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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...
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...
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...
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,...
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 ...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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")...
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...
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...
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...
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...
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...
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...
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...
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...
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)...
Matches 1 - 50 out of 224 1 2 3 4 5 >