The Evolution of the PBX

8/5/99

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Table of Contents

The Evolution of the PBX

1973

1998

POTS -

KSU - Key System Unit

PBX -

For $1,500

Lucent & Northern are 75% of the Market

Author: James L. Watters

Email: dvua@mailcity.com

Home Page: http://members/tripod.com/dvua/main.html