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Your search returned 554 patents.
( 379/229 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 6785378 | Global title translation with load sharing
| August 17, 2001 |
| 6785377 | Data calls using both constant bit rate and variable bit rate connections
| January 19, 2000 |
| 6782094 | System and method for backup network glare reduction
| May 17, 2001 |
| 6778544 | Method and system for redirecting calls
| November 18, 1998 |
| 6775375 | Service and information management system for determining, replicating or correcting failed calls in a telecommunications network
| March 20, 2002 |
| 6766009 | Method and system for correlating telephone calls with information delivery
| March 7, 2002 |
| 6766007 | Method, apparatus, and communication system for setting up a communication session
| January 14, 2000 |
| 6763103 | Method and arrangement for netwide call trace in a telecommunication network
| March 13, 2000 |
| 6763101 | Service unit using essential and non-essential service request message classifications
| May 1, 2001 |
| 6751308 | Signaling method and network element for a virtual private network
| July 16, 2002 |
| 6744880 | Method for creating a telephone digital switching platform
| January 18, 2000 |
| 6744875 | Method for switching a first communication link to a second communication link between two communication systems
| February 2, 2001 |
| 6741695 | Method and system for interfacing a legacy circuit-switched network with a packet-switched network
| April 3, 2002 |
| 6738472 | System and method for managing telephony network resources
| September 6, 2000 |
| 6738471 | Method and system for ensuring a PSTN protocol restart procedure as defined by the V5 standard
| September 6, 2000 |
| 6732174 | Apparatus and method of establishing a call using wireless and wireline integration through a telecommunication switch
| May 5, 1998 |
| 6731743 | AIN query redirection
| December 18, 2001 |
| 6731740 | Method for preventing overload condition in a circuit switched arrangement
| December 22, 2001 |
| 6728362 | Continuity testing with call tone messaging in communication networks
| March 28, 2000 |
| 6718027 | System and method for performing a task with telephone line settings on a switch through a telephone call
| November 24, 1999 |
| 6714978 | Method and system for processing records in a communications network
| December 15, 1999 |
| 6711252 | Method and system for implementing intermediary services in a telecommunication system
| January 22, 2002 |
| 6711246 | System and method for creating a page usage record
| July 11, 2000 |
| 6707897 | Private branch exchange
| November 12, 1998 |
| 6707820 | Virtual circuit network dynamic channel management
| December 16, 1999 |
| 6707792 | Overload reduction in a communication system
| June 30, 1998 |
| 6704407 | Interface for digital telecommunications system
| September 18, 2001 |
| 6704314 | Method and apparatus to control cell substitution
| December 15, 1999 |
| 6697475 | System and method for implementing an end office switch with enhanced functionality using an operating system independent distributed self-contained dynamic logic system
| April 24, 2000 |
| 6697474 | Systems and methods for receiving telephone calls via instant messaging
| May 16, 2001 |
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