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| Number | Title | Issue Date |
| 7729486 | Private branch exchange and telephone switching system According to one embodiment, a private branch exchange includes a receiver which receives caller ID information divided into a plurality of packets, the caller ID information specifying a caller side telephone set, when receiving an incoming call, a measurement unit... | 06/01/2010 |
| 7724883 | Telephone system for communication through multiple lines A telephone system communicating through a plurality of external telephone lines includes base phones connected to respective ones of the plurality of telephone lines and a cable connected so as to allow communication among a plurality of terminals. Each base phone ... | 05/25/2010 |
| 7379760 | Data transmission-reception system and data transmission-reception method A data communication system is disclosed which comprises: first terminal devices for transmitting contents and content provider identification data identifying the providers of the contents; a server device for receiving and storing the transmitted contents and cont... | 05/27/2008 |
| 7359737 | Data transmission-reception system and data transmission-reception method A data communication system is disclosed which comprises: first terminal devices for transmitting contents and content provider identification data identifying the providers of the contents; a server device for receiving and storing the transmitted contents and cont... | 04/15/2008 |
| 7353047 | Integrated mobile phone ring scheduler A mobile telephone comprises a ringer to provide an audible alert of an incoming telephone call. The mobile telephone has a ringer schedule interface to receive a ringer control schedule. The ringer control schedule indicates times at which a parameter of the ringer... | 04/01/2008 |
| 7266398 | Circuit for triggering on-hook function and off-hook function of a communication apparatus The present invention is a circuit that is set in a communication apparatus. The circuit is co-operated with a button of an audio receiving/transmitting device for triggering an on-hook or off-hook function when the communication apparatus receives an incoming call.... | 09/04/2007 |
| 7260421 | Communication device that communicates events using compressed audio information Compressed entertainment content such as audio or video or both includes additional aspects and operations associated their way. The compressed audio may be used to signal computers such as a telephone or reminder for an appointment. A melody line may be extracted f... | 08/21/2007 |
| 7224793 | Communication set with detection of set function and line condition A description is given of a communication set for connection to a communication line such as a telephone line, which communication set includes means for detecting set functions such as ringing signal detection, and a rectifier circuit which is connected to a common... | 05/29/2007 |
| 7218716 | Apparatus and method for switching incoming calls through to subscribers of a telecommunications network A switchboard apparatus and method for a telecommunications system, for switching incoming calls through to subscribers, with an input device for entering connection data of a required subscriber, a condition device for determining the telephone condition of the req... | 05/15/2007 |
| 7190778 | Communication system and keyset therefore capable of identifying selected user locations A communications network with user presence availability and a capability of locating call forwarded users or other users. Network stations display selection of do-not-disturb (DND) at other stations, e.g., by fluttering corresponding line keys. Network stations als... | 03/13/2007 |
| 7162013 | Home network telephone answering system and method for same A system and method are provided for answering Home Network telephone calls. The method comprises: receiving telephone calls addressed to a Home Network endpoint; routing the received calls from a gateway to the endpoint; and, automatically recording the received ca... | 01/09/2007 |
| 7088807 | Call pick-up system and method of a switching device The present invention relates to a call pick-up system and method for a switching device that makes selective call pick-up possible by using caller information. In particular, by including a caller information analysis block in a subscriber call process block of a s... | 08/08/2006 |
| 7050556 | Key telephone unit and key telephone system A key telephone system including (a) at least three telephones, and (b) a key telephone unit connected to the three telephones through at least three communication lines including at least one public switched line, the key telephone unit including (b1) at least thre... | 05/23/2006 |
| 7010641 | Integrated circuit routing resource optimization algorithm for random port ordering A method of routing an integrated circuit signal bus is provided. One of a set of blocks having ports that are to be connected to the signal bus is selected as a primary block, the ports of which are positioned so that no two ports of that block lie within the same ... | 03/07/2006 |
| 7006614 | Systems and methods for voice and data communications including hybrid key system/PBX functionality A method for operating an integrated communications system providing voice and data communications to a plurality of users and simulating a key system. An outside line appearance is provided on a telephone coupled to the system; the outside line appearance is associ... | 02/28/2006 |
| 6891937 | Method and apparatus for administration of circuit inventories in telecommunication networks Telecommunications customers must frequently utilize the facilities of many different telecommunications service providers in order to transmit data from one location to another. When a telecommunications customer encounters a network problem, that customer usually ... | 05/10/2005 |
| 6870919 | Mute status reminder for a communication device According to some embodiments, a mute status reminder is provided for a communication device. ... | 03/22/2005 |
| 6836545 | Communication system, exchange and communication holding control method Each of multifunctional telephones has a common hold button for accepting a hold/hold release instruction of a communication partner (extension) under transfer communication; a central processing equipment controls each part of a private branch exchange so that the ... | 12/28/2004 |
| 6831973 | Method and apparatus for executive phone call initiation A method and supporting apparatus for an executive phone patch is disclosed. An administrative assistant uses a first phone line to communicate with a first party, places first party on-hold, and establishes a connection with a second party. Once the second party is... | 12/14/2004 |
| 6807262 | Central office control of receive and transmit handset volume A switch based feature that allows subscribers to adjust their incoming or outgoing audio signal strength. The value of the transmit or receive pad values on the subscriber line card are adjusted to control the strength of the audio signal transmitted to, or receive... | 10/19/2004 |
| 6757378 | Method and telecommunications center for recognizing connection requests at a subscriber line In a circuit arrangement for recognizing connection requests at an analog subscriber line in which a number of subscriber terminal devices such as an analog telephone and an MSFM modem, are connected in parallel, set up and clear down connections are enabled indepen... | 06/29/2004 |
| 6661883 | Method and apparatus allowing remote key system units to interoperate The invention provides a key system unit comprising a first interface suitable for connection to a plurality of local terminals and a control unit coupled to the first interface. The control unit is operative for receiving a user data signal from the firs... | 12/09/2003 |
| 6650886 | Tariff determination in mobile telecommunications networks A method of providing call charge information in a mobile telecommunications system. The method comprises maintaining in a home mobile telecommunications network a set of call charging algorithms which correspond to respective foreign mobile telecommunica... | 11/18/2003 |
| 6611596 | Speakerphone indicator Apparatus and method to transmit a speakerphone active indication signal to another party over a telephone line upon use of a speakerphone feature, and to transmit a speakerphone inactive indication signal upon cessation of the speakerphone feature. A spe... | 08/26/2003 |
| 6603855 | Cordless phone notification of extended off-hook using parallel set detection An on-hook EOH indicating telephone includes a parallel set detector, an EOH signal detector, and an indication module to activate a configurable audible and/or visual alert indicating that another telephone is off-hook and should be hung up. The audible ... | 08/05/2003 |
| 6567520 | Method and apparatus for detecting multiple telephone off-hook conditions A method and apparatus for the detection of one or more telephone off-hook conditions using an analog-to-digital converter to detect voltage changes between tip and ring lines of a telephone network loop. An isolation network provides substantial electric... | 05/20/2003 |
| 6535595 | Busy line display method A busy line display system of a terminal device to which a plurality of lines are connected. The lines are divided and displayed on a plurality of pages, including display of the status of busy lines. By pressing a predetermined button, line names may be ... | 03/18/2003 |
| 6519334 | Method for processing incoming call in exchange system An exchange system minimizing ring noises generated when processing an incoming call. Upon receipt of an incoming call from a central office line, the exchange system generates a ring to a called extension telephone to which the incoming call is terminate... | 02/11/2003 |
| 6498842 | Switching system between a call center and public network A switching system which can easily reconnect a call to an original call path even if an original call state is disconnected at a time of transferring the call to another outside line or extension is presented. In a state where a call path between an outs... | 12/24/2002 |
| 6459781 | Key telephone apparatus with call distribution function This invention relates to a key telephone apparatus which includes a key telephone main unit which accommodates a plurality of extension terminals each having a display via extensions and is connected to a network via an office line, and has an ACD functi... | 10/01/2002 |
| 6421436 | Multiline telephone apparatus A multiline telephone apparatus with caller ID signal detecting function had an expensive modem for demodulating the caller ID in each one of telephone lines. According to the invention of the present application, each line is provided with a signal detec... | 07/16/2002 |
| 6408060 | Digital key telephone system and extension terminal device thereof According to this invention, a digital key telephone system connected to an analog public network NW having a function of transmitting a ringing signal including identification information of a calling line through a subscriber line (CO line), accommodati... | 06/18/2002 |
| 6404863 | First party signalling for call waiting calling number identification (CWCID) system The invention is a method of receiving digital data from a Local Switching Office (LSO) on first party equipment that is communicating, in an off-hook state, via the LSO with second party equipment. The method presumes that the first party equipment has a... | 06/11/2002 |
| 6377671 | Digital key telephone system and extension terminal device thereof According to this invention, a digital key telephone system connected to an analog public network NW having a function of transmitting a ringing signal including identification information of a calling line through a subscriber line (CO line), accommodati... | 04/23/2002 |
| 6304644 | Apparatus and method for cost effective caller identification and call-waiting for a multi-line telephone Consumer process equipment (CPE) for cost effective caller identification (CID) and call-waiting (CW) for a multi-line telephone includes a single CIDCW detection circuit and a single switch for coupling the single CIDCW detection circuit between a plural... | 10/16/2001 |
| 6271631 | Alerting system using elastomeric EL lamp structure An elastomeric electroluminescent (EL) lamp is provided wherein an electroluminescent system, advantageously monolithic, is provided in an elastomeric structure. As a result, the lamp is thin, pliable and membrane-like. A first envelope layer is applied a... | 08/07/2001 |
| 6263059 | Communication apparatus and storage medium A communication apparatus is provided for communicating with an external device. The communication apparatus may be a facsimile machine which includes a main phone, and a plurality of secondary handsets capable of communicating with the external device vi... | 07/17/2001 |
| 6263063 | System and method for provisioning an extra line on demand and for selectively connecting calls with a plurality of devices A network interface device that allows a user to simultaneously receive/send a plurality of calls from/to a telecommunications network by multiplexing/demultiplexing the calls on a single telephone line. The network interface device allows for the provisi... | 07/17/2001 |
| 6263062 | Dealing call terminal device A dealing communication terminal apparatus of a pagination type is enabled to accommodate at least one communication terminal apparatus, public lines and private lines and to connect exchangingly them. The communication terminal apparatus 300 comprises a ... | 07/17/2001 |
| 6233326 | Method and apparatus for identifying a line blockage Call blockages can now be identified down to the line and group of lines that caused the call blockage. No more long statistical studies followed by guessing in order to alleviate blockages. This method and apparatus operating in concert with recently add... | 05/15/2001 |
