• ITU-T Rec. Q.761 (1988)
  • 1 General
  • 2 Services supported by the ISDN User Part
  • 3 Services assumed from the Message Transfer Part (MTP)
    • 3.1 General
    • 3.2 Description of primitives
  • 4 End-to-end signalling
    • 4.1 General
    • 4.2 SCCP method of end-to-end signalling
    • 4.3 Pass-along method of end-to-end signalling
  • 5 Future enhancements