Section 701-01: Forms of telecommunications |  |
| 701-01-01 | | information |  |
| 701-01-02 | | signal |  |
| 701-01-03 | | transmission |  |
| 701-01-04 | | communication |  |
| 701-01-05 | | telecommunication |  |
| 701-01-06 | | telephony |  |
| 701-01-07 | | telegraphy |  |
| 701-01-08 | | telex (service) |  |
| 701-01-09 | | facsimile |  |
| 701-01-10 | | telewriting |  |
| 701-01-11 | | data |  |
| 701-01-12 | | data communication |  |
| 701-01-13 | | data transmission |  |
| 701-01-14 | | teleprocessing |  |
| 701-01-15 | | television |  |
| 701-01-16 | | telematics (services) |  |
| 701-01-17 | | videography |  |
| 701-01-18 | | broadcast videography |  |
| 701-01-19 | | videotex |  |
| 701-01-20 | | teletex (service) |  |
| 701-01-21 | | video-telephony |  |
| 701-01-22 | | teleconference |  |
| 701-01-23 | | audioconference |  |
| 701-01-24 | | videoconference |  |
| 701-01-25 | | telemetry |  |
| 701-01-26 | | telecommand |  |
| 701-01-27 | | telecontrol |  |
| 701-01-28 | | teleguidance |  |
| 701-01-29 | | telemonitoring |  |
| 701-01-30 | | remote alarm |  |
| 701-01-31 | | radiocommunication |  |
| 701-01-32 | | broadcasting |  |
| 701-01-33 | | broadcasting service |  |
| 701-01-34 | | sound broadcasting (service) |  |
| 701-01-35 | | television broadcasting |  |
| 701-01-36 | | cabled distribution |  |
Section 701-02: Channels, circuits and networks |  |
| 701-02-01 | | transmission channel |  |
| 701-02-02 | | telephone-type channel |  |
| 701-02-03 | | telecommunication circuit |  |
| 701-02-04 | | telephone-type circuit |  |
| 701-02-05 | | (frequency) channel |  |
| 701-02-06 | | transmission link |  |
| 701-02-07 | | telecommunication network |  |
| 701-02-08 | | (telecommunication) terminal |  |
| 701-02-09 | | subscriber's line |  |
| 701-02-10 | | port (of a network) |  |
| 701-02-11 | | transmission path |  |
| 701-02-12 | | radio wave |  |
| 701-02-13 | | radio, adj |  |
Section 701-03: Use and operation of circuits and networks |  |
| 701-03-01 | | connection |  |
| 701-03-02 | | complete connection |  |
| 701-03-03 | | switching (in telecommunication) |  |
| 701-03-04 | | call attempt |  |
| 701-03-05 | | call |  |
| 701-03-06 | | conversation, <in telecommunication> |  |
| 701-03-07 | | code |  |
| 701-03-08 | | modulation |  |
| 701-03-09 | | multiplexing |  |
| 701-03-10 | | demultiplexing |  |
| 701-03-11 | | multiple access |  |
| 701-03-12 | | space division |  |
| 701-03-13 | | time division |  |
| 701-03-14 | | frequency division |  |
| 701-03-15 | | code division |  |
| 701-03-16 | | simplex, adj and noun |  |
| 701-03-17 | | duplex, adj and noun |  |
| 701-03-18 | | unidirectional, adj |  |
| 701-03-19 | | bidirectional, adj |  |
| 701-03-20 | | one-way, adj |  |
| 701-03-21 | | both-way, adj |  |
| 701-03-161 | | simplex, adj |  |
| 701-03-162 | | simplex, noun |  |
| 701-03-171 | | duplex, adj |  |
| 701-03-172 | | duplex, noun |  |
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