AT&T ushers in the cross-country call, 100 years ago - CNET

CNET
AT&T ushers in the cross-country call, 100 years ago
CNET
On January 25, 1915, AT&T completed the first transcontinental telephone call in the US, after completing the challenging stretch from Denver to San Francisco. by James Martin · @Jamesco; 25 January 2015 12:01 pm GMT. comments. 0. facebook. twitter.
These phones made the first ceremonial transcontinental call 100 years agoMashable
Celebrating the 1915 phone call that shaped modern technologyNational Monitor
Celebratin