CONTENTS

 1     Scope
 2     References
        2.1     Normative references
        2.2     Informative references
 3     Terms, definitions and abbreviations
        3.1     Terms and definitions
        3.2     Abbreviations
 4     Conventions
 5     Introduction
        5.1     Relation with H.323 standards
        5.2     Relation with IETF standards
        5.3     Relation to RFC 3435 and ABNF Grammar
 6     Media Gateway Controller Interface (MGCI)
        6.1     Model and naming conventions
        6.2     SDP use
        6.3     Gateway control functions
        6.4     States, failover and race conditions
        6.5     Return codes and error codes
        6.6     Reason codes
        6.7     Use of local connection options and connection descriptors
 7     Media gateway control protocol
        7.1     General description
        7.2     Command header
        7.3     Response header formats
        7.4     Session description encoding
        7.5     Transmission over UDP
        7.6     Piggybacking
        7.7     Transaction identifiers and three-way handshake
        7.8     Provisional responses
 8     Security
Annex A – Event packages
        A.1     Line package
        A.2     FAX Package
Annex B – Dynamic Quality of Service
Appendix I – Example event package

Appendix II – Example command encodings
       II.1     NotificationRequest
       II.2     Notify
       II.3     CreateConnection
       II.4     ModifyConnection
       II.5     DeleteConnection (From the Call Agent)
       II.6     DeleteConnection (From the Embedded Client)
       II.7     DeleteConnection (Multiple Connections From the Call Agent)
       II.8     AuditEndpoint
       II.9     AuditConnection
      II.10     RestartInProgress
Appendix III – Example call flow
Appendix IV – Connection mode
Appendix V – Compatibility information
Appendix VI – Additional example event packages
Appendix VII – Event packages
Appendix VIII – Application of the NCS protocol to a SCN IPAT
     VIII.1     Overview
     VIII.2     IPAT architecture
     VIII.3     Electrical and physical interface requirements
     VIII.4     NCS package for V5 SCN protocol messages
     VIII.5     Provisioning configurations
     VIII.6     European Line Package support
     VIII.7     Call flow examples
Appendix IX – Metering support for IPCablecom NCS
       IX.1     Objectives
       IX.2     Automatic metering package
       IX.3     Use cases – Example call flows
       IX.4     Terms
Appendix X – ABNF Grammar for NCS
BIBLIOGRAPHY