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7512776 |
Optimized control plane signalling for a high availability network device in a communications network
A method for resetting a component of an off-card assembly in a redundant system, the redundant system having first and second control plane cards coupled to the off-card assembly by respective...
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RE40451 |
Procedure for ensuring the operation of signalling channels in a V5 interface
The present invention relates to a procedure for ensuring the operation of signalling channels in a V5 interface between a local exchange (LE) and an access node (AN). The interface includes at...
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7376088 |
Redundant communication network of the switched full-duplex ethernet type and a management method of the redundancy of such a network, notably in the avionic domain
A redundancy management method of a switched full-duplex Ethernet communication network includes at least two independent elementary networks each of which includes at least one source equipment...
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7343156 |
Method for logging on a portable part at a base station and base station for carrying out the method
A method, and base station, are provided for logging on a portable part at a base station having activating capabilities for more than a single associated portable part, wherein the base station,...
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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 ...
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7308477 |
Unified messaging system configured for transport of encrypted messages
A unified messaging system is configured for encrypting messages. The calling party is prompted to encrypt the unified message, for example as part of an extended options menu. The unified...
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7236587 |
Systems and methods for determining critical circuit diversity
According to the invention, systems and methods are provided for analyzing the diversity of a set of critical telecommunication circuits. For example, according to one embodiment of the invention,...
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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...
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7158627 |
Method and system for inhibiting softswitch overload
A method includes receiving, at a softswitch executing on a computer, a plurality of calls for switching, monitoring at least one criteria associated with operation of the computer, and based on...
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7065038 |
Automatic protection switching line card redundancy within an intermediate network node
An apparatus and technique configures an intermediate network node, such as an aggregation router, to implement automatic protection switching (APS) redundancy among its line cards in the event of...
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7058170 |
Method for operating and apparatus for a back-plane supporting redundant circuit cards
The present invention provides clear and robust arbitration of which of two system controllers is in control of a telecommunications switching system. Each system controller monitors and actively...
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6990320 |
Dynamic reallocation of processing resources for redundant functionality
A method of and multi-processor based apparatus for dynamically reallocating processors to provide redundant functionality, the method including detecting a fault in a first function having a first...
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6970555 |
Fault tolerant telephony control
An agent workstation in a computer-telephony system is controlled to provide a fault tolerance technique. A telephony device driver in the workstation is controlled by a server process in the...
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6915136 |
Mobile communication method and mobile communication system
Any one of a plurality of terminals sharing the same number determines whether or not to switch a transfer to any of the other terminals sharing the same number. If it determines that the transfer...
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6904142 |
Digital exchanging apparatus and method of communication control
IP-PBXs having different structure, for example, stand-by and active transmission lines are connected between unused pins of the interface block 24 A and 24 B to supply the relay driving signal...
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6850517 |
System and method for high-capacity electronic switching
A high-capacity electronic switching system includes two or more first stage switch modules to each of which one or more subscriber terminals (telephone sets, fax machines, personal computers,...
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6829351 |
Apparatus and method of replacing telephony cards without down time
Apparatus of facilitating circuit card replacement without down time, comprising a redundancy connector assembly having a first connector and a second connector, a redundant bus, and a first...
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6826274 |
Exchange control method
The present invention concerns an exchange control method, wherein an old host exchange accommodating a remote switch unit or subscribers is adapted to be accommodated in a new host exchange, and...
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6782094 |
System and method for backup network glare reduction
A system for providing a backup network is disclosed that includes a glare detection circuit, an arbitration circuit, and a line control circuit. The glare detection circuit receives a dial signal...
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6707907 |
Digital-cross-connect system single element restoration technique
Restoration of an inoperative network element ( 12 ) such as a digital cross-connect system is accomplished by receiving updates from each element as they occur in a local controller network ( 18...
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6700868 |
Switching redundancy control
An apparatus and method for switching redundancy control which provides fast switching from a malfunctioning component to a redundant component with minimum data flow interruption for both...
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6678370 |
Data extraction process
The system automatically generates electronic commands necessary to modify or provision different types of program control switches as may be included in a public switch telephone network. A data...
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6668053 |
Process for generating recent change commands for various stored program telephone switches
The system automatically generates electronic commands necessary to modify or provision different types of program control switches as may be included in a public switch telephone network. A data...
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6650749 |
Method and system for protecting equipment and switching functionality in a telecommunication system
The present invention relates to a method and system for protecting equipment and switching functionality in a telecommunication system, which system comprises a central processor and regional...
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6621515 |
System and method for routing video calls
A method and system for routing video calls includes one or more video endpoints. An array of infrastructure routing elements transmits the video calls between the video endpoints along one or more...
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6614904 |
Apparatus and method for effecting a communication arrangement between switch arrays
An apparatus is disclosed for effecting a communication arrangement of a plurality of communication circuits between first connection loci of a first switch array and second connection loci of a...
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6577882 |
Arrangement and a method relating to power supply in a communications network
A method and an arrangement supplies power in a communications network ( 100 ) comprising subscriber side ( 110 ) and a provider side ( 120 ), the provider side being connected to nodes of the...
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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...
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6570976 |
Multimedia private branch exchanger and private branch exchange system
The router unit is built in the main key telephone apparatus, the office line interface function and the independent power supplying function are deleted in the router unit, and the office line...
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6567516 |
Method and device for controlling affiliation of remote line-collection device with switch
A method of controlling affiliation of a remote line-collection device with a plurality of switches connected via a network includes the steps of providing each switch with a backup-storage area in...
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6556672 |
Fault tolerant voice processing system
A fault tolerance call processing system is disclosed. The fault tolerance at the server level is achieved by shadowing between primary functional components and standby functional components...
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6519337 |
Method for searching trunks in telecommunication N/Ws
The present invention relates to a method for searching trunks in exchange systems that a subsystem searches a standby idle trunk for preparing a next trunk usage, stores information of the standby...
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6498846 |
Method and system for distributing data to nodes in PBX network
Disclosed is a system and method which can efficiently distribute local data supplied from a single maintenance terminal to all of nodes and can certainly make data synchronized among the nodes....
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6473506 |
Signaling using phase rotation techniques in a digital communications system
In a telecommunications system, such as a cellular radio telecommunications system, transmission information, such as modulation scheme selection information, coding information or power level...
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6411630 |
Procedure for releasing connections
Procedure for releasing the connection between a user port and an associated channel, or voice time slot, in an access node (AN) connected to a local exchange (LE) via a V5.2 interface. According...
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6393114 |
Switching equipment for setting up a connection between at least two telephone subscribers
Switching equipment for setting up a connection between at least two pieces of terminal equipment wherein terminal equipment-related supplementary information such as, for example, the telephone...
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6377677 |
Telecommunications network having successively utilized different network addresses to a single destination
To provide secure communications to a PBX ( 20,22 ) the PBX is connected to two different local exchanges of the PSTN. On recognising a telephone number designating calls to the PBX service...
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6366662 |
System and method for alternative routing of subscriber calls
A method of switching subscriber calls is disclosed that includes receiving a subscriber call request on an access terminal, determining whether the access terminal is in communication with a...
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6363498 |
Method and apparatus to automatically back up switching system files
Computer-controlled switching systems, such as telephone switching systems, like the No. 4ESS™, are extremely complex. Such systems routinely require millions of bytes of program instruction and...
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6347138 |
Procedure for ensuring the activation of a V5 interface
The present invention relates to a procedure for ensuring the activation of a V5 interface formed between a local exchange and an access node. According to the invention, the checking of the...
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6327361 |
Multivariate rate-based overload control for multiple-class communications traffic
A method and system for controlling overload at a network processor in a communications system. Messages relating to a plurality of types of calls, functions or processes (collectively, "calls")...
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6320949 |
Method for duplicating calls of remote multiple subscribers
A method and apparatus for duplicating a call of a remote subscriber system having an active processor and a standby processor. The method includes the steps of: checking whether a call is...
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6252956 |
Switching system data inheritance method and system
In a switching system data inheritance method of controlling hardware on the basis of a first database storing various management data such as subscriber information to inherit switching system...
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6226633 |
Method of forming a user interface for a telecommunications exchange
A user interface for a telecommunication exchange in which the user gives control commands via the interface from an external terminal to the telecommunication exchange of which commands at least...
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6226376 |
Method and apparatus for reusing service circuit resources in a telecommunications network
A method and apparatus for managing resources within a switch where the switch has multiple service circuits each being connected to its own subset of resources. A target service circuit having an...
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6208856 |
Method for maintaining service nodes in a telecommunications network
A method for achieving operational reliability in an overlayed network of service nodes is disclosed. The overlayed network of service nodes is connected to a public telecommunications network. In...
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6205557 |
Redundant call processing
A telecommunications network includes at least an active and a standby call server, the standby call server becoming active upon failure of the active call server. To facilitate rapid switch-over...
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6175731 |
Radio communication apparatus and control method therefor
In placing a call, a destination telephone number entered through the keyboard section 12 is saved in a storage device 10. A signal indicating that a line cannot be connected (BUSY signal) enters...
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6108409 |
Communication system with centralized global title translation table
AIN services include multiple SCP pairs, which can be expanded to meet increased demand. The expansion can occur without cessation in services by migrating records between SCP pairs while...
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6075848 |
Call patterns in a communications network
In a communications network, call records are generated by a plurality of originators (CLI#1, CLI#2, CLI#3) making calls to a service provider (180). The call records are stored in a database (145)...
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