... 18
                6.2.5 Root Termination............................. 21
   7. COMMANDS..................................................... 21
        7.1 Descriptors............................................ 22
                7.1.1 Specifying Parameters........................ 22
                7.1.2 Modem Descriptor............................. 23
                7.1.3 Multiplex Descriptor......................... 23
                7.1.4 Media Descriptor............................. 24
                7.1.5 Termination State Descriptor................. 24
                7.1.6 Stream Descriptor............................ 25
                7.1.7 LocalControl Descriptor...................... 26
                7.1.8 Local and Remote Descriptors................. 27
                7.1.9 Events Descriptor............................ 30
                7.1.10 EventBuffer Descriptor...................... 32
                7.1.11 Signals Descriptor.......................... 32
                7.1.12 Audit Descriptor............................ 34
                7.1.13 ServiceChange Descriptor.................... 35
                7.1.14 DigitMap Descriptor......................... 36
                7.1.15 Statistics Descriptor....................... 41
                7.1.16 Packages Descriptor......................... 41
                7.1.17 ObservedEvents Descriptor................... 42
                7.1.18  Topology Descriptor........................ 42
        7.2 Command Application Programming Interface.............. 45
                7.2.1 Add.......................................... 46
                7.2.2 Modify....................................... 47
                7.2.3 Subtract..................................... 48
                7.2.4 Move......................................... 49
                7.2.5 AuditValue................................... 50
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