CONTENTS

 1     Scope
        1.1     Networks identified
        1.2     Audio and video signals
        1.3     ISDN call set-up
 2     References
 3     Definitions
 4     Abbreviations
 5     Multipoint configuration
 6     Profile overview
 7     Basic profiles
        7.1     ISDN basic profile
        7.2     CSDN basic profile
        7.3     PSDN basic profile
        7.4     PSTN basic profile
        7.5     B-ISDN basic profile
        7.6     LAN basic profile
 8     Packet header to delimit data units in an octet stream
 9     Synchronization and convergence function
        9.1     SCF overview
        9.2     SCF procedures
        9.3     SCF messages
        9.4     Quality of Service parameters
10     Q.922 protocol parameters and options
11     Data link frame structure transparency for start-stop transmission
12     Physical sublayer formed by H.221 MLP channels
13     Alternative profiles
       13.1     Alternative: ISDN based on Recommendation Q.922
       13.2     Alternative: ISDN based on Recommendation T.90
       13.3     Alternative: ISDN based on Recommendation V.120
       13.4     Alternative: PSTN based on Recommendation H.324
       13.5     Alternative: B-ISDN based on Recommendation H.222
       13.6     Alternative: LAN based on data unit transfer
Annex A – Integration of multimedia signals framed according to Recommendation H.221
Annex B – Extended transport connections
        B.1     Scope
        B.2     Normative references
        B.3     Definitions
        B.4     Abbreviations
        B.5     Conventions
        B.6     Overview
                  B.6.1     Extended transport connection model
                  B.6.2     Transport services
                  B.6.3     Modified use of X.224
                  B.6.4     Connection negotiation protocol
        B.7     Extended transport connections
                  B.7.1     Initial connection establishment
                  B.7.2     Connection Re-establishment
                  B.7.3     Unreliable network service
        B.8     Extended profiles
                  B.8.1     Reliable transports
                  B.8.2     Unreliable transports
        B.9     Connection Negotiation Protocol (CNP)
                  B.9.1     Overview
                  B.9.2     Structure of CNP TPDUs
                  B.9.3     Control TPDUs
                  B.9.4     Data TPDU
                  B.9.5     Using CNP within X.224
                  B.9.6     ASN.1 definition
       B.10     Unreliable Segmentation and Reassembly protocol
                 B.10.1     Overview
                 B.10.2     Structure of Unreliable SAR TPDUs
Appendix I – Multimedia conference call set-up in the ISDN
        I.1     Introduction
        I.2     Basic requirements
        I.3     Connection phase
        I.4     Phase A (ISDN D-channel protocol)
        I.5     Phase B (H.242 protocol)
        I.6     Phase C (T.120-series protocol)
Appendix II – GSS-API security framework
       II.1     Introduction
       II.2     IETF common authentication technology (CAT)
                 II.2.1     IETF and CAT Working Group
                 II.2.2     GSS-API security framework
                 II.2.3     SPNEGO
       II.3     T.123 Annex B security framework
                 II.3.1     GSS-API: Carrying GSS-API tokens via X.224 class 0 or CNP