Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2006-08-29
2006-08-29
To, Doris H. (Department: 2616)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C379S201110
Reexamination Certificate
active
07099304
ABSTRACT:
Anonymous voice communication between a first station and a second station is facilitated by providing an interface that allows input of a transaction specification from at least one of the first and second stations. A reference code associated with the transaction is generated, there being a defined relationship between the reference code and the address of the second station for voice communication. The reference code is supplied to the first station, and a voice communication request and the reference code are received from the first station. The reference code is used to recover said address and a channel for voice communication is opened between said first and second stations. Voice communication can thereby be established between the first and second stations without providing the address of the second station to the first station.
REFERENCES:
patent: 5818836 (1998-10-01), DuVal
patent: 6148067 (2000-11-01), Leipow
Hoshi et. al., Voice Stream Multiplexing between IP telephony Gateways, IEICE TRANS Dated Apr. 4, 1999.
Chang William Ho
Liu Christina Ying
Flexiworld Technologies, Inc.
Smith-Hill John
To Doris H.
Wilson Robert W.
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