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Essential Guide to Telecommunications, The, Third Edition by Annabel Z. Dodd

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Dedicated Services

Dedicated services, also known as private lines, are similar to having two tin cans and a string between sites. The “string” and “tin cans” are for the exclusive use of the organization that leases them. The “string” portion is the medium over which the voice or data transmission is sent. The medium is generally copper, microwave or fiber optics. The “tin cans” are the devices, such as a telephone, modem or digital modem, that enables sites to transmit data, voice or video between locations.

The advent of the Internet has decreased commercial organizations' use of private lines. Organizations no longer need costly dedicated paths between sites to transmit corporate files and email. Many of them now use the public Internet or ...

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