| telephone company | Fernsprechverwaltung |
| telephone conference | Telefonkonferenz |
| telephone conference equipment | Telefonkonferenzeinrichtung |
| telephone connection | Verbindung |
| telephone connections | Verbindungen |
| telephone connexion | Telefonanschluß |
| telephone console | Fernsprech-Vermittlungsschrank |
| telephone conversation | Telefongespräch |
| telephone conversations | Telefonate |
| telephone cord | Telefonschnur |
| telephone counselling service | Sorgentelefon |
| telephone current | Sprechstrom |
| telephone customer | Telefonkunde |
| telephone density | Fernsprechdichte |
| telephone dial | Telefonwählscheibe |
| telephone dialer | Telefonwählgerät |
| telephone directories | Telefonbücher |
| telephone directory | Telefonbuch |
| telephone ear-piece | Telefonmuschel |
| telephone engineer | Telefontechniker |
| telephone engineering | Fernsprechwesen |
| telephone enquiry | telefonische Anfrage |
| telephone equipment | Fernsprechanlage |
| telephone exchange | Zentrale |
| telephone exchanges | Telefonvermittlungen |
| telephone flex | Telefonschnur |
| telephone helpline | Telefonberatung |
| telephone hood | Telefonhaube |
| telephone hotline | Telefon-Hotline |
| telephone indicator | Telefonlampe |
| telephone information | telefonische Auskunft |
| telephone information service | Fernsprechansagedienst |
| telephone inquiry | telefonische Anfrage |
| telephone installation | Fernsprechanlage |
| telephone installations | Fernsprechanlagen |
| telephone installator | Sprechstelleneinrichter |
| telephone instrument | Fernsprechapparat |
| telephone interference | Telefonstörung |
| telephone interference factor | Fernsprechformfaktor |
| telephone interpreter | Telefondolmetscher |
| telephone interpreting | Telefondolmetschen |
| telephone interviewing | telefonische Befragung |
| telephone jack | TAE-Stecker |
| telephone jacket | Telefonsteckdose |
| telephone joker | Telefon-Joker |
| telephone junction box | Telefonverteiler |
| telephone keyboard | Fernsprechertastatur |
| telephone keypad | Fernsprechertastatur |
| telephone kiosk | Telefonzelle |
| telephone line | Fernsprechleitung |
| telephone lines | Fernsprechanschlüsse |
| telephone link | Gesprächsverbindung |
| telephone list | Fernsprechverzeichnis |
| telephone lists | Telefonverzeichnisse |
| telephone message | Telefongespräch |
| telephone message service | Fernsprechauftragdienst |
| telephone monitoring | Telefonüberwachung |
| telephone mouthpiece | Telefonmuschel |
| telephone network | Fernsprechnetz |
| telephone networks | Telefonnetze |
| telephone notification service | Benachrichtigungsdienst |
| telephone number | Rufnummer |
| telephone number , tel. no. | Fernsprechnummer |
| Telephone Number Mapping | Telephone Number Mapping |
| Telephone number portability | Rufnummernmitnahme |
| Telephone numbering plan | Telefonvorwahl |
| telephone off the hook | ausgehängtes Telefon |
| telephone office | Fernsprechamt |
| telephone operating company | Fernsprechverwaltung |
| telephone operation | Telefonbetrieb |
| telephone operator | Auskunft |
| telephone order | telefonische Bestellung |
| telephone pliers | Telefonzange |
| telephone plug | Klinkenstecker |
| telephone pole | Telefonmast |
| telephone poles | Telefonmasten |
| telephone post | Telefonmast |
| telephone receiver | Telefonhörer |
| telephone receivers | Telefonhörer |
| telephone recorder | Anrufbeantworter |
| telephone register | Telefonregister |
| telephone relay | Fernsprech-Relais |
| telephone rental | Fernsprechgebühr |
| telephone repeater | NF-Verstärker |
| telephone retailer | Telefonhändler |
| telephone sales | Telefonverkauf |
| telephone satellite | Telefonsatellit |
| telephone sb. | jdn. anrufen |
| telephone selling | Telefonverkauf |
| telephone service | Fernsprechdienst |
| telephone service fuse | Fernmeldesicherung |
