Which of the following is the coding scheme used by touch-tone dialers?
A) DID
B) COCOT
C) DTMF
D) CPE

Name: Which of the following is the coding scheme used by touch-tone dialers? A) DID B) COCOT C) DTMF D) CPE
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Question

Quizplus · Accepted Answer

DTMF (Dual Tone Multi-Frequency) is the coding scheme used by touch-tone dialers, where each key press on a phone generates a combination of two tones, each representing a different frequency corresponding to a specific digit or symbol.

Which of the Following Is the Coding Scheme Used by Touch-Tone