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push-button dialing

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push-button dialing [′pu̇sh ¦bət·ən ′dī·liŋ]
(electronics)
Dialing a number by pushing buttons on the telephone rather than turning a circular wheel; each depressed button causes a transistor oscillator to oscillate simultaneously at two different frequencies, generating a pair of audio tones which are recognized by central-office (or PBX) switching equipment as digits of a telephone number. Also known as tone dialing; touch call.


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Entertaining as this is, it is still a real phone, not a toy, with a choice between tone or pulse push-button dialing, last number redial, and switchable messages.
Yang, managing director of Maxon's Overseas Sales Unit added: "ART's unique digit dialing feature will create a necessary interface for hands-free operation, eliminating distractions caused by push-button dialing.
 
 
 
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