Wireless centrex feature activation/deactivation

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6819945
SERIAL NO

09460392

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The instant invention discloses a method and system for providing a novel wireless centrex service that untethers subscribers from the immobility associated with traditional desktop telephones. Essentially, the present invention extends the benefits of wireless voice and data services to subscribers having a need to move within a plurality of localities such as business and hospital campuses. In accordance with the invention, a wireless telephone subscriber can use a standard cellular/PCS telephone as a wireless extension of their desktop phone, while in the proximity of a miniature radio base station capable of communicating with the PCS/cellular telephone. The advantage of such a system is that a subscriber can use the same cellular/PCS telephone that provides service in the public network in the wireless centrex environment. Additionally, the wireless centrex system provides services and features which are similar to those offered to regular centrex telephone subscribers. Exemplary features include, caller ID, call waiting, call hold, call transfer, call forwarding and voice messaging.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
AT&T CORP.NEW YORK, NY3053

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chow, Albert Hillsdale, NJ 45 1233
Kim, Jinman Chatham, NJ 42 1364
Wang, Spencer Parsippany, NJ 56 3373
Ying, Wenchu Cedar Knolls, NJ 50 1569

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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AT&T CORP. (13)
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5818919 Inter-network call forwarding with subscriber identity 59 1996
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* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (8)
9088645 Intermediary device initiated caller identification 0 2001
* 7003466 Destination device initiated caller identification 23 2001
7839989 Intermediary device based callee identification 5 2006
8160235 Controlling hold queue position adjustment 0 2007
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8144850 Logging calls according to call context 1 2008
8630403 Controlling hold queue position adjustment 0 2012
8873738 Controlling hold queue position adjustment 0 2013
 
QUALCOMM INCORPORATED (8)
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* 2003/0158,892 Apparatus and method for exchanging data between two devices 0 2002
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8478880 Device profile-based media management 4 2007
* 2009/0063,703 Device profile-based media management 14 2007
9055417 Notification infrastructure for sending device-specific wireless notifications 0 2009
* 2010/0198,963 NOTIFICATION INFRASTRUCTURE FOR SENDING DEVICE-SPECIFIC WIRELESS NOTIFICATIONS 2 2009
 
Other [Check patent profile for assignment information] (4)
* 2006/0074,685 Destination device initiated caller identification 12 2005
8718257 Systems and methods for providing answering services 0 2007
* 2010/0205,272 Systems and processes to manage multiples modes of communication 5 2010
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ALCATEL LUCENT (3)
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NOKIA CORPORATION (1)
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* Cited By Examiner