Communication Technology Update and Fundamentals, 14th Edition

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Telephony

William R. Davie, Ph.D.*

 

Why Study Telephony?

  • Telephones have become so accepted that in 1985 the US government created the Lifeline program to supply service to those in need.

  • The mobile phone era has produced a global shift in telecommunications technology and interpersonal communications.

  • The level of mobile and smart phone adoption around the world commands social, cultural, and economic attention.

  • Mobile telephony’s use of spectrum affects the dissemination of other digital media.

Introduction

Theodore Twombly is a star-crossed lover in writer/director Spike Jonze’s 2013 feature film, Her. Unfortunately, Twombly’s love interest is his smartphone’s operating system named Samantha, who finds other operating ...