receiving the similar monthly statements and using the same dialing protocols as on traditional phones. Calls can be made from cellular phones to wired phones and vice versa without additional action by the users (James 32). Pagers also use wireless technology; callers enter a numeric message (or alphanumeric, depending on the sophistication of the pager) and the message is transmitted to a paging device. Both pagers and cellular phones are subject to range restrictions, which limit their usefulness.
Increasingly, wireless communication is being used for data communication between computers and computer networks, which effectively takes paging technology a step further. Pagers send the information of a phone number or short message to a receiving device; through wireless communication, personal data assistants (PDAs) and similar devices can transmit entire documents and electronic mail from one computer system to another. In this way, sales representatives in the field can receive contract authorization
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