Method and apparatus for controlling a quiet zone for...

Details Method and apparatus for controlling a quiet zone for... Method and apparatus for controlling a quiet zone for...

2005-06-14

2005-06-14

Appiah, Charles (Department: 2686)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S404200, C455S457000

Reexamination Certificate

active

06907254

ABSTRACT:
In an IP-based cellular wireless communication system, systems and methods for spatially controlling cellular phone usage are provided. Entry of a cellular phone device into an area of restricted phone access (“quiet zone”) is detected and an IP message identifying the phone sent to a central facility. In one embodiment, an IP message is sent to the phone causing it to change behavior, for example turning off the volume on the ringer. Alternatively, the central facility can process an incoming call for a phone that is determined to be in a quiet zone to reduce intrusion in the quiet zone; for example, it can send the call to a phone mailbox or give the caller a busy signal.

REFERENCES:
patent: 6212390 (2001-04-01), Rune
patent: 6587684 (2003-07-01), Hsu et al.
patent: 6694143 (2004-02-01), Beamish et al.
patent: 2002/0077118 (2002-06-01), Zeller et al.
Private communication posted by Øyvind Kaurstad to PICLIST Mailing List on Mar. 16, 2000.

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