CONTENTS

 1     Introduction
        1.1     Scope
 2     General characteristics of the international telex service
 3     Operational aspects and basic characteristics of telex terminals derived from the service principles
        3.1     Permanently ready to receive
        3.2     Automatic print-out on continuous paper (e.g. roll)
        3.3     Effect on telex connections due to failures of resources
        3.4     Answerback unit
        3.5     Character set and character presentation
        3.6     Special character sequences
        3.7     Presentation of messages at sending and receiving terminals
        3.8     Conversational mode
        3.9     Stop of transmission by backward signals
       3.10     Verification of text
 4     References
        4.0     Definitions
        4.1     Basic characteristics of the international telex service
        4.2     Additional facilities of the international telex service
        4.3     Charging and accounting, Quality of Service, statistics
        4.4     Service oriented network aspects
        4.5     Mobile services (maritime, satellite)/Radiotelex
        4.6     Interworking with other services