| 44917 | Telefax (fax) machines | |
| 47223 | Telefax switcher used to control fax machines, answering machines, or PCs, by screening and routing each incoming call to the fax, the answering machine, PC modem or other telephone device | |
| 43560 | Teleferics | |
| 64119 | Teleferics, scheduled passenger transportation by | |
| 47223 | Telegraph apparatus for carrier-current line systems | |
| 47223 | Telegraph apparatus, electrical line | |
| 46929 | Telegraph apparatus, engine-room, for ships | |
| 84190 | Telegraph service | |
| 91134 | Telegraphy, administrative services related to | |
| 85931 | Telemarketing services | |
| 48249 | Telemetering systems, analogue | |
| 84190 | Telemetry | |
| 88743 | Telephone and facsimile equipment manufacturing services | |
| 47321 | Telephone answering machines (excl. those capable of recording messages and those forming an integral part of a telephone set) designed to transmit messages previously recorded by a separate sound-recording apparatus | |
| 47321 | Telephone answering machines (excl. those forming an integral part of a telephone set) designed to transmit and record messages | |
| 47223 | Telephone answering machines forming an integral part of a telephone set | |
| 88743 | Telephone answering machines manufacturing services | |
| 47321 | Telephone answering machines not incorporating a sound recording apparatus | |
| 85939 | Telephone answering services | |
| 84313 | Telephone books, accessed through web sites | |
| 84313 | Telephone books, online | |
| 84313 | Telephone books, on-line | |
| 84313 | Telephone books, provided over the Internet | |
| 85931 | Telephone call centre services | |
| 32230 | Telephone directories, in print | |
| 73125 | Telephone equipment, rental or leasing of, without operator | |
| 47330 | Telephone handsets | |
| 47221 | Telephone sets, operators', with microphone on chest-support and receiver in the form of a headphone set | |
| 85939 | Telephone wake-up call services | |
| 85991 | Telephone-based information services | |
| 47223 | Telephones (excl. those with cordless handsets) | |
| 47223 | Telephones, coin-operated | |
| 87153 | Telephones, maintenance and repair of | |
| 47222 | Telephones, radio, for installation in motor vehicles | |
| 91134 | Telephony, administrative services related to | |
| 47223 | Telephoto equipment, electrical line | |
| 47223 | Teleprinter receivers | |
| 47223 | Teleprinters | |
| 48315 | Telescopes for fitting to surveying and other measuring and controlling instruments | |
| 48269 | Telescopes, alignment or levelling | |