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Chapter 7 Telecommunications, the Internet, and Wireless Technology 295

FIGURE 7.8 CLIENT/SERVER COMPUTING ON THE INTERNET

Client computers running Web browser and other software can access an array of services on servers over the Internet. These services may
all run on a single server or on multiple specialized servers.

Management shows that this may not always be the case. Many company man-
agers now believe they need to monitor and even regulate their employees’
online activity. But is this ethical? Although there are some strong business
reasons why companies may need to monitor their employees’ e-mail and Web
activities, what does this mean for employee privacy?
Voice over IP
The Internet has also become a popular platform for voice transmission
and corporate networking. Voice over IP (VoIP) technology delivers voice
information in digital form using packet switching, avoiding the tolls charged
by local and long-distance telephone networks (see Figure 7.9). Calls that

FIGURE 7.9 HOW VOICE OVER IP WORKS

A VoIP phone call digitizes and breaks up a voice message into data packets that may travel along different routes before
being reassembled at the final destination. A processor nearest the call’s destination, called a gateway, arranges the packets
in the proper order and directs them to the telephone number of the receiver or the IP address of the receiving computer.

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