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• CCITT Rec. T.563 (11/1988) – TERMINAL CHARACTERISTICS FOR GROUP 4 FACSIMILE APPARATUS
• 1 General
• 2 Scope of Recommendations concerning Group 4 facsimile apparatus
• 3 General characteristics of the apparatus
  • 3.1 Basic characteristics
  • 3.2 Basic functions
  • 3.3 CCITT-standardized optional functions of Group 4 facsimile mode of operation
  • 3.4 Optional functions of Group 4 facsimile mode of operation for national standardization or private use
  • 3.5 Default conditions for Group 4 facsimile mode of operation
• 4 Mixed mode capabilities
• 5 Communications
  • 5.1 Storage
  • 5.2 Call identification
  • 5.3 Interworking
  • 5.4 Communication application profile for Group 4 facsimile document
• 6 Network-related requirements
  • 6.1 Networks
  • 6.2 Circuit-switched public data network (CSPDN)
  • 6.3 Packet-switched public data network (PSPDN)
  • 6.4 Public switched telephone network (PSTN)
  • 6.5 Integrated services digital network (ISDN)
• 7 Indicators
• 8 Access to facsimile MHS
• 9 Implementation of apparatus
• ANNEX A (to Recommendation T.563) – Guaranteed reproducible area for Group 4 apparatus conforming to Recommendation T.563
• APPENDIX I (to Recommendation T.563) – Ccommunication environment establishment