Qualifier Value
Qualifier values of 3153 in D08A
Communication medium type code (an1..3)
Code specifying the type of communication medium.
| Code | Description | 
|---|---|
| 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). | 
| AB | SITA Communications number assigned by Societe Internationale de Telecommunications Aeronautiques (SITA). | 
| AC | ARINC Communications number assigned by Aeronautical Radio Inc. | 
| AD | Courier A communication channel identifying a courier. | 
| AE | Express post Express (e.g. overnight) postal service document delivery. | 
| CA | Cable address The cable is used as communication medium. | 
| EI | EDI transmission Number identifying the service and service user. | 
| EM | Electronic mail Exchange of mail by electronic means. | 
| EX | Extension Telephone extension. | 
| FT | File transfer access method According to ISO. | 
| 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. | 
| GM | GEIS (General Electric Information Service) mailbox GEIS mailbox system is used as communication medium. | 
| IE | IBM information exchange IBM IE is used as communication medium. | 
| IM | Internal mail Internal mail address/number. | 
| MA | Mail Postal service document delivery. | 
| PB | Postbox no. Postbox system is used as communication medium. | 
| 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). | 
| SW | S.W.I.F.T. Communications address assigned by Society for Worldwide Interbank Financial Telecommunications s.c. | 
| TE | Telephone Voice/data transmission by telephone. | 
| TG | Telegraph Text transmission via telegraph. | 
| TL | Telex Transmission of text/data via telex. | 
| TM | Telemail Transmission of text/data via telemail. | 
| TT | Teletext Transmission of text/data via teletext. | 
| 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. | 
| XF | X.400 CCITT Message handling system. | 
