Method of processing cellular telephone call detail data for bil

Details Method of processing cellular telephone call detail data for bil Method of processing cellular telephone call detail data for bil

1990-02-01

1990-12-18

Schreyer, Stafford D.

Telephonic communications

With usage measurement

Call traffic recording by computer or control processor

379120, 379126, 379135, H04M 716, H04M 1506

Patent

active

049792075

ABSTRACT:
A unique cellular telephone billing system (100) processes call detail records (102) of cellular telephone calls made by users of multi-line customers to produce invoices and reports. The call detail records (301 and 302) for each user of a multi-line customer include a unique key identification number (311 and 321) and may include an information format (401 and 402) having variable-length sub-fields (411-415 and 421-423). Call detail records (102) with key identification numbers are pooled into files (110) and then sorted for each multi-line customer by key identification number and corresponding information format to produce consolidated billing and usage information for all of the cellular telephones as well as individual invoices for each of user-employee of each multi-line customer.

REFERENCES:
patent: 4640986 (1987-02-01), Yotsutani et al.

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