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LWC Training Corp.
Voice over IP Online Course
Lesson 1 - Voice over IP Overview
Voice over IP(VoIP) is the technology used to describe telephone services over a TCP/IP
network. The applications for this technology vary, including making telephone calls over the
Internet as well as intra organizational telephony. However nothing is simple and VoIP
requires modifications to network infrastructure and protocols as well as new hardware, such
as IP telephones, and new software. This module looks at the broad picture of sending voice
over a data network.
A. What is VoIP?
B. Residential/Small Business VoIP
C. Corporate VoIP
D. VoIP for Telephone companies and Service Providers
Review and Final Exercise
Upon completion of this section, students will:
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- Understand that Voice over IP is a technology that transmits telephone calls over an IP
based data network.
- Appreciate that telephone calls can be made over the Internet with a substantial savings in
cost but that this technology has problems with voice quality.
- Know that organizations are slowly embracing VoIP to replace their traditional analog
telephone systems and decrease their long distance telephone charges.