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Telephony

William R. Davie, Ph.D.*

Overview

Telephony is a catch-all term for electronic communication linked to the invention and development of the telephone. In modern terms, the mobile handset offers verbal exchanges of telephony and is complemented by the broadband delivery of text, graphics, audio, and video content. Today, the smartphone is the primary instrument of telephony, serving billions of people worldwide and contributing to the global economy. The captivating experiences provided by smartphone apps have put mobile telephony at the center of the telecommunications revolution where machine-to-machine communications (M2M) and the Internet of Things (IoT) drive innovation.

Introduction

Telephony transmits streams of voice ...

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