Note: Examples of pulsing methods are dual-tone multifrequency (DTMF) signaling, in which a unique pair of audio frequencies represents each of the respective numerals or other characters on a keypad, and rotary dialing, in which dc pulses are generated by a rotary dial. Synonyms key pulsing (when using a keypad), dial pulsing (when using a rotary dial).
Source: from Federal Standard 1037C
Search Encyclopedia
|
Featured Article
|