— tone-dialing , adj.
a system of calling telephone numbers wherein tones of differing pitch corresponding to the digits in the number called are electronically generated by manipulating pushbuttons (contrasted with pulse dialing ).
— tone-dialing , adj.
a system of calling telephone numbers wherein tones of differing pitch corresponding to the digits in the number called are electronically generated by manipulating pushbuttons (contrasted with pulse dialing ).
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012