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| Number | Title | Issue Date |
| 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 |
| 7359715 | Method and system for detecting a preferred wireless network for a mobile device A method and system for detecting a wireless network includes receiving at a mobile device a signal having data indicative of a location of the mobile device. A determination is made whether the mobile device is within the coverage area of a specified network based ... | 04/15/2008 |
| 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 |
| 6574317 | System and method for blocking uncollectible random traffic of a telecommunication network A system and method for blocking uncollectible random call traffic of a telecommunication network. The system includes a database that stores a plurality of customer and call data, a fraud detection server that extracts from the database a plurality of cu... | 06/03/2003 |
| 6487283 | Pricing center for internet protocol routed transactions A call pricing center that assists Internet Protocol (IP)-compatible devices in defining preferences, including prices, for completing an IP routed transaction. A centralized routing engine associated with a clearinghouse uses the preferences to assist IP... | 11/26/2002 |
| 6424704 | Method of charging a subscriber for communication service according to the usage time in a telecommunication switching system A communication switching system comprising a first time counter for registering a starting time of a communication service, the first time counter adapted to change the present reference time according to a request given during the communication service,... | 07/23/2002 |
| 6205211 | Internet telephony call pricing center The present invention discloses a call pricing center that assists gateway operators in defining preferences, including call prices for terminating an IP telephony call. A centralized routing engine associated with a clearinghouse uses the preferences to ... | 03/20/2001 |
| 5991376 | Subscriber reward method A subscriber (12) of a communications carrier is rewarded upon meeting certain criterion. Upon receipt of the subscriber's call, the carrier accesses a profile for the subscriber indicative of the subscriber's relationship with the carrier. Based on the i... | 11/23/1999 |
| 5825858 | Collaborative conference bridges A method and apparatus for executing a conference call session between parties provides collaboration between nodes having separate conference-bridging capabilities, so that selection from a number of alternative connectivity schemes can be based upon bri... | 10/20/1998 |
| 5715304 | Private branch exchange In a private branch exchange having an optimum route selecting function of selecting an optimum route by taking the destination, day of the week, time zone, permissive class of the extension terminal and the like into consideration when a call originating... | 02/03/1998 |
| 5594787 | Call toll processing method and call toll processing apparatus The call toll processing method comprises a calling party toll data input step wherein calling party toll data is input from a toll processing data table that stores calling party toll data determined on the basis of data regarding the distance from the o... | 01/14/1997 |
| 5553124 | Computer-controlled telecommunications system A method and apparatus for providing the lowest available telecommunications charge to a user is described. The lowest available charge is provided by locating switches in different telecommunications charge zones, determining which switch will provide th... | 09/03/1996 |
| 5515425 | Telecommunications system with active database Interexchange carriers make their rate information for long-distance service available in a database. PBXs and telephone central offices access that rate information using ISDN and/or SS7 signaling and use it as a basis for determining which carder to use... | 05/07/1996 |
| 5425084 | Computer-controlled telecommunications system A method and apparatus for providing the lowest available telecommunications charge to a user is described. The lowest available charge is provided by locating switches in different telecommunications charge zones, determining which switch will provide th... | 06/13/1995 |
| 4559415 | Charging process for selling information by telephone A charging process for selling information via a telephone network. A data bank can be connected via said network with calling subscribers. This data bank has a telephone number and a device for supplying a spoken message. The data bank supplies its messa... | 12/17/1985 |
| 4440978 | Universal measured service interface for step-by-step telephone exchanges A universal measured service system for a central office exchange senses the condition of relays in the line equipment for each line as well as the conditions of the linefinders. The system associates the outgoing lines of each linefinder with the incomin... | 04/03/1984 |
| 4063037 | Telephone metering interface with reverse signal sensor A sensing circuit is placed in the tip line of a subscriber's loop to sense, selectively, the placement of an outgoing, local call. The circuit includes a first LED for energizing a metering circuit upon detection of a billable call, and a second LED for ... | 12/13/1977 |
| 3936608 | Multimetering for telephone switching systems This invention relates to a method and means to provide local call multimetering in existing telephone systems with a minimum of changes in existing exchanges. It comprises sensing whether a call duration counter is connected to a cord circuit or not, and... | 02/03/1976 |
