D.05B Codelist 3153
Communication medium type code
Version historyCross references
| AA |
Circuit switching
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).
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| AB |
SITA
Communications number assigned by Societe Internationale de Telecommunications Aeronautiques (SITA).
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| AC |
ARINC
Communications number assigned by Aeronautical Radio Inc.
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| AD |
Courier
A communication channel identifying a courier.
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| AE |
Express post
Express (e.g. overnight) postal service document delivery.
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| CA |
Cable address
The cable is used as communication medium.
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| EI |
EDI transmission
Number identifying the service and service user.
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| EM |
Electronic mail
Exchange of mail by electronic means.
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| EX |
Extension
Telephone extension.
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| FT |
File transfer access method
According to ISO.
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| FX |
Telefax
Device used for transmitting and reproducing fixed graphic material (as printing) by means of signals over telephone lines or other electronic transmission media.
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| GM |
GEIS (General Electric Information Service) mailbox
GEIS mailbox system is used as communication medium.
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| IE |
IBM information exchange
IBM IE is used as communication medium.
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| IM |
Internal mail
Internal mail address/number.
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| MA |
Mail
Postal service document delivery.
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| PB |
Postbox no.
Postbox system is used as communication medium.
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| PS |
Packet switching
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).
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| SW |
S.W.I.F.T.
Communications address assigned by Society for Worldwide Interbank Financial Telecommunications s.c.
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| TE |
Telephone
Voice/data transmission by telephone.
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| TG |
Telegraph
Text transmission via telegraph.
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| TL |
Telex
Transmission of text/data via telex.
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| TM |
Telemail
Transmission of text/data via telemail.
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| TT |
Teletext
Transmission of text/data via teletext.
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| TX |
TWX
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.
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| XF |
X.400
CCITT Message handling system.
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