| Telefonvorwahl | area code |
| Telefonverkauf | telemarketing |
| Telefonhörer | handset telephone receiver |
| Telefonkarte | phonecard |
| Telefonstreich | prank call |
| Telefonverkäufer | telemarketer |
| Telefonat | telephone call telephone conversation |
| Telefonbuch | phone book telephone directory telephone book directory white pages |
| Telefonmast | utility pole |
| Telefonterror | telephone harassment telephone terror |
| telefonieren | telephone |
| telefonisch | telephonic |
| Telefonalphabet | phonetic spelling alphabet |
| Telefonist | telephone operator |
| Telefonistin | telephone operator |
| Telefonsex | phone sex |
| Telefon | telephone phone |
| Telefongespräch | telephone conversation |
| Telefonie | telephony |
| Telefonleitung | telephone line |