Apparatus and method to identify inter-MTA calls

Details Apparatus and method to identify inter-MTA calls Apparatus and method to identify inter-MTA calls

2006-08-08

2006-08-08

Tieu, Binh K. (Department: 2614)

Telephonic communications

With usage measurement

Call charge metering or monitoring

C379S121050, C455S432200

Reexamination Certificate

active

07088806

ABSTRACT:
Methods and apparatus for determining whether a phone call is an inter-MTA or an intra-MTA call. Call detail records are retrieved that describe the call. An originating MTA is determined using the originating NPA/NXX, while the terminating MTA is determined using the terminating NPA/NXX. The determined originating MTA is compared with the determined terminating MTA to determine whether the phone call is an inter-MTA or an intra-MTA call.

REFERENCES:
patent: 5734980 (1998-03-01), Hooper et al.
patent: 6757538 (2004-06-01), Howe
patent: 6909900 (2005-06-01), Howe
patent: 2005/0037750 (2005-02-01), Goering et al.
patent: 2005/0221863 (2005-10-01), Howe

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