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• Rec. ITU-T F.201 (1988) – Interworking between teletex service and telex service – general principles
• CONTENTS
• 1 Introduction
• 2 Basic interworking service
  • 2.1 Conversion
  • 2.2 Location of the conversion facilities in the case of international traffic
  • 2.3 Methods of interworking
  • 2.4 General service requirements for telex to teletex direction
  • 2.5 General service requirements for teletex to telex direction
• 3 Interworking with one-stage selection procedure for telex to teletex
  • 3.1 Service principles: telex to teletex direction
  • 3.2 Service principles: teletex to telex direction
• 4 Interworking with two-stage selection procedure for telex to teletex
  • 4.1 Service principles: telex to teletex direction
  • 4.2 Service principles: teletex to telex direction
• ANNEX A – Reactions to abnormal conditions during the telex input
• A.1 Telex connection clearing without the end of input signal
• A.2 Telex user pausing during input of address information
• A.3 Telex users stopping transmission without sending the end of input signal
• A.4 Telex users sending a WRU to the conversion facility during text input
• A.5 Telex users sending a text after the end of input signal
• A.6 Telex users clearing after the end of input signal and before the input message acknowledgement signal
• A.7 Telex users sending national variants of ITA2 characters (figure shift characters of F, G and H)
• A.8 The conversion facility detecting signal distortion during text input
• A.9 Telex users sending a bell signal
• A.10 CF's storage capacity overflow during telex message input
• ANNEX B – Glossary of terms
• B.1 General glossary
• B.2 Specific glossary to one-stage selection procedure
• B.3 Specific glossary to two-stage selection procedure
• B.4 Abbreviations