Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of centralized switching system
Patent
1997-04-18
1999-03-02
Loomis, Paul
Telephonic communications
Diagnostic testing, malfunction indication, or electrical...
Of centralized switching system
379 34, 379112, 379114, 379 14, H04M 124, H04M 308, H04M 1500
Patent
active
058781145
ABSTRACT:
An electronic switching system (ESS) analyzes charge data automatically. The ESS comprises a generator for generating the charge data for a call; a recorder coupled with the generator for receiving the charge data from the generator and assembling a data block having a block header, a plurality of charge data and checksum value; a first memory for storing a multiplicity of the data blocks; an analyzer coupled with the first memory for checking the charge data of the data block to detect any erroneous charge data and search for a long call; a controller coupled with the analyzer for generating and transmitting a predetermined message for erroneous charge data to an operator and determining to verify the charge data for a subscriber of the long call; a verifier coupled with the generator for receiving from the generator and displaying the charge data; and a second memory coupled with the verifier for storing the verified charge data.
REFERENCES:
patent: 5369680 (1994-11-01), Borbas et al.
patent: 5539802 (1996-07-01), De Caluwe et al.
patent: 5729588 (1998-03-01), Chin et al.
Daewoo Telecom Ltd.
Loomis Paul
LandOfFree
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