Touch-Tone dialing system References Images Touch-Tone dialing system Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: telephone/ Push-button dialing…electronic push-button system, known as Touch-Tone dialing, was offered to AT&T customers. Touch-Tone soon became the standard U.S. dialing system, and eventually it became the standard worldwide. Read More…electronic push-button system, known as Touch-Tone dialing, was offered to AT&T customers. Touch-Tone soon became the standard U.S. dialing system, and eventually it became the standard worldwide. Read More