On This Day in Telephone History November 18TH 1963 - Touch·Tone® service, featuring telephones with push-buttons instead of rotary dials, introduced in Carnegie and Greensburg, Pa., following marketing trials in Pennsylvania and Ohio. Service was offered on an optional basis at an extra charge.

On This Day in Telephone History November 18TH 1963

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On This Day in Telephone History November 18TH 1963 Touch·Tone® Service, featuring telephones with push-buttons instead of rotary dials, introduced in Carnegie and Greensburg, Pa., following marketing trials in Pennsylvania and Ohio. Service was offered on an optional basis at an extra charge.