Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2011-01-25
2011-01-25
Patel, Hemant (Department: 2614)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S352000, C370S354000, C370S355000, C370S356000, C379S088170, C379S114220, C379S114280, C379S115010, C379S121010, C455S406000, C709S228000
Reexamination Certificate
active
07876744
ABSTRACT:
One embodiment of the present invention provides a collect call method and system thereof, more particularly, in order to charge the called party with a uniform toll for collect call, which is determined by only the type and location of called party terminal. In one embodiment, the collect call method, system and a counsel service providing method use a free VoIP network for part of the voice call link and a charge PSTN network for the rest of the voice call link. In one embodiment, if the first link corresponding to the collect call request is established, the collect call switch calls the called party terminal to establish the second link, and billing on the second link is initiated.
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Echelon Law Group, PC
Patel Hemant
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