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| November 26, 2003 |
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| August 27, 2001 |
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| January 23, 2003 |
| 7035252 | Cooperative media applications using packet network media redirection
| January 30, 2001 |
| 7035239 | Methods and systems for routing messages in a communications network
| December 22, 2000 |
| 7035218 | Method of processing congestion conditions of MTP user part in SS7 network
| March 15, 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 |
| 7023800 | Congestion avoidance within aggregate channels
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| 7016741 | Process control loop signal converter
| October 14, 2003 |
| 7016363 | Scaleable interconnect structure utilizing quality-of-service handling
| October 19, 2000 |
| 7016304 | Link level retry scheme
| May 18, 2001 |
| 7006617 | Method of improving conferencing in telephony
| December 9, 1997 |
| 7006508 | Communication network with a collection gateway and method for providing surveillance services
| April 5, 2001 |
| 7006450 | Switch selection mechanism for a switch pool in a wireless telecommunications network
| July 17, 2001 |
| 7002977 | Policy based accounting and billing for network services
| June 29, 2001 |
| 6999463 | Number portability in a communications system
| August 6, 2003 |
| 6999461 | Routing schemes for packet switching networks
| June 15, 2001 |
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| January 30, 2001 |
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| July 31, 2001 |
| 6987766 | Transport of SONET signals over an optical communications network
| September 6, 2001 |
| 6987765 | Changing media sessions
| June 14, 2001 |
| 6982985 | Interaction of VoIP calls and cellular networks
| September 1, 2000 |
| 6982976 | Datapipe routing bridge
| July 13, 2001 |
| 6982973 | Multimedia interface for IP telephony
| November 22, 2002 |
| 6980086 | Method for operating an anti-theft system for a motor vehicle and an anti-theft system
| July 26, 2002 |
| 6978309 | Method and system for reprogramming instructions for a switch
| July 31, 2000 |
| 6973027 | System and method for maintaining a communication session over gatekeeper failure
| August 17, 2001 |
| 6967960 | Method and apparatus for emulating a local data port
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| 6967955 | Virtual path merging in a multipoint-to-point network tunneling protocol
| March 27, 2000 |
| 6967950 | Pull transfers and transfer receipt confirmation in a datapipe routing bridge
| July 13, 2001 |
| 6963583 | Generic call server and method of converting signaling protocols
| September 29, 2000 |
| 6961624 | Two-wire field-mounted process device
| January 20, 2004 |
| 6961339 | Telecommunications system
| February 4, 2002 |
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| May 11, 2000 |
| 6958979 | SS7 network planning tool
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| 6952423 | Telecommunications equipment
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| March 29, 2000 |
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| 6947385 | Changing quality of service for voice over IP calls
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| 6944191 | Method of optimizing equipment utilization in telecommunication access network
| December 21, 2000 |
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