Shared knowledge in a telephone system

Details Shared knowledge in a telephone system Shared knowledge in a telephone system

2009-06-18

2010-12-28

Ni, Suhan (Department: 2614)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S356000, C370S401000

Reexamination Certificate

active

07860083

ABSTRACT:
An information handling system comprises a IP network connecting a hub to a multimedia server and the hub to a data server, and the hub to an IP telephony device that is then coupled to a network device. When a telephone in one local area network within a wide area network has a change in its status, such as going off-hook, a status message will be sent to an associated extension within another local area network connected to the wide area network to thereby cause a status indicator to notify the user at the remote extension that the telephone the first local area network has had a status change.

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