O'Reilly logo

VoIP For Dummies by Timothy V. Kelly

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 2

VoIP: Not Your Father’s Telephone Service

In This Chapter

bullet Uncovering the origins of VoIP

bullet Telephoning using analog lines

bullet Going digital

bullet Networking analog and digital

bullet Digitizing the public telephone network

bullet Raging war between circuits and packets

bullet Replacing POTS phone systems with VoIP

bullet Discovering how private telephone systems reduce POTS costs

bullet Watching network types multiply and morph

Voice over IP represents a significant change from the traditional way that telephone calls have been handled until recently. Even so, the genesis of VoIP is rooted in the history of networks, specifically, ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required