Method and apparatus for establishing telephone calling costs

Details Method and apparatus for establishing telephone calling costs Method and apparatus for establishing telephone calling costs

1983-12-08

1985-08-27

Rubinson, Gene Z.

179 7R, H04M 1506, H04M 1534

Patent

active

045380309

ABSTRACT:
Small communication systems do not have a sufficiently large memory to store the vast amount of data required to determine the cost of interstate telephone calls using the conventional method. The disclosed telephone call cost establishing method and apparatus compresses the amount of data required by supplying a set of coordinates for a central point in each area code. The cost of an interstate call to any central office in an area code is then determined using the coordinates of the central point for that area code. Additionally, certain types of calls are priced using a predetermined price code stored in a variety of tables such as toll call allowed, frequently called numbers, personal line and facility tables.

REFERENCES:
patent: 4091238 (1978-05-01), Samuels et al.
patent: 4122308 (1978-10-01), Weinberger et al.
"Horizon.TM. Communication System; Custom Service for Small Business", R. R. Desjardins, J. A. Miller and C. D. Weiss, Bell Laboratories Record, vol. 55, No. 10, Nov. 1977, pp. 271-275.
"Keeping Your PABX Under Control", B. Koppenhoefer, Telecommunications, vol. 14, No. 1, Jan. 1980, pp. 69-74.
"Station Message Detail Recording is a Telecom Budget Watchdog", Lisa Kopf, Telephony, May 3, 1982, pp. 24,25.
"Facility Layout and Location--An Analytical Approach", R. L. Francis, J. A. White, published by Prentice-Hall, Inc., 1974, pp. 166-194.

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