• CCITT Rec. X.320 (11/1988) – GENERAL ARRANGEMENTS FOR INTERWORKING BETWEEN INTEGRATED SERVICES DIGITAL NETWORKS (ISDNs) FOR THE PROVISION OF DATA TRANSMISSION SERVICES
  • CONTENTS
  • 0 Introduction
  • 1 Scope and field of application
  • 2 References
  • 3 Definitions
  • 4 Abbreviations
  • 5 General aspects
    • 5.1 ISDN
    • 5.2 Call control between the ISDN and ISDN
    • 5.3 Functionalities of the ISDN
  • 6 Specific interworking arrangements
    • 6.1 Interworking between ISDNs, where a packet switched bearer is requested on each
    • 6.2 Interworking between ISDNs where a circuit switched bearer is requested on each
    • 6.3 Interworking between ISDNs where a packet switched bearer is used on one, and a circuit switched bearer is used on the other