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Class Information
Number: 455/554.1
Name: Telecommunications > Transmitter and receiver at same station (e.g., transceiver) > Radiotelephone equipment detail > Remote private branch exchange (pbx) with wireless link to landline
Description: Subject matter wherein a distant telephone switching unit (private branch exchange) is equipped to communicate via radio frequency connection in place of a wire-line link (e.g., trunk) to a wired telephone system.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8712452 Enterprise seamless mobility Apr. 29, 2014
8694050 Mobility management message analysis Apr. 8, 2014
8682292 Controlling the use of access points in a telecommunications network Mar. 25, 2014
8676179 System and method for providing identifying information to a mobile device Mar. 18, 2014
8655402 Private branch exchange system and service method for distributing SMS messages to extension units Feb. 18, 2014
8630651 Cost effective call routing from IMS networks to local carrier networks Jan. 14, 2014
8619956 Private-branch exchange that provides call bridging to an off-premises terminal in the presence of a third-party application Dec. 31, 2013
8594725 Mobile terminal device and communication switching method Nov. 26, 2013
8538387 Single voicemail for dual-mode phones Sep. 17, 2013
8521137 System and method for voicemail service mobility Aug. 27, 2013
8521224 Communication system, internal line managing apparatus, internal phone management method, and non-transitory computer readable storage medium Aug. 27, 2013
8515417 Auto sensing home base station for mobile telephone with remote answering capabilities Aug. 20, 2013
8489874 Encryption STE communications through private branch exchange (PBX) Jul. 16, 2013
8488598 Call flow system and method for use in a VoIP telecommunication system Jul. 16, 2013
8483693 Method and apparatus for local call routing for home evolved Node-B Jul. 9, 2013
8477669 Method, device, and system for implementing communication services Jul. 2, 2013
8467350 Conferencing PSTN gateway methods and apparatus to facilitate heterogeneous wireless network handovers for mobile communication devices Jun. 18, 2013
8463257 System for redirecting cellular phone calls to conventional landline handsets Jun. 11, 2013
8452303 Reduction of wireless communication costs in enterprises May. 28, 2013
8452291 System and method for alternating between in-band and out-of-band communication path May. 28, 2013
8437326 Voice synchronization during call handoff May. 7, 2013
8428647 Verifying and identifying incoming PBX calls on mobile devices Apr. 23, 2013
8417285 Mobility management message analysis Apr. 9, 2013
8380879 Interface devices for facilitating communications between devices and communications networks Feb. 19, 2013
8379569 Architecture for signal distribution in wireless data network Feb. 19, 2013
8374601 Circularly polarized antennas for a wireless sensor system Feb. 12, 2013
8326351 Multi user text PBX with multi message system capabilities Dec. 4, 2012
8321525 Method, device and system for creating a virtual local social network Nov. 27, 2012
8295878 Single number presentation for dual-mode phones Oct. 23, 2012
8275113 Shared mapping of a station extension within a distributed, enterprise telecommunications system, to an associated telephone number Sep. 25, 2012
8265038 Conferencing PSTN gateway methods and apparatus to facilitate heterogeneous wireless network handovers for mobile communication devices Sep. 11, 2012
8259922 Emulation of private branch exchange behavior Sep. 4, 2012
8254989 Method and system for account balance restriction on application of cellular-PBX integration service Aug. 28, 2012
8233603 Method and apparatus for communicating with one of plural devices associated with a single telephone number Jul. 31, 2012
8213396 Methods and systems for disabling paging to a wireless communication device Jul. 3, 2012
8194634 Method and system for extending a mobile directory number to a landline-based voice-over-packet network Jun. 5, 2012
8190201 Verifying and identifying incoming PBX calls on mobile devices May. 29, 2012
8185154 Mobile enterprise applications over telephony systems and methods May. 22, 2012
8180393 Method and system for location-based restriction on application of cellular-PBX integration service May. 15, 2012
8175637 Method for multi-party call in mobile station May. 8, 2012
8169952 Method and system for selective application of cellular-PBX integration service May. 1, 2012
8144644 Network-side setup of a packet-data communication session on behalf of a mobile station, followed by transfer of the communication session to the mobile station Mar. 27, 2012
8135121 Method and apparatus for selectively establishing communication with one of plural devices associated with a single telephone number Mar. 13, 2012
8121613 Method and system for obtaining emergency caller location Feb. 21, 2012
8121636 Portable communication device for responding to incoming call Feb. 21, 2012
8064951 Method and system for selective application of cellular-PBX integration service Nov. 22, 2011
8060135 Method and system for selective application of cellular-PBX integration service Nov. 15, 2011
8050672 Telecommunication system, mobile phone and calling method Nov. 1, 2011
8046007 Auto sensing home base station for mobile telephone with remote answering capabilities Oct. 25, 2011
8036664 Method and apparatus for determining rove-out Oct. 11, 2011

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