Multiple extension and line appearance for IP telephony

Details Multiple extension and line appearance for IP telephony Multiple extension and line appearance for IP telephony

2011-05-03

2011-05-03

Kumar, Pankaj (Department: 2467)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S356000, C370S463000, C379S088110, C379S088120, C379S376010

Reexamination Certificate

active

07936745

ABSTRACT:
Displaying an IP call status is disclosed. An IP call status notification is received from an IP telephony device. A display update is caused by transmitting a display notification to an IP telephone.

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patent: 2003/0219029 (2003-11-01), Pickett
patent: 2007/0165809 (2007-07-01), Nemoto et al.

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