PSTN VOIP reconciliation

Details PSTN VOIP reconciliation PSTN VOIP reconciliation

2008-04-01

2011-12-20

Anwah, Olisa (Department: 2614)

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Of trunk or long line

C379S014010, C379S001040, C370S352000

Reexamination Certificate

active

08081735

ABSTRACT:
A method for determining if a which node through which a signal is propagated i (e.g., PSTN or VOIP) when the distances from the source to VOIP modem and PSTN connections are both known, the steps making a measurement that indicates a distance that a signal travels from a source to a point of reflection (e.g., a PSTN or VOIP connection) and comparing the measurement to known values corresponding to the distances from the source to closest VOIP and PSTN nodes.

REFERENCES:
patent: 7003098 (2006-02-01), Smith
patent: 7460467 (2008-12-01), Corcoran
patent: 2008/0008162 (2008-01-01), Martinez et al.

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