| 1 2 3 4 5 |
| Patent ID | Title | Date Filed |
| 7039736 | Systems and methods for accessing bus-mastered system resources
| January 15, 2003 |
| 7039006 | Board duplexing apparatus for asynchronous transfer mode switch and method of controlling the same
| October 26, 2001 |
| 7039005 | Protection switching in a communications network employing label switching
| October 2, 2001 |
| 7032025 | Method and apparatus for monitoring and transferring a client from a low priority access number to a higher priority access number during active internet and other WAN connection-sessions
| January 12, 2001 |
| 7031252 | Reflector communications channel for automatic protection switching
| March 27, 2000 |
| 7020077 | Cross-connect matrix task prioritizer
| September 19, 2001 |
| 7020076 | Fault-tolerant communication channel structures
| October 26, 2000 |
| 7012888 | High availability VoIP subsystem
| July 31, 2003 |
| 7006431 | Load sharing and redundancy scheme
| November 26, 2003 |
| 6999413 | Packet switching apparatus
| August 29, 2001 |
| 6999408 | Failure tolerant high density dial router
| October 31, 2001 |
| 6996057 | Integrated RF loopback test apparatus for redundant data radio transceiver system
| October 5, 2001 |
| 6987726 | Management of duplicated node identifiers in communication networks
| May 22, 2000 |
| 6985482 | Cross-bar switch system with redundancy
| March 8, 2001 |
| 6985435 | Method for expanding the switching network of a communications system without interrupting operation
| November 17, 1999 |
| 6982954 | Communications bus with redundant signal paths and method for compensating for signal path errors in a communications bus
| May 3, 2001 |
| 6982952 | Method and apparatus for bypassing a payload node
| April 20, 2004 |
| 6982951 | Method for selecting a restoration path in a mesh network
| July 19, 2001 |
| 6980510 | Host interface adaptive hub storage system
| September 12, 2000 |
| 6977885 | Packet transmitting and receiving method and apparatus therefor
| August 17, 2000 |
| 6975606 | Method and apparatus for removing a base transceiver station from a wireless communication system
| March 19, 2001 |
| 6975587 | Mechanism for automatic protection switching in a router
| August 25, 2000 |
| 6975586 | Protection switching method and apparatus for passive optical network system
| March 29, 2000 |
| 6973029 | Redundant serial bus and method for the operation thereof
| February 24, 2000 |
| 6973025 | Device for selecting normal circuit in communication system
| May 3, 2001 |
| 6973024 | Method for modem element switchover using multicast groups
| February 28, 2001 |
| 6973023 | Method for routing information over a network employing centralized control
| December 30, 2000 |
| 6970555 | Fault tolerant telephony control
| September 26, 2003 |
| 6965775 | Service-oriented protection scheme for a radio access network
| May 15, 2002 |
| 6954436 | Method and apparatus for selecting redundant routers using tracking
| February 28, 2001 |
| 6950654 | Data stream protection system and method of use
| June 25, 2002 |
| 6944124 | Bypass control system based upon NMS control in ATM exchanger
| February 22, 2001 |
| 6941388 | Method and apparatus for handling connections in hot standby line cards
| December 22, 2000 |
| 6940810 | Protection switching of virtual connections at the data link layer
| October 25, 2000 |
| 6937682 | Clock-pulse supply unit
| July 27, 2001 |
| 6934248 | Apparatus and method for optical communication protection
| July 20, 2000 |
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