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• 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