CONTENTS

 1     Scope
 2     References
 3     Definitions
 4     Abbreviations
 5     Conventions
 6     System description
        6.1     System configuration
        6.2     Terminal types
                  6.2.1     Unidirectional terminal types (ROT and SOT)
                  6.2.2     Bidirectional terminal types (RAST)
        6.3     Terminal capabilities
                  6.3.1     Video capabilities
                  6.3.2     Audio capabilities
                  6.3.3     Data capabilities
                  6.3.4     Network Adaptation Capabilities (NAC)
                  6.3.5     Signalling capabilities
        6.4     The use of the H.245 control channel
                  6.4.1     Master slave determination
                  6.4.2     Capabilities exchange
                  6.4.3     Logical channel signalling
                  6.4.4     Mode request
                  6.4.5     Round trip delay
                  6.4.6     Maintenance loop
                  6.4.7     Specific commands and indications
 7     H.310 call phases
        7.1     Native H.310 communication call procedures
                  7.1.1     Phase A (call setup)
                  7.1.2     Phase B (audiovisual communication)
                  7.1.3     Phase C (call release)
        7.2     H.320/H.321 interoperation call procedures
 8     Multipoint communication
        8.1     Native H.310 communication modes
        8.2     H.320/H.321 interoperation modes
        8.3     Other aspects
 9     Equipment requirements
10     Error resilience
       10.1     Video layer
       10.2     Multimedia multiplex layer
11     Maintenance loop
12     Intercommunications
       12.1     Intercommunication between different terminal types
       12.2     Intercommunication with N-ISDN terminals
       12.3     Intercommunication with telephony
       12.4     Intercommunication with audiovisual terminals connected to other networks
Annex A – Protocol stack for control channel
        A.1     General
        A.2     X.214
        A.3     X.224
        A.4     LAPF (Q.922)
        A.5     FR-SSCS (I.365.1) and H.222.1
                  A.5.1     FR-SSCS (I.365.1)
                  A.5.2     H.222.0 and H.222.1
Annex B – Use of DSS 2 signalling by H.310 terminals
        B.1     DSS 2 signalling information elements
        B.2     ATM signalling required for the H.310 control VC
        B.3     ATM Signalling Required for RAST-1 A/V VC
        B.4     ATM Signalling Required for H.310 SOT/ROT-1
        B.5     ATM Signalling Required for RAST-5 A/V VC
        B.6     ATM Signalling Required for H.310 SOT-5
        B.7     ATM Signalling Required for H.310 ROT-5
Annex C – Procedures for intercommunication between RAST-1 and RAST-5 terminals
        C.1     Introduction
        C.2     Two RAST-5 terminals on CPN
        C.3     RAST-5 Terminal on CPN with RAST-1 Terminal on Public B-ISDN
                  C.3.1     RAST-5 Terminal on CPN calls RAST-1 Terminal on B-ISDN
                  C.3.2     RAST-1 Terminal on B-ISDN calls RAST-5 Terminal on CPN
        C.4     RAST-5 Terminal on CPN with RAST-1 Terminal on CPN
Appendix I – Bit and byte order
Appendix II – H.310 CorrelationID