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Topic: TELEPHONE, TELEGRAPH

dial tone

 noun
     
dial tone [countable]
TCT American English the sound you hear when you pick up the telephone that lets you know that you can make a call [= dialling tone British English]
Definition of dial tone from the Longman Dictionary of Contemporary English within
the topic TELEPHONE, TELEGRAPH

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answer answering machine area code beeper bleep busy cable(n) cable(v) caller cell cellphone cellular phone chat line code conference call connect cradle crossed dead dial(n) dial(v) dialling code disconnect earpiece ext. extension facsimile helpline hotline line local call mayday mobile mobile phone Morse code mouthpiece number operator phone book phone booth receiver redial ring scrambler SOS switchboard telegram telegraph(n) telegraph(v) telemarketing telephone(n) telephone(v) telephone call telephone directory telephone exchange telephone number telex toll-free trace unlisted voice mail wire(n) wire(v) wiretapping

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