Glossary Terms - "R"
Rate-of-return regulation
A method of price control that specifies the maximum rate of return that a telephone company is
authorized to earn. Rate-of-return regulations (obsolete and mostly disbanded) often set some
ratio of the phone company's net profit to its total invested capital. (See price cap regulation)
RBOC. Regional Bell Operating Company
To dismantle the nationwide monopoly of local and long-distance telephone service, the 1984
breakup of American Telephone & Telegraph Co. spawned seven regional Bell holding companies,
known as the Baby Bells: Ameritech, Bell Atlantic, BellSouth, NYNEX, Pacific Telesis,
Southwestern Bell and US West. Those seven holding companies subsumed all of the original
22 Bell "operating" companies.
Redundancy/ Redundant Card/ Redundant Power
Backup components used to ensure uninterrupted operation of a system in case of a failure
(also called “failsafe” or “nonstop”.)
Remote Access
Sending and receiving data to and from a computer through communications links such as phone lines.
Remote Call Forwarding
Similar to call forwarding. Calls from a local telephone number can be forwarded to long distance
number (in another city for example) without the caller be charged for long distance.
Resale
The service offered by an entity that does not own and operate its own facilities (plant). This
provider will purchase services from another vendor at a reduced rate, add a margin and sell the
service to end users. This provider then assumes the responsibility for customer service on sales,
repair and billing applications. In some cases, these providers use third party vendors to fulfill
these fuctions.
Router
A sophisticated, protocol-specific device that passes data between LANs by examining the data and
selecting the cheapest, fastest, or least-busy of all available routes. Functions at the network
layer of the OSI model.
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