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• CCITT Rec. T.30 (11/1988) – PROCEDURES FOR DOCUMENT FACSIMILE TRANSMISSION IN THE GENERAL SWITCHED TELEPHONE NETWORK
• CONTENTS
• 1 Scope
  • 1.1 General
  • 1.2 Classification of operating methods
  • 1.3 Station identification
  • 1.4 General provisions
  • 1.5 Optional provisions
• 2 Explanation of terms used
  • 2.1 Facsimile station main functions
  • 2.2 Time sequence of a facsimile call (see Figure 1/T.30)
  • 2.3 Description of phases
• 3 Description of a facsimile call
  • 3.1 Phase A - Call establishment
  • 3.2 Phases B, C and D - Facsimile procedure
  • 3.3 Phase E - Call release
• 4 Tonal signalling for facsimile procedure
  • 4.1 Description
  • 4.2 Flow diagram (Figure 9/T.30)
  • 4.3 Tonal signal functions and formats
• 5 Binary coded signalling for facsimile procedure
  • 5.1 Description
  • 5.2 Flow diagrams (see also Appendix IV)
  • 5.3 Binary coded signal functions and formats
  • 5.4 Binary coded signalling implementation requirements
• ANNEX A – Procedure for G3 document facsimile transmission in the general switched telephone network incorporating error correction
• A.1 Introduction
• A.2 Definitions
• A.3 Block size and frame size
• A.4 Information field (see also § 5.3.6)
• A.5 Flow control procedure
• A.6 Procedure interrupt
• A.7 Flow Diagrams
• A.8 Signal sequence examples in case of error correction procedure
• APPENDIX I – Example of non-standard manual-to-manual basic facsimile operation
• APPENDIX II – Index of abbreviations used in Recommendation T.30
• APPENDIX III – List of commands and appropriate responses
• APPENDIX IV – Interworking between the standard mode and the recognized optional mode for the binary coded handshaking procedure
• APPENDIX V – Signal sequence examples