Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2006-09-19
2006-09-19
Feild, Joseph (Department: 2681)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S410000, C455S411000, C370S352000
Reexamination Certificate
active
07110763
ABSTRACT:
A voice over IP (VOIP) network8includes a graphical proxy server34that allows “dumb” terminals (32) to act as SIP phones or H.323 phones; only the graphical proxy server (34) needs to support the underlying signaling protocol. The graphical proxy server (34) includes a graphical server (40) and a terminal management system (42). The terminal management system (42) handles the calls for each associated graphical terminal (32) and interacts with the graphical server (40) to provide a customized GUI for each graphical terminal (32) to display current call status. Each terminal (32) has a respective instance of a terminal controller program (56) in the terminal management system (42). The terminal controller for a terminal (32) controls the terminal's GUI responsive to incoming SIP messages directed to the terminal and generates SIP messages responsive to user interaction with the terminal's GUI.
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Ganti, et al.; MPLS Support of Differentiated Services Using E-LSP; IETF Differentiated Services Working Group; Internet Draft; Apr. 2001; pp 1-14.
Handley, et al.; SIP: Session Initiation Protocol: IETF Network Working Group, RFC 2543; Mar. 1999; pp. 1-153.
Labbe Thierry
Rao Kashipati G.
Suhail Atiya
Alcatel
Anderson Levine & Lintel
Feild Joseph
Nguyen Huy D.
Slaton Bobby D.
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