CONTENTS

 1     Scope
 2     References
 3     Definitions
 4     Abbreviations
 5     Reference configurations
        5.1     Overall scenario for interconnection of VSAT networks to public ISDNs
        5.2     Case 1: Interconnection of a VSAT based private ISDN with ISPBX functionality to the public ISDN
        5.3     Case 2: Remote access to the public ISDN via a VSAT network
 6     Interface requirements
        6.1     ISDN basic access
        6.2     ISDN primary rate access
 7     Service interworking
        7.1     Bearer services
                  7.1.1     Bearer services for Case 1
                  7.1.2     Bearer services for Case 2
        7.2     Supplementary services
                  7.2.1     Supplementary services for Case 1
                  7.2.2     Supplementary services for Case 2
 8     Interworking requirements
        8.1     Addressing
        8.2     Access between public ISDN and VSAT based private network
 9     Performance considerations at the ISDN interface
        9.1     Parameter values for ISDN access signalling protocols
        9.2     Parameter values for end-to-end protocols
        9.3     Impacts on connection processing delays
Annex A – Guidelines for VSAT networks interconnecting with a public ISDN
        A.1     Introduction
        A.2     Interface Recommendations
                  A.2.1     Interface for Case 1
                  A.2.2     Interface for Case 2
        A.3     Circuit-mode performance Recommendations
                  A.3.1     Error performance
                  A.3.2     Availability performance
                  A.3.3     Slip rate performance
                  A.3.4     Jitter performance
        A.4     Network performance Recommendations
                  A.4.1     Performance-significant reference events
                  A.4.2     Network conditions
                  A.4.3     Connection processing delay recommendations
                  A.4.4     Packet mode delay Recommendations