As late as the 1970s, New York Telephone (today Verizon) was still maintaining electromechanical panel switches in its telephone exchanges that were developed in the middle of World War I and installed in Manhattan between 1922-1930. Reliance on infrastructure 40-50 years old is nothing new for telephone companies across North America. A Verizon technician in New York City is just as likely to descend into tunnels constructed well before they were born as is a Bell technician in Toronto.
Sourced through Scoop.it from: stopthecap.com
By Phillip Dampier. Outdated telecom infrastructures – time for replacement.