• ITU-T Rec. Q.699 (1988)
  • 1 General
    • 1.1 Introduction
    • 1.2 Purpose
    • 1.3 Scope
    • 1.4 Relationship to other Recommendations
  • 2 Methodology
    • 2.1 General
    • 2.2 Interworking model
    • 2.3 Time sequence diagrams
    • 2.4 Mapping tables
  • 3 Interworking specification for successful call set-up procedures
    • 3.1 Arrow diagrams
    • 3.2 Mapping of Parameters
    • 3.3 Mapping of the parameter fields
  • 4 Release procedures
    • 4.1 Arrow diagram
    • 4.2 Mapping of parameters
  • 5 Interworking specification for unsuccessful set-up procedure
    • 5.1 Arrow diagram
    • 5.2 Mapping of parameters
  • 6 Interworking specifications for suspend/resume procedures
    • 6.1 Arrow diagrams
    • 6.2 Mapping of parameters
  • ANNEX A – Source of busy tone generation
  • A.1 Introduction
  • A.2 Terminology
  • A.3 Rules
  • ANNEX B – Usage of “Cause” in Recommendations Q.931, Q.763 and Q.730
  • B.1 Format
  • B.2 Codes used in the sub-field of the fiCausefl