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| Number | Title | Issue Date |
| 7991133 | Method and apparatus for generating a metering pulse In one embodiment, a subscriber line interface circuit includes circuitry to generate metering pulses for insertion onto a subscriber line. The circuitry includes an audio path and a pulse metering path, where the pulse metering path includes a metering generator to... | 08/02/2011 |
| 7746992 | Adaptive handling of pulse-train signals in a voice gateway A system and method provide for adaptively monitoring and reporting pulse train characteristics. In one embodiment a DSP operating within a voice media gateway (VMG) is initialized with signal processing criteria, at least one control parameter and, optionally, one ... | 06/29/2010 |
| 7412228 | Method for notifying a primary wireless unit of group calling plan activity The present invention provides a method for notifying a primary wireless unit in a group calling plan that a wireless unit in the group calling plan has call activity. An MSC determines if there is call activity on a wireless phone. The MSC determines if the wireles... | 08/12/2008 |
| 7409051 | Methods and apparatus to manage collect phone calling limits Methods and apparatus to manage collect phone calling limits are disclosed. A disclosed example method comprises: determining if collect calls from one or more predetermined locations to a terminating phone number have exceeded a collect calls limit; and determining... | 08/05/2008 |
| 7362855 | Subscriber line interface circuitry transceiver A subscriber line interface circuit apparatus includes driver circuitry for combining and driving a downstream voice signal and a downstream data signal onto a subscriber line. Receiver circuitry receives and separates an upstream signal from the subscriber line int... | 04/22/2008 |
| 7362856 | Subscriber line interface circuitry transceiver A subscriber line transceiver apparatus includes an integrated circuit coupling at least one of an upstream and a downstream voice path for carrying voice signals to a subscriber line. The integrated circuit couples at least one of an upstream and a downstream data ... | 04/22/2008 |
| 7325457 | Sensor and sensor module A sensor and sensor module with small power consumption and high reliability are disclosed. The sensor includes a capacitor having a capacitance varying with a physical quantity, a capacitance-voltage conversion circuit for converting the capacitance of the capacito... | 02/05/2008 |
| 7164757 | Methods and apparatus to manage collect phone calling limits Methods and apparatus to manage collect phone calling limits are disclosed. A disclosed example method comprises: determining if collect calls from one or more predetermined locations to a terminating phone number have exceeded a collect calls limit; and determining... | 01/16/2007 |
| 7136469 | Service selection gateway (SSG) supporting tariff changes for traffic volume A service selection gateway (SSG) which receives data indicating tariff switching points, and sends accounting records enabling accurate computation of traffic volumes in each switching duration is described. In one embodiment, a counter value indicating the traffic... | 11/14/2006 |
| 7027590 | Dynamic allocation of overhead voltage to support simultaneous transmission of signals on a telecommunication line Overhead voltage is allocated in a telecommunication system among different AC signals, such as POTS, on-hook transmission POTS, PPM and XDSL signals, communicated between a telephonic switch and a user device. The allocation is based on the available overhead volta... | 04/11/2006 |
| 6968049 | Transmission of charging signals on a data transmission path An apparatus for transmitting charging signals on a data transmission path having a line impedance includes a driver device for setting a line voltage level that corresponds to the line impedance. The driver device is configured to provide, in response to a driver i... | 11/22/2005 |
| 6963737 | Circuit configuration for metering pulse recognition A circuit configuration for metering pulse recognition includes an A/D converter that receives a signal containing metering pulses, and a digital comparator circuit for comparing the output signal from the A/D converter with a reference value. A detector unit evalua... | 11/08/2005 |
| 6954816 | Peripheral device with shared bus interface and operating method thereof A peripheral device for use in a system including a storage unit coupled to a local bus. The peripheral device has a shared bus interface provided for interfacing with the storage unit and the local bus. The peripheral device also includes core logic coupled to the ... | 10/11/2005 |
| 6934373 | Method of generating charging identifier in internet one number link you (ONLY) service The present invention relates to a method for generating a charge ID in Internet ONLY service, generating the charge ID that includes printable characters using a call ID in the IP gateway; the process is simple and resulted charge ID is absolutely unique. Wherein i... | 08/23/2005 |
| 6934372 | System and method for accessing the internet on a per-time-unit basis A system and method for accessing the internet on a per-time basis, through an Internet service provider (ISP), includes an access station. Application software is provided to an electronic terminal, from which Internet access may be attempted. Upon initiation of th... | 08/23/2005 |
| 6898557 | System and method for remote testing of components A system and method are disclosed for remote testing of items where the tests are performed at a first site and monitored and controlled at a second site. A first remote test control station at the first site includes a test bench device for testing the items, and a... | 05/24/2005 |
| 6829596 | Account/asset activation device and method An asset/account activation device and method are provided. According to a first preferred method, an asset may be activated by a point of sale device utilizing multiple security mechanisms. Activation codes are sent by secure electronic transmission from an activat... | 12/07/2004 |
| 6760416 | Metering data transfer between end systems Metering of a data transfer operation between two end systems across a communications infrastructure is done by having at least one of the end systems send a metering message to a service system. Both end systems can be set to send respective metering messages to th... | 07/06/2004 |
| 6757371 | Method for divisional billing and device thereof The present invention relates to a method for billing and a device thereof and more particularly relates to the method and the device for dividing the monthly charges of each subscriber into a personal-use portion and a business-use portion according to the predeter... | 06/29/2004 |
| 6667761 | Instrument visualization system The invention is directed to an improved visualization and measurement system (15). In the preferred embodiment, the visualization system comprises: a video sensor (16) having a range of view (18), a field of view (19), and a video output signal (20), a n... | 12/23/2003 |
| 6631185 | Method and apparatus for comparing communication service plans based on usage statistics One embodiment of the present invention provides a system that automatically determines which communication service plan is the most cost effective for a communication device. The system operates by receiving usage statistics for the communication device,... | 10/07/2003 |
| 6580788 | System and method for identifying modem connections in a telephone network A system and method provides for the identification of termination telephone numbers in a telephone network which are being employed as a data network modem. When a local exchange carrier (LEC) routes a call to another telecommunications network, such as ... | 06/17/2003 |
| 6338046 | System and method for determining charges for usage of a network connection A system and method for determining charges for use of network service connections. The network includes nodes which facilitate the transfer of information between source and destination locations. When a connection is established with a node, a billing c... | 01/08/2002 |
| 6262788 | Process for preparing an optical retardation film The invention relates to a process for preparing an optical retardation film comprising at least one layer of an anisotropic polymer material, to a method of rubbing a substrate for the alignment of liquid crystal or mesogenic material that can be used in... | 07/17/2001 |
| 6125173 | Customer profile based customized messaging A method and system of telephone call processing that provides information to customers while telephone calls are made. Summary information for a customer is stored. A call from the customer is received alt a network switch. The network switch transmits i... | 09/26/2000 |
| 6023499 | Real time billing via the internet for advanced intelligent network services The present method provides a technique for real-time monitoring of charges for using a communication network service, thereby enabling a user to continuously know the charges incurred during each usage. The user also is able to define a charge limit prio... | 02/08/2000 |
| 6011837 | Marketing control program A method and system for dynamically managing billing information for telecommunications service application use at the service application level rather than at the billing system level. Each service application, such as a call forwarding service applicati... | 01/04/2000 |
| 5987107 | Charging for usage of a telecommunications network Charging details are produced for customers in response to their use of telecommunications services. Details of call items for a customer are compiled and a plurality of call types (73, 75, 77) are defined. Each call item is identified as belonging to one... | 11/16/1999 |
| 5946614 | Payphone metering in a wireless telephone system The wireless system includes one or more payphones from which users may initiate payphone calls. A mobile switching center connects telephone calls initiated from wireless payphones to external telephone systems such as the public switch telephone network... | 08/31/1999 |
| 5940482 | Technique for detecting call metering in key telephone system A technique for determining call charges for a telephone call in a key telephone system, which when a key telephone subscriber forms a speech path with the central office line subscriber in the key telephone system, checks the call metering during the cal... | 08/17/1999 |
| 5930349 | Command signals generator circuit for telephonic fees indicators The present invention relates to a control signal generation circuit for telephone charge indicators comprising a capacitor having a first and a second terminals connected to ground through respectively a first and a second switches with the first termina... | 07/27/1999 |
| 5909486 | Method and apparatus for awarding and redeeming prepaid telephone time A slot card issued by a slot club, or a membership card in another incentive award program, that is also capable of being used as phone calling card is provided. Free calling time is credited to the member's card account in response to the playing of the ... | 06/01/1999 |
| 5867564 | Time-of-day clock synchronization in commincations networks A system for service control and operations for a telecommunications network. In particular, an architecture and method for a service control and operations element system. The system communicates with a plurality of interconnected telecommunications netw... | 02/02/1999 |
| 5862213 | Circuit arrangement for generating charge pulses A circuit arrangement for generating charge pulses during digital telecommunications is indicated, whereby subscribers (Tln) of a telephone network are connected by cables with an exchange. The subscriber telephones are connected by electric service lines... | 01/19/1999 |
| 5815559 | Method for selecting AMA records using directory numbers In an automatic message accounting (AMA) record distribution network, a method and system for sorting AMA records by using an area code or numbering plan area (NPA) data array and directory number bit maps to identify AMA records which are of interest to ... | 09/29/1998 |
| 5570418 | Device for detecting operation state of telephone hook switch A device for detecting an operation state of a telephone hook switch in a telephone includes a timer, a controlling circuit, a counter and a table electrically interconnected. According to the present invention, the abnormal signals generated by the hook ... | 10/29/1996 |
| 5452345 | Metering signal level control circuit An apparatus for controlling the magnitude of a metering signal used in a communication system includes a high pass filter and a threshold detector. The apparatus is preferably integrated on to a subscriber line audio-processing circuit (SLAC device) whic... | 09/19/1995 |
| 5359642 | Method and apparatus for prepayment of telecommunication connections by registered groups of subscribers in a telecommunication switching network The present invention provides a method and apparatus for prepayment of telecommunication connections between first and second telecommunication devices operably associable with the telecommunication lines of a telecommunication switching network. In gene... | 10/25/1994 |
| 5172407 | Circuit for generating metering pulses intended for presentation to a telecommunication subscriber A circuit (4) for generating metering pulses (P) includes a multiplier circuit (MULT), a bandpass filter (BF), a comparison circuit (COMP) and a ramp signal generator (RAMP). A current (IC) from the ramp signal generator is multiplied (MULT) by an alterna... | 12/15/1992 |
| 5031208 | Data communication system and apparatus for transmitting data on a line and interrupting data transmission when an accounting pulse is detected on the line A data communication system and apparatus performs data communication by using a public telephone line network. This apparatus includes: a data transmitter to transmit data to a communication partner equipment through a line; a detector to detect accounti... | 07/09/1991 |
