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Your search returned 305 patents.
( 379/111 in Current US Classification ) |
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| 1 2 3 4 |
| Patent ID | Title | Date Filed |
| 6222914 | System and method for administration of an incentive award system having a delayed award payment using a credit instrument
| September 2, 1998 |
| 6212506 | Per call real time billing display
| September 16, 1997 |
| 6208721 | Method and apparatus for identifying telephone callers who have been unsuccessful in reaching a called destination
| January 22, 1999 |
| 6198811 | Systems and methods for extracting switch data
| July 12, 1998 |
| 6175554 | Asynchronous transfer mode (ATM) traffic control apparatus and control method for handling a wide variety of ATM services
| April 28, 1998 |
| 6173046 | Customer group billing
| February 27, 1997 |
| 6169791 | System and method for least cost call routing
| July 25, 1997 |
| 6163602 | System and method for unified telephone and utility consumption metering, reading, and processing
| April 15, 1999 |
| 6160875 | Method of managing overload of message in the communication system
| September 14, 1998 |
| 6151388 | Communication charge management system
| August 19, 1998 |
| 6141405 | Method and system for detecting fraudulent collect calls
| September 12, 1997 |
| 6128376 | Change of equal access carrier notification
| August 13, 1997 |
| 6122352 | Method for controlling a credit customer call
| June 10, 1999 |
| 6119109 | Information distribution system and billing system used for the information distribution system
| September 24, 1997 |
| 6118858 | Call distribution processing method for called line number computation in premium-rate service
| December 9, 1996 |
| 6112077 | Nonreusable cellular telephone
| August 6, 1996 |
| 6101248 | False call protecting apparatus for use with telephone exchange system and false call protecting method
| August 20, 1997 |
| 6097792 | Interactive method and apparatus for the generation of leads
| March 12, 1999 |
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