Telephone communication system

Details Telephone communication system Telephone communication system

2007-10-09

2007-10-09

Pham, Brenda (Department: 2616)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S386000

Reexamination Certificate

active

10134776

ABSTRACT:
A telephone communication system is disclosed, in which a plurality of telephone stations based on an Internet protocol are connected to a LAN network to form an IP network including at least one constituent unit. Each constituent unit of said IP network, comprising: SIP server means based on a protocol defined for controlling the start, end and change of a session of an interactive communication; resource management server means for the control storage and delivery of station state databases of said plurality of telephone stations, and application server means. The SIP server means, the resource management server means and the application server means are connected to said LAN internet for offering required services to said plurality of telephone stations, so that information transmission among said plurality of telephone stations and each of said server means are performed on a packet-wise basis.

REFERENCES:
patent: 6760324 (2004-07-01), Scott et al.
patent: 6795430 (2004-09-01), Ong et al.
patent: 2001/0036164 (2001-11-01), Kakemizu et al.
patent: 2002/0073203 (2002-06-01), Gilleland
patent: 2004/0028035 (2004-02-01), Read
patent: 07135534 (1995-05-01), None

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