CONTENTS

 1     Scope and field of application
 2     Normative references
        2.1     Identical Recommendations | International Standards
        2.2     Paired Recommendations | International Standards equivalent in technical content
        2.3     Additional references
 3     Definitions
        3.1     Reference Model definitions
        3.2     X.25 Packet Layer Protocol definitions
        3.3     Multicast service definitions
 4     Abbreviations
 5     Description of multicast service for members of a multicast group with interfaces operating in the extended mode
 6     X.25 protocol element restrictions for DTEs operating in the extended mode
 7     Multicast group creation and membership control
        7.1     General
        7.2     Group attributes
 8     Multicast Call attributes
        8.1     Multicast Call Establishment attributes
        8.2     Data Transfer attributes
        8.3     Types of Data Transfer
 9     Multicast service model
10     Multicast Service Sublayer
       10.1     Services Provided by the Multicast Service Sublayer
       10.2     Services assumed by the Multicast Service Sublayer
       10.3     Multicast Service Sublayer Protocol Procedures
       10.4     Mapping between X.6 messages and SMM primitives
11     Subnetwork Dependent Mapping Sublayer
       11.1     Services provided by the Subnetwork Dependent Mapping Sublayer
       11.2     Services assumed by the Subnetwork Dependent Mapping Sublayer
12     Encoding Principles for SNDME
       12.1     General
       12.2     Parameter Type Encoding
       12.3     Parameter Value Encoding
13     X.25 PLP/8208 sublayer
       13.1     Procedures for Flow Control
       13.2     Procedure for Reset
       13.3     Other procedures
       13.4     Optional user facilities
Annex A – Summary of Group and Call attributes
        A.1     Group attributes
        A.2     Call Attributes
        A.3      Data Transfer attributes
Annex B – Protocol Encoding of Multicast parameters in X.25 packets
        B.1     Establishment of Multicast Call with Attribute values Different from Default values
        B.2     Support of Recommendation X.6 Multicast services