What is a Touch Tone Telephone?
The touch tone telephone is a communication device that makes use of a form of telephone switching that is known as dual-tone multi-frequency. DTMF replaced the earlier pulse style of switching that was common with the rotary dial phones commonly used through the 1970’s. A simple telephone keypad replaced the rotary dial on the newer touchtone telephone units that are now the industry standard for both cell phones and landline service. Development of touchtone services began in the middle of the 20th century, and were first introduced to a wide sector of the consumer market in the early 1970’s. The basic process of the new tone dialing made it possible to switch calls with more efficiency, and also created the means of using specific tones to access a range of ancillary services that were not possible with the traditional pulse signal. In order to take full advantage of these new capabilities, major telephone service providers around the world began to order the manufacture of touc
The touch tone telephone is a communication device that makes use of a form of telephone switching that is known as dual-tone multi-frequency. DTMF replaced the earlier pulse style of switching that was common with the rotary dial phones commonly used through the 1970’s. A simple telephone keypad replaced the rotary dial on the newer touchtone telephone units that are now the industry standard for both cell phones and landline service. Development of touchtone services began in the middle of the 20th century, and were first introduced to a wide sector of the consumer market in the early 1970’s. The basic process of the new tone dialing made it possible to switch calls with more efficiency, and also created the means of using specific tones to access a range of ancillary services that were not possible with the traditional pulse signal. In order to take full advantage of these new capabilities, major telephone service providers around the world began to order the manufacture of touch to
