On November 18, 1963, the first electronic push-button system with touch-tone dialing was commercially offered by Bell Telephone to customers in the Pittsburgh area towns of Carnegie and Greensburg, Pennsylvania, after the DTMF system had been tested for several years in multiple locations, including Greensburg.

When did phones change from rotary to push-button?

The rotary dial phone was once the be all and end all of the telephones. Like the cellphone of today, everybody had one, and they ruled domestic communications for decades. But that all changed in the 1980s when they were supplanted by a new upstart, push-button telephones.

When was the first push-button pay phone?

TSR 8012 Rhapsody Telephone

Designed by Atea of Belgian these early push-button telephone were manufactured by GTE in 1982 and marketed within the Telephone Special Range (TSR) as the Rhapsody.