D01C Code List 3155

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AA
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).
AB
Communications number assigned by Societe Internationale de Telecommunications Aeronautiques (SITA).
AC
Communications number assigned by Aeronautical Radio Inc.
AD
AT&T mailbox identifier.
AE
Peripheral device identification.
AF
The switched telecommunications network of the United States Department of Defense.
AG
The switched telecommunications network of the United States government.
AH
Data exchange via the World Wide Web.
AI
Identifies that portion of an international telephone number representing the country code to be used when calling internationally.
AJ
Identifies the alternate telephone number.
AK
Code that identifies the communications number for the online videotex service.
AL
Identifies the cellular phone number.
AM
The international telephone direct line number.
AN
ODETTE File Transfer Protocol.
AO
Identification of the Uniform Resource Location (URL) Synonym: World wide web address.
CA
The communication number identifies a cable address.
EI
Number identifying the service and service user.
EM
Exchange of mail by electronic means.
EX
Telephone extension.
FT
According to ISO.
FX
Device used for transmitting and reproducing fixed graphic material (as printing) by means of signals over telephone lines or other electronic transmission media.
GM
The communication number identifies a GEIS mailbox.
IE
The communication number identifies an IBM IE mailbox.
IM
Internal mail address/number.
MA
Postal service document delivery.
PB
The communication number identifies a postbox.
PS
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).
SW
Communications address assigned by Society for Worldwide Interbank Financial Telecommunications s.c.
TE
Voice/data transmission by telephone.
TG
Text transmission via telegraph.
TL
Transmission of text/data via telex.
TM
Transmission of text/data via telemail.
TT
Transmission of text/data via teletext.
TX
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.
XF
The X.400 address.
XG
Identifies that the communication number is for a pager.
XH
The international telephone switchboard number.
XI
The national telephone direct line number.
XJ
The national telephone switchboard number.