Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7702079 | Adapter unit and method In one aspect of the invention, emergency modes of operation for an adapter unit comprising a channel transmitter/receiver unit, a data packet transmitter/receiver unit, and a data insertion/data retrieval unit which inserts signaling data transmitted by the channel... | 04/20/2010 |
| 7440553 | Apparatus and method for checkpointing a half-call model in redundant call application nodes An Intelligent Network (IN) switch for use in a communications network. The Intelligent Network (IN) switch comprises N call application nodes capable of executing a plurality of primary-backup group (PBG) applications. Each of the plurality of primary-backup group ... | 10/21/2008 |
| 7382772 | Communication system that shares protect links among multiple services including an internet service A first optical interface is coupled to a first IP service node and a first non-IP service node. A second optical interface is coupled to a second IP service node and a second non-IP service node. The first optical interface is coupled to the second optical interfac... | 06/03/2008 |
| 7380164 | Fail-over support for legacy voice mail systems in New World IP PBXs An Integrated Communication System (ICS) with fail-over serial data connectivity is disclosed. In one aspect, an ICS may comprise a chassis including a System Switch Processor (SSP) for providing connectivity to a plurality of slots. A Serial Alarm Processor (SAP) m... | 05/27/2008 |
| 7349526 | Methods for testing cable pairs in a telecommunications network Methods are disclosed for testing cable pairs in a telecommunications network. One method connects a test line to a telecommunications switch. The test line is connected to an inactive cable pair. The inactive cable pair has no telecommunications service established... | 03/25/2008 |
| 7319747 | Method and system for combining an emergency standalone switching device with a switching system interface The present invention is a system and method of combining an emergency standalone switching device with a switching system interface used to bypass the common control and switch matrix of a class 5 digital switch. The emergency standalone switching device pro... | 01/15/2008 |
| 7260399 | Method and system for asymmetric handoff of wireless communication sessions A method for handing off a wireless communication session between a first radio network and a second radio network. The method includes handing off the wireless communication session from the first wireless communication to the second radio network based on a first ... | 08/21/2007 |
| 7257629 | Method and apparatus for providing back-up capability in a communication system Embodiments of the present invention provide a system, method, apparatus, means, and computer program code for facilitating or providing a back-up capability in a communication system and for improving availability and reliability of a distributed communication syst... | 08/14/2007 |
| 7257205 | Method and apparatus for communicating with one of plural devices associated with a single telephone number during a disaster and disaster recovery A system for (and a method of) selectively establishing communication with one of plural devices associated with a single telephone number during a disaster or disaster recovery period. In a preferred embodiment, the system includes two wireless connection units, ea... | 08/14/2007 |
| 7227927 | Scalable call processing node A scalable call processing node includes link interface modules capable of processing n calls per second and call server modules capable of processing m calls per second, n is variable relative to m by changing the relative numbers of call server and link interface ... | 06/05/2007 |
| 7177396 | Apparatus for management and remote control of electrical characteristics of wire pairs connected to a telephone exchange An apparatus for the management and the remote and/or automatic control of electric characteristics and signal transmissivity of the metallic line pairs connected to a telephone exchange, including measurement means and means able to connect said measurement means t... | 02/13/2007 |
| 7142640 | Method and system of remotely restoring communication lines The disclosure relates generally to a system of restoring communication circuits. The system includes an automated circuit switchover system embedded within a telephone central office, a technician terminal for use by telephone network operations personnel, a test a... | 11/28/2006 |
| 7139238 | Apparatus and method for multiplexing special resource of intelligent network-intelligent peripheral An apparatus and method for multiplexing a special resource of an intelligent network-intelligent peripheral (IN-IP) are disclosed, including a plurality of specialized resources that provide services to subscriber calls, contacting an intelligent network, and a plu... | 11/21/2006 |
| 7130275 | Extended automatic protection switching arrangement An automatic protection arrangement for a communication system (100) provides a working line terminal equipment (300 and a link (1A) for transmitting bearer traffic from a number of bearer payload processors (50-N) to a switching center (... | 10/31/2006 |
| 7110534 | Terminal blocks and methods for making and breaking connections in a telecommunication conductor In embodiments of the present invention, telecommunications terminal blocks are provided for making and breaking connections between a first telecommunications conductor, a second telecommunications conductor and a service wire. The terminal block includes a housing... | 09/19/2006 |
| 7075886 | Method and apparatus for routing information in satellite communication networks A communication network employed by the present invention includes one or more ground stations and a plurality of satellites. The ground stations and satellites basically serve as network nodes and each include a router that typically employs the OSPF routing protoc... | 07/11/2006 |
| 7065670 | Server monitoring and failover mechanism Access of a malfunctioning server to a data storage facility is blocked. Characteristics such as IAmAlive signals from a server are monitored and when out of profile a malfunction is indicated and data access of that server is inhibited. Characteristics continue to ... | 06/20/2006 |
| 7050546 | System and method for providing POTS services in DSL environment in event of failures A system and method are presented for providing a telephone service. An analog signal is received from a telephone and the analog signal is converted into a digital signal in a first format. A modem is provided for receiving the digital signal in the first format. A... | 05/23/2006 |
| 7032129 | Fail-over support for legacy voice mail systems in New World IP PBXs An Integrated Communication System (ICS) with fail-over serial data connectivity is disclosed. In one aspect, an ICS may comprise a chassis including a System Switch Processor (SSP) for providing connectivity to a plurality of slots. A Serial Alarm Processor (SAP) m... | 04/18/2006 |
| 6992977 | Transmission apparatus and a method for transmitting data in a data transmission system A transmission apparatus includes a reception line selecting unit, a communication confirming frame transmitting unit, a communication confirming table, and a reception line deciding unit. The reception line selecting unit selects one of several reception lines each... | 01/31/2006 |
| 6961415 | Method and system for facilitating telecommunications service provisioning and service assurance An automated system coordinates, controls and polices installation of customer premise equipment (CPE) for telecommunications services and provides continuing service assurance. The system verifies equipment availability on service request, schedules a qualified tec... | 11/01/2005 |
| 6956943 | Method and apparatus for minimizing the telephony ring voltage power supply requirements of an integrated services hub The present invention discloses a method and apparatus for reducing the power required by an integrated services hub supporting a plurality of telephone circuits, comprising offsetting ringing of each of the plurality of telephone circuits such that all the telephon... | 10/18/2005 |
| 6931103 | Failover mechanisms for remote networked phones A method of providing failover service to network phones. A failure of communication between a network phone and a primary call manager is identified. Communication is established with a default network device and directory information is provided to the default net... | 08/16/2005 |
| 6847718 | Remote power feed method and system A remote power feeding method allowing efficient remote power feeding into a network termination device in the event of a commercial power failure at a subscriber site is disclosed. When the commercial power failure occurs, a power failure signal is transmitted from... | 01/25/2005 |
| 6792079 | Remote access for cable locator system A system for transmitting operational control messages to a plurality of remotely-disposed cable-locating transmitters uses a spare communication line associated with each transmitter to carry the control messages from unit to unit. In the case of a fiber optic cabl... | 09/14/2004 |
| 6754320 | Process, exchange, charge computer, charge billing computer and program modules for the processing of charge data for telecommunications services The present invention relates to a process, an exchange (SW1), a charge computer (BS1), a charge billing computer (BC) and a program module in each case for an exchange (SW1), for a charge computer (BS1) and for a charge billing computer ... | 06/22/2004 |
| 6754204 | 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 discrete multitone technology (DMT) scheme, and sends an encoded signal on a s... | 06/22/2004 |
| 6683951 | Method and apparatus for providing service to VODSL derived telephone lines during power interruptions An apparatus and method for maintaining access to lifeline services through telephone sets provided with telephone service from a voice over digital subscriber loop (VoDSL) transceiver during power interruptions are described. All telephone sets associate... | 01/27/2004 |
| 6590961 | Call protect systems with handoff redundancy Call-protect systems are arranged, upon an operating failure, to handoff a call in progress and maintain processing of the call without disruption or need to reinitiate. Application processor (AP) nodes are configured to continuously run standby call proc... | 07/08/2003 |
| 6584197 | Power-limited remote termination converter with wetting current and emergency power operation for digital data transmission equipment A power management system is interfaced with both a local utility power source and a remotely powered span, and monitors the power availability for and requirements of DDS terminal equipment. Upon detecting that local utility power is insufficient to oper... | 06/24/2003 |
| 6577728 | Method of providing continual network access for subscriber communication lines A method for providing automatic restoration of network access for user lines within a communication system. The user lines interface with groups of transmission lines that include dedicated transmission lines which are connected to the user lines, idle t... | 06/10/2003 |
| 6556660 | Apparatus for providing redundant services path to customer premises equipment An apparatus that provides a redundant path for providing service using existing or original equipment when failure or degradation of performance of new equipment is detected in a communication network. A controller module monitors the performance of new ... | 04/29/2003 |
| 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 |
| 6512817 | Method and apparatus for polling telephony line status in an integrated services hub to reduce power consumption The present invention discloses a method for reducing battery power consumed by an integrated services hub supporting a plurality of telephone lines. The status of power to the integrated services hub is monitored, and upon detecting a failure of primary ... | 01/28/2003 |
| 6510204 | Method and apparatus for providing an all digital loop with power-optimised mode An apparatus for use in an all digital loop contains a first network node (30), a second network node (31), and a data transmission line (32) there between. Each one of the first and second network nodes (30, 31) is operable to transmit to the other at le... | 01/21/2003 |
| 6400803 | Voice over digital subscriber line call redirection for lifeline service Customer premises equipment for a telecommunications DSL subscriber is adapted to provide a lifeline voice service under a fault condition, e.g. a power failure at the subscriber station. The arrangement incorporates a number of switchable local subscribe... | 06/04/2002 |
| 6356622 | System and apparatus for enhancing a network link A system for providing robust and secure communications connections in a telecommunications network is disclosed. The system includes an apparatus supporting functions directed to the establishment of a backup link in the event of a network fault, securit... | 03/12/2002 |
| 6181677 | Method and apparatus for detection and protection against data loss in a fractional T1/E1 communications environment A method and apparatus for protection against loss of data in a fractional T1/E1 communications environment utilizes a message signaling arrangement between data service units and/or channel service units (DSU/CSU) to detect interruption in data transfere... | 01/30/2001 |
| 6137862 | Failover mechanism for computer/telephony integration monitoring server A monitoring system includes multiple redundant processes for gathering and archiving information. The processes are well adapted for use within a call center which has multiple agents for processing inbound/outbound calls. The information concerns the ca... | 10/24/2000 |
| 6115355 | Reprovisioning monitor A device for enabling automatic restoration of network access for user lines within a communication system. The user lines interface with groups of transmission lines that include dedicated transmission lines which are connected to the user lines, idle tr... | 09/05/2000 |
