What is the History of the Telephone? | Telephone History Facts

The Evolution of Telephone Technology: A Brief History

The Story of the Landline: Learn the history of Britain’s telephone network

Answering Telephone in Hotel & Restaurant: DOs & DON'Ts

15 Rules On How to Answer an Office Phone Professionally. Every Single Time.

How the Telephone Was Invented | Britannica

Science history: First two-way phone call across outdoor lines made by Alexander Graham Bell — Oct. 9, 1876