the first touch tone phone came out in 1973.
the first touch tone phone came out in 1973.
when did the first touch tone phone come out?
1973
Na
Na
speed dialing is also available via custom calling features from the telephone company's central office. the numbers are programmed by the subscriber through the standard telephone dial, and speed dial calls are placed by dialing simply the digit and waiting a few seconds on a standard rotary dial phone and an older 10 key touch tone phone, or by dialing the number and the # key to instantly connect the call on a modern 12 key touch tone phone.
speed dial