CONTENTS

 1     General definitions
        1.1     Telematicservices
                  1.1.1     Telematic services
                  1.1.2     Teletex service
                  1.1.3     Public facsimile service
                  1.1.4     Videotex service
                  1.1.5     Message handling service[1]
        1.2     Non-telematic services
                  1.2.1     Public data transmission service
                  1.2.2     Public telegram service
        1.3     Terms and definitions on videography
                  1.3.1     Videography
                  1.3.2     Broadcast videography, teletext
                  1.3.3     Videotex, interactive videography
 2     Definitions from different Working Parties
        2.1     Working Party I/1 (telex, radiotelex and mobile telematic services)
                  2.1.1     International store-and-forward
                  2.1.2     Interconnected store-and-forward
                  2.1.3     International transit store-and-forward
                  2.1.4     Interconnected transit store-and-forward
                  2.1.5     Draft terms and definitions on telex
        2.2     Working Party I/2 (telegram and message switching services)
        2.3     Working Party I/3 (teletex service)
                  2.3.1     Common definitions
                  2.3.2     Definitions of terms related to interworking
                  2.3.3     Mixed mode of operation
        2.4     Working Party I/4 (facsimile and telewriting)
                  2.4.1     Facsimile
                  2.4.2     Classes of group 4
                  2.4.3     Telefax
                  2.4.4     FAX 4
                  2.4.5     Bureaufax
                  2.4.6     Public telefax station
        2.5     Working Party I/5 (videotex service)
                  2.5.1     Videotex service
                  2.5.2     Videotex service profile
                  2.5.3     Videotex service facility
                  2.5.4     Videotex information retrieval
                  2.5.5     Videotex transaction
                  2.5.6     Videotex messaging [videotex message handling]
                  2.5.7     Videotex conferencing [videotex terminal-to-terminal messaging]
                  2.5.8     Videotex data processing
                  2.5.9     Videotex service provider
                 2.5.10     Videotex information provider
                 2.5.11     Videotex terminal
                 2.5.12     Videotex host computer
                 2.5.13     Videotex service centre
                 2.5.14     Videotex gateway
                 2.5.15     External videotex host computer
                 2.5.16     Videotex frame















[1] The definition of Message Handling service as a telematic service and the use of the term public in the definitions of telematic services is for further study.