Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2006-10-03
2006-10-03
To, Doris H. (Department: 2616)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S352000
Reexamination Certificate
active
07116657
ABSTRACT:
A system and method for establishing a long distance call connection between call stations over the PSTN initiates a call connection request from a desktop application adapted to operate locally on a user workstation. The desktop application communicates call connection information to a long distance service provider server without requiring a web browser when a request is initiated by a user. Call connection information is processed by the long distance service provider server and an information packet is sent to a call controller, to effect a call connection over the PSTN via a TDM toll switch. A communication connection with the long distance service provider server is automatically established by the desktop application when a request is initiated, and subsequently released when the call connection request is received and processed by the long distance service provider.
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Low, C., “The Internet Telephony Red Herring”, Hewlett Packard Laboratories, Bristol, U.K., IEEE 1996, pp. 72-80.
Bereskin & Parr
Internet Operator (Asia) Pte. Ltd.
To Doris H.
Tran Thien D.
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