Telephonic communications – With usage measurement – Call traffic recording by computer or control processor
Reexamination Certificate
2005-10-11
2005-10-11
Nguyen, Duc (Department: 2643)
Telephonic communications
With usage measurement
Call traffic recording by computer or control processor
C379S114030, C379S114100, C379S114020
Reexamination Certificate
active
06954519
ABSTRACT:
A call schedule is received that includes a plurality of sample calls to be made by an automated calling station. The plurality of sample calls are automatically placed on the network using the automated calling station. At least one final billing record corresponding to the at least one completed sample call is received. The call data is processed to determine billed cost data. The billed cost data is compared to the previous cost data and a change in the rate plan is detected based on the comparison of the billed cost data to the previous cost data.
REFERENCES:
patent: 6023500 (2000-02-01), Kearns et al.
patent: 6678363 (2004-01-01), Kearns et al.
Briskman Neil M.
Chipman Crisella S. J.
Kearns James A.
Linton Thomas L.
Smith Keith C.
Nguyen Duc
SBC Properties L.P.
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