ITU-T Rec. I.510 (11/1988) – Definitions and general principles for ISDN interworking
1 Introduction
2 Scope
3 Abbreviations
4 Definitions
5 Telecommunication services to be supported by ISDN interworking configurations
6 ISDN interworking configurations
7 Interworking functional requirements – General aspects
8 General aspects of selection mechanisms for interworking functions