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). SITA Communications number assigned by Societe Internationale de Telecommunications Aeronautiques (SITA). ARINC Communications number assigned by Aeronautical Radio Inc. AT&T mailbox AT&T mailbox identifier. Peripheral device Peripheral device identification. U.S. Defense Switched Network The switched telecommunications network of the United States Department of Defense. U.S. federal telecommunications system The switched telecommunications network of the United States government. World Wide Web Data exchange via the World Wide Web. International calling country code Identifies that portion of an international telephone number representing the country code to be used when calling internationally. Alternate telephone Identifies the alternate telephone number. Videotex number Code that identifies the communications number for the online videotex service. Cellular phone Identifies the cellular phone number. International telephone direct line The international telephone direct line number. O.F.T.P. (ODETTE File Transfer Protocol) ODETTE File Transfer Protocol. Uniform Resource Location (URL) Identification of the Uniform Resource Location (URL) Synonym: World wide web address. Very High Frequency (VHF) radio telephone VHF radio telephone. X.400 address for mail text The X.400 address accepting information in the body text of a message. AS1 address Address capable of receiving messages in accordance with the EDIINT/AS1 protocol for MIME based EDI . AS2 address Address capable of receiving messages in accordance with the EDIINT/AS2 protocol. AS3 address Address capable of receiving messages in accordance with the EDIINT/AS3 protocol. File Transfer Protocol Address capable for receiving message in accordance with the File Transfer Protocol (IETF RFC 959 et. al.). Inmarsat call number Contact number based on Inmarsat. Cable address The communication number identifies a cable address. EDI transmission Number identifying the service and service user. Electronic mail Exchange of mail by electronic means. Extension Telephone extension. File transfer access method According to ISO. Telefax 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 The communication number identifies a GEIS mailbox. IBM information exchange The communication number identifies an IBM IE mailbox. Internal mail Internal mail address/number. Mail Postal service document delivery. Postbox number The communication number identifies a postbox. 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). S.W.I.F.T. Communications address assigned by Society for Worldwide Interbank Financial Telecommunications s.c. Telephone Voice/data transmission by telephone. Telegraph Text transmission via telegraph. Telex Transmission of text/data via telex. Telemail Transmission of text/data via telemail. Teletext Transmission of text/data via teletext. 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. X.400 address The X.400 address. Pager Identifies that the communication number is for a pager. International telephone switchboard The international telephone switchboard number. National telephone direct line The national telephone direct line number. National telephone switchboard The national telephone switchboard number.