- answer
- answering machine
- area code
- beeper
- bleep
- bleeper
- busy
- cable
- cable
- call box
- caller
- cell
- cellphone
- cellular phone
- chat line
- code
- conference call
- connect
- cradle
- crossed
- dead
- dial
- dial
- dialling code
- dialling tone
- dial tone
- directory enquiries
- disconnect
- earpiece
- Entryphone
- ex-directory
- ext.
- extension
- facsimile
- helpline
- hotline
- housephone
- line
- local call
- mayday
- mobile
- mobile phone
- Morse code
- mouthpiece
- number
- operator
- pay phone
- phone book
- phone booth
- phone box
- phonecard
- radio-telephone
- receiver
- redial
- ring
- scrambler
- SOS
- switchboard
- telegram
- telegraph
- telegraph
- telegrapher
- telegraphist
- telegraph pole
- telemarketing
- telephone
- telephone
- telephone book
- telephone box
- telephone call
- telephone directory
- telephone exchange
- telephone number
- telephone pole
- telephonist
- teleprinter
- teletypewriter
- telex
- toll-free
- Touch-Tone phone
- trace
- trunk call
- unlisted
- utility pole
- videophone
- voice mail
- wire
- wire
- wiretapping
