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Class Information
Number: 455/462
Name: Telecommunications > Radiotelephone system > Including private cordless extension system
Description: Subject matter wherein a base transceiver having direct connection to a landline telephone switching system provides restricted telephony access to a pre-selected cordless extension unit.










Sub-classes under this class:

Class Number Class Name Patents
455/464 Channel selection or allocation 683
455/463 Multi-users 269


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
6611689 System for integrating mobile telecommunication terminals into a private telecommunication system Aug. 26, 2003
6611681 Method and apparatus for an improved call interrupt feature in a cordless telephone answering device Aug. 26, 2003
6600925 Process for integrating cordless telephone networks into cellular mobile telephone networks Jul. 29, 2003
6597905 Cordless telephone system and method for transferring caller line identification information to wireless remote handsets Jul. 22, 2003
6594488 Method and apparatus for over-the-air activation of neighborhood cordless-type services Jul. 15, 2003
6594715 Method and apparatus for interfacing asymmetric digital subscriber lines to a codec Jul. 15, 2003
6587694 Clock synchronization between wireless devices during cradled time Jul. 1, 2003
6580928 Handy phone Jun. 17, 2003
6570489 Telephone communication system with integrated pager functionality May. 27, 2003
6556586 Messaging system Apr. 29, 2003
6546241 Handset access of message in digital cordless telephone Apr. 8, 2003
6546253 Neighborhood cordless service call handoff Apr. 8, 2003
6542753 Gain control for multi-channel fixed wireless terminal Apr. 1, 2003
6535730 Wireless centrex conference call adding a party Mar. 18, 2003
6532361 Method for controlling the access authorizations of telecommunication devices at cooperation stations Mar. 11, 2003
6522634 Wireless transmission system Feb. 18, 2003
6519467 Methods and apparatus for control of frequency hopping in an analog cordless telephone Feb. 11, 2003
6512922 Information services provision in a telecommunications network Jan. 28, 2003
6501969 Extended power savings for electronic devices Dec. 31, 2002
6498935 Channel selection and clarity improvement for digital cordless telephones operating in an overlapped range Dec. 24, 2002
6490434 Systems and methods for completing diagnostic tests on rechargeable devices using cradle contacts Dec. 3, 2002
6483827 Dect-based radio station Nov. 19, 2002
6484025 Method and apparatus for establishing compatibility between cordless telephone applications and physical hardware of the cordless telephone Nov. 19, 2002
6470187 Multi-base station cordless telephone Oct. 22, 2002
6470179 Automatic service selection feature for neighborhood residential cordless service Oct. 22, 2002
6466799 Premises telephonic interface system for communicating using a hand-held wireless device Oct. 15, 2002
6466787 Cordless devices and methods for ordering narrow band communication channels using algorithms not based on channel clarity Oct. 15, 2002
6459688 Method for recording at least one bimodal mobile station in an associated domestic base station Oct. 1, 2002
6453171 Dual-mode telephone system Sep. 17, 2002
6453163 Method to restore subscriber related information in a communication network data base system Sep. 17, 2002
6449487 Computerized telephone apparatus Sep. 10, 2002
6438384 Telephone instrument with built-in modem device, and system for voice communications over the internet Aug. 20, 2002
6434394 Multiple handset cordless telephone including a ring signal/call routing module Aug. 13, 2002
6433689 System for supervision and control of objects or persons Aug. 13, 2002
6430413 Mobile radio receiver for cellular radio telecommunications systems Aug. 6, 2002
6400957 Wireless phone-line interface Jun. 4, 2002
6389293 Method and apparatus for providing call screening on cordless telephone equipment using three-way calling May. 14, 2002
6389292 METHOD AND TELECOMMUNICATION INTERFACE FOR THE TRANSMISSION OF CONTINUOUS AND/OR DISCONTINUOUS DATA STREAMS IN A HYBRID TELECOMMUNICATION SYSTEM PARTICULARLY AN "ISDN <-> DECT SPECIFIC R May. 14, 2002
6377821 Display-based interface for a communication device Apr. 23, 2002
6366784 Mobile phone extension set Apr. 2, 2002
6363256 Cordless telephone and clock management method Mar. 26, 2002
6356765 Method and apparatus for tracking signals Mar. 12, 2002
6351652 Mobile communications system and method utilizing impulse radio Feb. 26, 2002
6349213 Apparatus for enhanced voice quality in multiple cordless handset environment and method Feb. 19, 2002
6349324 Communication system for allowing the communication to be switched to a television telephone during a telephone conversation Feb. 19, 2002
6349212 Cordless telephone arrangement Feb. 19, 2002
6345187 Receipt of type II caller identification in multi-cordless environment Feb. 5, 2002
6343217 Digital cordless telephony with PCM coding Jan. 29, 2002
6339695 Cordless phone data transfer Jan. 15, 2002
6330437 Radio range verification method, wireless telecommunications equipment implementing this method, base station and mobile handset of such equipment Dec. 11, 2001

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