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| Number | Title | Issue Date |
| 7412018 | Rapid acquisition synchronization sequences for direct sequence spread spectrum systems using code time offsets In a wireless communication system which includes a synchronization signal generator which generates a synchronization sequence, an RF transmitter which transmits the synchronization signal, and one or more receiver that receives the signal, where the synchronizatio... | 08/12/2008 |
| 7366166 | Data switching using soft configuration Network data switching comprises receiving a cell, associating the cell with a destination port, selecting an egress link that has been soft configured to be associated with the destination port, and switching the cell to the selected egress link. A network switch c... | 04/29/2008 |
| 7352699 | Switch fabric access scheduler A technique for providing access to a switch fabric is disclosed. In some embodiments, the method comprises determining scheduling information specific to a link to the switch fabric and using the scheduling information to determine a queue to be serviced by the lin... | 04/01/2008 |
| 7297008 | Cam and lever ejector assembly An ejector assembly for securing a modular assembly in a chassis is disclosed. The ejector assembly comprises a cam rotatably mounted to the modular assembly such that the cam may be rotated about a first axis, the cam having a control member configured to extend in... | 11/20/2007 |
| RE39677 | Local multipoint distribution system A local multipoint distribution system having a head end coupled to a plurality of base stations with each base station constituting a cell. Each base station has a plurality of sector beam antennas, each sector beam antenna illuminating a predetermined sector of th... | 06/05/2007 |
| 7201598 | RF connector/cable release mechanism An actuating device for a connector having a push-pull coupling mechanism is disclosed. The device comprises a release pull integrated with the connector and configured to operably engage the push-pull coupling mechanism, and a grip, coupled to the release pull and ... | 04/10/2007 |
| 7126949 | Source identifier for MAC address learning A header value or label, referred to herein as a source station identification (SSID), is added to an encapsulated packet header, such as by adding the SSID as a label to the bottom of a stack of MPLS labels. The SSID comprises a unique identifier that identifies th... | 10/24/2006 |
| 7110353 | Distributed digital cross-connect system and method A distributed digital cross-connect system (10) is provided. The system includes two or more network interface islands (12) that connect to the telecommunications network. The system (10) also includes one or more distributed services nodes (... | 09/19/2006 |
| 7079853 | System and method for application location register routing in a telecommunications network A system and method for application location register routing at a signal transfer point (26) are provided. The signal transfer point (26) includes processor clusters (64, 66, 68) and databases (236, 238) for processing queries including ... | 07/18/2006 |
| 7005938 | Software controllable termination network for high speed backplane bus A line card provides terminating resistors for a bus or traces on a backplane. The line card terminations are activated (connected to ground) by a crossbar switch that is set according to programming (software/firmware/flash memory stored instructions) maintained on... | 02/28/2006 |
| 7006433 | System and method for transporting in/ain signaling over an internet protocol (IP) network A system and method for transporting IN/AIN signaling (e.g., SS7 signaling) over an IP-based network using Stream Control Transmission Protocol (SCTP), wherein a peer-to-peer protocol adaptation (PPA) structure is provided at a signaling node. The PPA structure incl... | 02/28/2006 |
| 6965595 | Method and apparatus for internet access which bypass local central end office using digital loop carrier and permanent signal treatment procedures The time slot interchange capabilities of modern digital loop carriers are utilized to provide direct connectivity from the calling modem's line to an internet access modem bank through the digital loop carrier, thereby bypassing the local central end office. A call... | 11/15/2005 |
| 6868233 | Wavelength agile optical transponder for bi-directional, single fiber WDM system testing A wavelength agile optical transponder system and method for testing a fiber optic link formed of a single fiber. An optical source coupled to the optic link provides a signal at a first wavelength which is propagated towards a wavelength division multiplex (WDM) co... | 03/15/2005 |
| 6847702 | Systems and methods for enhanced reliability in a communication system Disclosed are systems and methods for transferring data between servers and subscribers. A central office employs DSL circuit cards. Each DSL circuit card encodes a digital signal using a discreet multitone technology (DMT) scheme, and sends an encoded signal on a s... | 01/25/2005 |
| 6834060 | Distributing local services telecommunications switching system A distributed local services telecommunications switching system (10, 50) is comprised of loosely coupled components, including a digital loop carrier (14, 56), an intelligent peripheral (12, 54), and a general purpose computing platform (12,... | 12/21/2004 |
| 6795393 | Method and apparatus for errorless path protection and rearrangement An apparatus and a method for cross connect matrices includes originating, center and terminating stages in both a main portion and a back-up portion that allows center stages to be switched without causing a framing error. The signal from the main portion is transm... | 09/21/2004 |
| 6754206 | Distributed telecommunications switching system and method A distributed telecommunications switching subsystem (100) receives and distributes data packets passed between a plurality of switching subsystems or channel banks (102, 104, 106) and a data packet switch (110). Each channel bank (102) h... | 06/22/2004 |
| 6747955 | Method and system for congestion control in a telecommunications network Congestion control is provided in a first telecommunications element by receiving a congestion state for a second telecommunications element coupled to the first telecommunications element. An internal congestion state is set in the first telecommunications element ... | 06/08/2004 |
| 6683887 | Asymmetrical digital subscriber line (ADSL) downstream high speed cell bus interface protocol An asymmetrical digital subscriber line (ADSL) downstream high speed cell bus interface protocol allows ADSL cell packets to be transmitted downstream from an ADSL bank control unit (ABCU) to a plurality of ADSL line units at a high rate of downstream thr... | 01/27/2004 |
| 6661799 | Method and apparatus for facilitating peer-to-peer application communication A system for performing Network Address Translation, which allows applications to request information concerning address translations to be performed, so that those applications may send useful information to other applications for the purposes of allowin... | 12/09/2003 |
| 6647021 | Asymmetrical digital subscriber line (ADSL) upstream subscriber bus interface (SBI) protocol Asymmetrical digital subscriber line (ADSL) upstream subscriber bus interface (SBI) protocol provides a SBI frame format which allows compatibility between an ADSL line card and either an ADSL bank control unit (ABCU) or a conventional narrowband bank con... | 11/11/2003 |
| 6621830 | Variable rate subscriber bus A variable rate subscriber bus is adaptable to carry communications traffic in the forms of DS0, T1 or DS1 formats between a channel bank and a channel card at any one of a plurality of predetermined data rates. The data rate for the variable rate subscri... | 09/16/2003 |
| 6608844 | OC-3 delivery unit; timing architecture A timing architecture for a delivery unit that interfaces telecommunications media to a switching matrix. The delivery unit is functionally partitioned into a number of application modules. Transport between the modules is handled by a bus control module,... | 08/19/2003 |
| 6600815 | Telephone network access adapter A telephone network access adapter for a computer includes a number of line ports for connection to telephone network lines, a subscriber port for connection to subscriber telephone equipment, a video port for connection to video equipment and a computer ... | 07/29/2003 |
| 6590899 | System for consolidating telecommunications traffic onto a minimum number of output paths A telecommunications network (12) includes a digital cross-connect system (10) that receives frame relay information carried in individual DS-0 signals over T-1 links (14) and/or multiple DS-0 signals over FT-1 links (16). The digital cross-connect system... | 07/08/2003 |
| 6574481 | System and method for application location register routing in a telecommunications network A system and method for application location register routing at a signal transfer point (26) are provided. The signal transfer point (26) includes processor clusters (64, 66, 68) and databases (236, 238) for processing queries including global title tran... | 06/03/2003 |
| 6574327 | Apparatus and method of processing local number portability calls in a signal transfer point of a telecommunications network In a telecommunications network (1), a signal transfer point (10) receives an Initial Address Message (IAM) generated by an originating service switching point (12) according to a call from an originating subscriber (20). The IAM includes a destination nu... | 06/03/2003 |
| 6574217 | Telecommunications switch for providing telephony traffic integrated with video information services A telephony and video telecommunications distribution network (10) includes a broadband fiber bank section (32) within a digital loop carrier system (22). The broadband fiber bank section (32) receives video information from a stored video information pro... | 06/03/2003 |
| 6570844 | System and method for providing redundancy in a telecommunications system A redundancy system for a telecommunications system is provided. The redundancy system includes one or more resources, such as circuit cards containing circuits that process data for telecommunications channels. A controller bus is used to connect a contr... | 05/27/2003 |
| 6567402 | OC-3 delivery unit; switching matrix interface A switching matrix interface for a delivery unit that transports network data on telecommunications media to a switching matrix. The interface shares a "common building block" format with other modules of the delivery unit. Specifically, a bus interface p... | 05/20/2003 |
| 6549620 | Signal transfer point local number portability database audit system and method A method of auditing a first local number portability database (31) associated with a first signal transfer point (22) includes sending, by a first audit manager (26), a request to the first signal transfer point (22), the request specifying at least one ... | 04/15/2003 |
| 6539013 | Method and apparatus for internet access which bypass local central end office using digital loop carrier and permanent signal treatment procedures The time slot interchange capabilities of modern digital loop carriers are utilized to provide direct connectivity from the calling modem's line to an internet access modem bank through the digital loop carrier, thereby bypassing the local central end off... | 03/25/2003 |
| 6526137 | System and method of performing forced default routing of calls A telecommunications network (1) includes a signal transfer point (10) that receives an initial address message from a service switching point (12). The signal transfer point (10) determines whether a Forward Call Identifier (FCI) "m" bit has been set ind... | 02/25/2003 |
| 6522732 | System and method of preserving stable calls during a split mode operation of telecommunications equipment A computerized method of preserving stable calls during a split mode operation of telecommunications equipment includes the steps of sending a call block update message from a first side of the telecommunications equipment to a second side of the telecomm... | 02/18/2003 |
| 6512755 | Wireless telecommunications access system A system for providing wireless telecommunications access is presented. The system includes a wireline assembly that provides access to a telecommunications system for one or more wireline subscribers. The system also includes a wireless assembly that pro... | 01/28/2003 |
| 6510214 | System and method of detecting overload in a service control point of a telecommunications network A service control point (24) includes an overload control system (50) that determines an overload rating (70) for an intelligent processing unit (82). The overload control system (50) includes a latency estimator (52) that requests and receives a latency ... | 01/21/2003 |
| 6493346 | System for providing conversion of TDM-based frame relay data in a cross-connect matrix to and from ATM data A high density frame relay circuit within a digital cross-connect matrix converts TDM based DCS matrix data containing frame relay data to/from a DS3 ATM physical interface and provides adaption processing between the frame relay and ATM domains. The circ... | 12/10/2002 |
| 6480890 | World Wide Web interface to telecom service creation environment A web interface (12) to a service creation environment (14) includes a service logic parser (42) adapted to receive a service logic description (32) from the service creation environment (14), parse the service logic description (32), and generate a web b... | 11/12/2002 |
| 6477178 | System and method and trafficking telecommunication signals A method of trafficking telecommunication signals having various formats, includes providing, at a first network element, a synchronous payload envelope having a first format, the synchronous payload envelope comprising a synchronous path and associated o... | 11/05/2002 |
| 6473436 | Digital loop carrier A telecommunications system has identical access terminal shelves and an intershelf bus interconnecting each shelf. Each access terminal shelf has transmission card slots constructed to accept different types of transmission cards that use different types... | 10/29/2002 |