On This Day In Telephone History January 20TH 1880 – The First international telephone line opened. Connected between Detroit, MI and Windsor, Canada.

On This Day In Telephone History January 20TH 1880

by
On This Day In Telephone History January 20TH 1880 – The First International Telephone Line opened.
Connected between Detroit, MI and Windsor, Canada.

🛠 Think Like a Telephone Engineer

Every breakthrough in telephone history began with an engineer solving a problem. Could you solve it?

▶ Start Today's Challenge