ETR 018 : 20004

Foreword
Introduction
1 Scope
2 References
3 Abbreviations
4 General principles applicable to all services
5 Impact of interworking situations
  5.1 Incoming calls from non-ISDNs
  5.2 BC and LLC application guidelines
6 Request and recognition of a basic telecommunication service
  in an ISDN environment
  6.1 Request and recognition of a circuit-mode bearer service
  6.2 Packet mode bearer service categories
  6.3 Request and recognition of a teleservice
7 Coding examples applicable to specific user applications
  7.1 Specific user applications of the circuit-mode 64 kbit/s
      unrestricted 8 kHz structured bearer service
  7.2 Specific user applications of the circuit mode 64 kbit/s
      8 kHz structured bearer service category usable for
      3,1 kHz audio information transfer
8 Interworking with non-European ISDNs supporting restricted
  64 kbit/s transfer capability
  8.1 Request by a calling terminal connected to a network
      supporting 64 kbit/s unrestricted digital information
      transfer
  8.2 Compatibility at the called terminal equipment connected
      to a network supporting 64 kbit/s unrestricted digital
      information transfer
  8.3 Request by a calling terminal connected to a non-European
      network supporting 64 kbit/s restricted digital information
      transfer
  8.4 Compatibility at the called terminal equipment connected to
      a non-European network using restricted digital information
      transfer
9 Codings in the case where non-ISDNs are involved
  9.1 Calls from PSTN to ISDN
  9.2 Calls from PSPDN to ISDN
  9.3 Calls from CSPDN to ISDN
Annex A: Bibliography
History