Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of data transmission
Patent
1993-03-09
1994-11-29
Chin, Stephen
Telephonic communications
Diagnostic testing, malfunction indication, or electrical...
Of data transmission
379 9, 379 13, H04M 1500
Patent
active
053696808
ABSTRACT:
An apparatus for verifying the central office billing translations from a remote location is disclosed. The system includes a processor with software which generates patterned telephone calls through a test set at the switch at a switching station to all working access codes. The billing information of these calls is then recorded. Once the recorded information is processed, the records which originated from the test set are identified by their assigned telephone number. These records are extracted and preferably recorded such that they can be automatically verified against an accurate routing and billing table for the specific site. The table is preferably stored in the test set.
REFERENCES:
patent: 4393491 (1983-07-01), Ashlock et al.
patent: 4839916 (1989-06-01), Fields et al.
patent: 4937850 (1990-06-01), Borbas et al.
patent: 4945554 (1990-07-01), Krause et al.
patent: 5060256 (1991-10-01), Borbas et al.
patent: 5065393 (1991-11-01), Sissitt et al.
Borbas William F.
Hahn Douglas A.
Mines Thomas W.
Chin Stephen
Illinois Bell Telephone Company
Loomis Paul
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