A Brief History of Your Office Telephone — and Your Smartphone

In 1876, Alexander Graham Bell spoke the first intelligible words over the first office telephone to his assistant. How has the telephone evolved since then?

How to See Call History on Your iPhone: View Details and Delete Calls

The evolution of the office phone

A Brief History of Telephone Technology

Smartphone - Wikipedia

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History of Phones - Future Phonics - Library Guides at Georgia Southern University

1. A Brief History of Mobile - Mobile Design and Development [Book]

Smartphone History - The First Smartphone

Smartphone, Camera, Battery Life & Storage