• Rec. ITU-T F.200 (1988) – Teletex service
  • 1 Introduction
    • 1.1 Scope
    • 1.2 Service definitions
    • 1.3 Definitions of terms used in the Teletex service
    • 1.4 Availability of service
    • 1.5 Classes of call
    • 1.6 Restrictions on the use of the Teletex service
  • 2 Network requirements
  • 3 Numbering plan
  • 4 Character repertoire
  • 5 Operation of the Teletex service
    • 5.1 General
    • 5.2 Call phases
    • 5.3 Call identification
    • 5.4 Special services
  • 6 Quality of service
    • 6.1 General
    • 6.2 Teletex equipment
    • 6.3 Error protection
    • 6.4 International routes
    • 6.5 Availability of service
    • 6.6 Observations on the quality of the service
  • 7 Users' Teletex equipment
    • 7.1 General
    • 7.2 Character repertoire
    • 7.3 Storage
    • 7.4 Alarm indicators
    • 7.5 Teletex terminal identification
    • 7.6 Format of Teletex pages
    • 7.7 Information to the Teletex user
    • 7.8 Manual procedure for interrupted document resumption
    • 7.9 Automatic procedure for interrupted document resumption
  • 8 Customer information
    • 8.1 Directories
    • 8.2 Operating instructions
    • 8.3 Printing of Teletex numbers
  • 9 Tariff principles
  • ANNEX A – Standard format for reporting the results of service observations
  • ANNEX B – Glossary of terms used in the Teletex service
  • B.1 call phases
  • B.2 calling terminal
  • B.3 called terminal
  • B.4 interactive mode
  • B.5 fully automatic operation
  • B.6 interworking in the Teletex service between different networks
  • B.7 interworking between Teletex and other services
  • B.8 intercommunication
  • B.9 local mode
  • B.10 mixed mode of operation
  • B.11 multi-station Teletex installation
  • B.12 standardized option
  • B.13 storage within the network
  • B.14 Teletex call
  • B.15 Teletex page
  • B.16 Teletex document
  • B.17 Teletex equipment