Japan reproduces Bell telephones
Telephone service begins in Canada, Mexico, Australia, Sweden and Denmark
First telephone lines in Constantinople and Egypt
Metallic circuit introduced
First multiplexed telephone circuits
Type C carrier system deployed
Transistors first used in telephone equipment
Improved echo suppressors deployed
Boyle and Smith invent the charge-coupled device, a chip that transforms light into electrical info
No. 4 ESS digital toll switch deployed
Japan achieves nationwide automatic telephone service
Northern Telecom DMS-100 digital switch
First trial of Bell Labs' cellular communication system begins
Bell Labs creates first single-chip digital signal processor (DSP)
Siemens debuts digital telephone switching
TAT-8: First transatlantic fiber optic cable
TPC-3: First transpacific fiber optic cable
SS7 signaling becomes widespread
VoIP demonstrated commercially
