| Patent Number |
Title Of Patent |
Date Issued |
| RE39677 |
Local multipoint distribution system |
June 5, 2007 |
| 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 the cell with RF com |
| 7412018 |
Rapid acquisition synchronization sequences for direct sequence spread spectrum systems using co |
August 12, 2008 |
| 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 synchronization sequence employs M P |
| 7366166 |
Data switching using soft configuration |
April 29, 2008 |
| 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 comprises an ingress |
| 7352699 |
Switch fabric access scheduler |
April 1, 2008 |
| 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 link. In some embodim |
| 7297008 |
Cam and lever ejector assembly |
November 20, 2007 |
| 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 into a recess in the |
| 7201598 |
RF connector/cable release mechanism |
April 10, 2007 |
| 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 remote from the pu |
| 7126949 |
Source identifier for MAC address learning |
October 24, 2006 |
| 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 the PE that originat |
| 7110353 |
Distributed digital cross-connect system and method |
September 19, 2006 |
| 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 (18). Each distributed services node (18) c |
| 7079853 |
System and method for application location register routing in a telecommunications network |
July 18, 2006 |
| 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 translation, local number portability |
| 7006433 |
System and method for transporting in/ain signaling over an internet protocol (IP) network |
February 28, 2006 |
| 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 includes an interworki |
| 7005938 |
Software controllable termination network for high speed backplane bus |
February 28, 2006 |
| 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 the line card to |
| 6965595 |
Method and apparatus for internet access which bypass local central end office using digital loo |
November 15, 2005 |
| 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 which is to a telepho |
| 6868233 |
Wavelength agile optical transponder for bi-directional, single fiber WDM system testing |
March 15, 2005 |
| 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) coupler disposed on the |
| 6847702 |
Systems and methods for enhanced reliability in a communication system |
January 25, 2005 |
| 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 subscriber line. A disc |
| 6834060 |
Distributing local services telecommunications switching system |
December 21, 2004 |
| 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, 52). The digital loop carrier (14, 56) pr |
| 6795393 |
Method and apparatus for errorless path protection and rearrangement |
September 21, 2004 |
| 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 transmitted through both the |
| 6754206 |
Distributed telecommunications switching system and method |
June 22, 2004 |
| 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) has a stored list of addresses. When a channel |
| 6747955 |
Method and system for congestion control in a telecommunications network |
June 8, 2004 |
| 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 for the second tel |
| 6683887 |
Asymmetrical digital subscriber line (ADSL) downstream high speed cell bus interface protocol |
January 27, 2004 |
| 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 throughput with flexible and eff |
| 6661799 |
Method and apparatus for facilitating peer-to-peer application communication |
December 9, 2003 |
| 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 allowing applications to communicate |
| 6653929 |
Method of determining network paths in a three stage switching matrix |
November 25, 2003 |
| In a three stage non-blocking switching matrix (10), there are originating stages (12), center stages (14), and terminating stages (16). In order to establish matrix connections for either a one input/two output scenario or a two input/one output scenario, a determination must be made as |
| 6647021 |
Asymmetrical digital subscriber line (ADSL) upstream subscriber bus interface (SBI) protocol |
November 11, 2003 |
| 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 control unit (BCU), and compatib |
| 6621830 |
Variable rate subscriber bus |
September 16, 2003 |
| 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 subscriber bus is selected according to |
| 6608844 |
OC-3 delivery unit; timing architecture |
August 19, 2003 |
| 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, with ingress buses from the |
| 6600815 |
Telephone network access adapter |
July 29, 2003 |
| 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 port for connection to computer |
| 6590899 |
System for consolidating telecommunications traffic onto a minimum number of output paths |
July 8, 2003 |
| 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 (10) includes a cross-connect |
| 6574481 |
System and method for application location register routing in a telecommunications network |
June 3, 2003 |
| 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 translation, local number portability |
| 6574327 |
Apparatus and method of processing local number portability calls in a signal transfer point of |
June 3, 2003 |
| 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 number associated with a destinatio |
| 6574217 |
Telecommunications switch for providing telephony traffic integrated with video information serv |
June 3, 2003 |
| 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 provider (12) through a broadband |
| 6570844 |
System and method for providing redundancy in a telecommunications system |
May 27, 2003 |
| 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 controller to the resources. Another |
| 6567402 |
OC-3 delivery unit; switching matrix interface |
May 20, 2003 |
| 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 port of the interface transports |
| 6549620 |
Signal transfer point local number portability database audit system and method |
April 15, 2003 |
| 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 ported telephone number. A first |
| 6539013 |
Method and apparatus for internet access which bypass local central end office using digital loo |
March 25, 2003 |
| 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 which is to a telepho |
| 6526137 |
System and method of performing forced default routing of calls |
February 25, 2003 |
| 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 indicating that a local number p |
| 6522732 |
System and method of preserving stable calls during a split mode operation of telecommunications |
February 18, 2003 |
| 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 telecommunications equipment. The call |
| 6512755 |
Wireless telecommunications access system |
January 28, 2003 |
| 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 provides access to a telecommuni |
| 6510214 |
System and method of detecting overload in a service control point of a telecommunications netwo |
January 21, 2003 |
| 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 (66) for a service logic interpre |
| 6493346 |
System for providing conversion of TDM-based frame relay data in a cross-connect matrix to and f |
December 10, 2002 |
| 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 circuit is controlled by a DCS ad |
| 6493337 |
Method and apparatus for internet access which bypass local central end office using digital loo |
December 10, 2002 |
| 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 which is to a telepho |
| 6480890 |
World Wide Web interface to telecom service creation environment |
November 12, 2002 |
| 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 browser readable service data file |
| 6477178 |
System and method and trafficking telecommunication signals |
November 5, 2002 |
| 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 overhead portion and a payload |
| 6473436 |
Digital loop carrier |
October 29, 2002 |
| 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 of transmission media to com |
| 6470028 |
System and method for translating telecommunications signals of span interfaces |
October 22, 2002 |
| A system for switching communications signals between a first communications network and a second communications network is provided. The system includes a J1 interface coupled to the first communications network by a J1 span, a E1 interface coupled to the second communications netwo |
| 6456708 |
Triggerless number portability system and method |
September 24, 2002 |
| A method of providing local number portability capability includes the steps of capturing all initial address message transmitted on at least one predetermined SS7 link set to a signal transfer point, where each initial address message has a called party number parameter containing a dia |
| 6456088 |
1st level power fault testing apparatus for testing telecommunications equipment |
September 24, 2002 |
| A portable power fault testing apparatus for testing telecommunications equipment's line cards to BellCore's AC power fault standards. A switched transformer unit is coupled to a single-phase AC line voltage source for generating a switched voltage output in 0-220 volt range or in 0-1100 |
| 6452951 |
Apparatus and method of processing signaling bits of integrated services digital network signals |
September 17, 2002 |
| A time slot interchanger (10) includes a D-channel processing device (30). The D-channel processing device (30) includes a main memory (32), a D-channel memory (34), and a D-channel assembler (36). The main memory (32) receives telephony data and signaling traffic from a subscriber in |
| 6452944 |
Asymmetrical digital subscriber line (ADSL) signal traffic and non-ADSL traffic discriminator |
September 17, 2002 |
| A subscriber bus interface (SBI) frame format provides discrimination between asymmetrical digital subscriber line (ADSL) signal traffic and non-ADSL traffic. In the frame format, ASDL identification tag (AIT) bits are assigned to a higher order byte of an SBI time slot of an SBI frame |
| 6446074 |
System and method for defining, building, and maintaining database files |
September 3, 2002 |
| A system for defining, building, and maintaining database files includes a database builder, a user interface, and a memory. The database builder provides screen displays to the user interface to allow access to databases within the memory. The database builder provides a capability to |
| 6445778 |
Telephone tag entertainment |
September 3, 2002 |
| To alleviate the frustration of telephone tag, if the called party is unavailable (32), the calling party is offered the chance to participate in a game (36). The user can accept or reject the offer (38). If the offer is accepted, a game is played (40), if the offer is rejected, the call |
| 6444931 |
Modular circuit breaker housing assembly |
September 3, 2002 |
| A customizable, modular circuit breaker housing assembly having an optimized compact form factor for use with electrical and telecommunications equipment. The housing assembly is comprised of an interlocked arrangement of individual housing portions coupled at one end to an end housi |
