0 Introduction
1
Scope and field of application
2
References
3
Definitions
4
Abbreviations
5
General aspects
5.1 CSPDN
5.2 ISDN (CS)
5.3 Call control between the CSPDN and ISDN
6
Specification of interworking
functions
6.1 Interworking functions for identical data transmission
services
6.1.1 Physical link characteristics and interworking functions
assigned to layer 1
6.1.2 Support of the OSI-NLS
6.1.3 Signalling conversion (protocol mapping)
6.1.4 Protocol mapping for supplementary services
6.1.5 Mapping of service signals and causes
6.2 Interworking functions for non-identical data transmission
services
6.2.1 Physical link characteristics and interworking functions
assigned to layer 1
6.2.2 Support of the OSI-NLS
6.2.3 Signalling conversion (protocol mapping)
6.2.4 Protocol mapping for supplementary services
6.2.5 Mapping of service signals and causes
7
Operation and maintenance