2 3153 Communication medium type code [C]
4 Desc: Code specifying the type of communication medium.
9 A process that, on demand, connects two or more data
10 terminal equipments and permits the exclusive use of a
11 data circuit between them until the connection is
15 Communications number assigned by Societe Internationale
16 de Telecommunications Aeronautiques (SITA).
19 Communications number assigned by Aeronautical Radio
23 A communication channel identifying a courier.
26 The cable is used as communication medium.
29 Number identifying the service and service user.
32 Exchange of mail by electronic means.
37 FT File transfer access method
41 Device used for transmitting and reproducing fixed
42 graphic material (as printing) by means of signals over
43 telephone lines or other electronic transmission media.
45 GM GEIS (General Electric Information Service) mailbox
46 GEIS mailbox system is used as communication medium.
48 IE IBM information exchange
49 IBM IE is used as communication medium.
52 Internal mail address/number.
55 Postal service document delivery.
58 Postbox system is used as communication medium.
61 The process of routing and transferring data by means of
62 addressed packets so that a channel is occupied only
63 during the transmission; upon completion of the
64 transmission the channel is made available for the
65 transfer of other packets (ISO).
68 Communications address assigned by Society for Worldwide
69 Interbank Financial Telecommunications s.c.
72 Voice/data transmission by telephone.
75 Text transmission via telegraph.
78 Transmission of text/data via telex.
81 Transmission of text/data via telemail.
84 Transmission of text/data via teletext.
87 Communication service involving Teletypewriter machines
88 connected by wire or electronic transmission media.
89 Teletypewriter machines are the devices used to send and
90 receive signals and produce hardcopy from them.
93 CCITT Message handling system.