D.18B Codelist 3153
Communication medium type code
Version historyCross references
A process that, on demand, connects two or more data terminal equipments and permits the exclusive use of a data circuit between them until the connection is released (ISO).
Communications number assigned by Societe Internationale de Telecommunications Aeronautiques (SITA).
Communications number assigned by Aeronautical Radio Inc.
A communication channel identifying a courier.
Express (e.g. overnight) postal service document delivery.
The cable is used as communication medium.
Number identifying the service and service user.
Exchange of mail by electronic means.
File transfer access method
According to ISO.
Device used for transmitting and reproducing fixed graphic material (as printing) by means of signals over telephone lines or other electronic transmission media.
GEIS (General Electric Information Service) mailbox
GEIS mailbox system is used as communication medium.
IBM information exchange
IBM IE is used as communication medium.
Internal mail address/number.
Postal service document delivery.
Postbox system is used as communication medium.
The process of routing and transferring data by means of addressed packets so that a channel is occupied only during the transmission; upon completion of the transmission the channel is made available for the transfer of other packets (ISO).
Communications address assigned by Society for Worldwide Interbank Financial Telecommunications s.c.
Voice/data transmission by telephone.
Text transmission via telegraph.
Transmission of text/data via telex.
Transmission of text/data via telemail.
Transmission of text/data via teletext.
Communication service involving Teletypewriter machines connected by wire or electronic transmission media. Teletypewriter machines are the devices used to send and receive signals and produce hardcopy from them.
CCITT Message handling system.