Patents
Patents for H04Q 3 - Selecting arrangements (38,975)
09/2007
09/30/2007CA2576669A1 Telephone system and telephone terminal apparatus
09/27/2007WO2007109509A1 Using a single point code to represent multiple switching devices
09/27/2007CA2642967A1 Using a single point code to represent multiple switching devices
09/26/2007EP1838112A1 Method for caller reoriginating call in the prepaid card service
09/26/2007EP1838039A1 An implementing method of multiple service flows resource application
09/26/2007EP1068764B1 Method and apparatus for signalling between terminals
09/26/2007EP0829147B1 System and method for avoiding false convergence in the presence of tones in a time-domain echo cancellation process
09/26/2007CN101043758A 光交换系统 Optical switching system
09/26/2007CN101043680A Method of application program for prevention illegal update mobile terminal
09/26/2007CN101043671A Method and system for controlling user terminal to read system message
09/26/2007CN101043660A Method for realizing end-to-end encrypting call in cluster system
09/26/2007CN101043652A Missing call reminding method and missing call reminding service entity
09/26/2007CN101043648A Business service switching system
09/26/2007CN101043562A Fee counting method for CDMA intelligent network service
09/26/2007CN101043558A Communication apparatus and method for avoiding deadlock of terminal equipment
09/26/2007CN101043557A Communication apparatus and method for automatic switchover communication channel
09/26/2007CN101043555A Prompting tone updating method, system and voice playing equipment thereof
09/26/2007CN101043547A System for realizing memory color bell tone and method thereof
09/26/2007CN101043407A Method and system for enquiring data of sensor network and sensor node
09/26/2007CN101043371A Method for reporting board performance data of equipment
09/26/2007CN101043369A Service gradation based loss distribution method
09/25/2007US7275099 Private branch exchange back-up system, back-up device for private branch exchange and failure coping method of network system
09/25/2007US7274786 Method and system for processing telephone calls via a remote tie-line
09/25/2007US7274784 Methods, systems, and computer program products for routing calls based on the originating network
09/25/2007US7274783 Methods and systems for implementing a real-time, distributed, hierarchical database using a proxiable protocol
09/25/2007US7274780 Network having space chattering control for maximizing call throughput during overload
09/25/2007US7274710 Asynchronous crossbar with deterministic or arbitrated control
09/25/2007US7274709 Asynchronous crossbar with deterministic or arbitrated control
09/25/2007US7274687 Signaling method and arrangement
09/25/2007US7274672 Data processing system and method
09/25/2007US7274669 Facilitating digital subscriber line services via a subscriber premise network interface device
09/25/2007CA2419269C Design of communications networks
09/25/2007CA2307573C Method to suppress number portability database queries
09/24/2007CA2580174A1 Server apparatus
09/20/2007WO2007088232B1 Telephone call routing system
09/20/2007US20070220166 Marine pipelay system and method
09/20/2007US20070217587 Method and system for providing location information associated with a calling party
09/20/2007US20070217437 Method and apparatus for communicating with one of plural devices associated with a single telephone number during a disaster and disaster recovery
09/20/2007DE19813726B4 Kommunikationsanlage Communication system
09/20/2007DE10120658B4 Telefonapparat und Verfahren für dessen Verbindungseinstellung Telephone and method for its connection setting
09/19/2007EP1835767A1 Method, apparatus and system for interworking between signalling networks
09/19/2007EP1835766A1 Method for enhancing control ability of service control point
09/19/2007EP1407401B1 Topping up a subscriber's account for a multimedia service on a communications network while the service is being provided
09/19/2007EP1195074B1 Improvements in, or relating to, telecommunications systems
09/19/2007EP1025714B1 System for handling telephone calls
09/19/2007CN101039364A Group telephone exchange service expense calculating method, system and equipment
09/19/2007CN101039358A Synchronization method and equipment for auto-calling queue distributed equipment service
09/19/2007CN101039350A System and method for realizing telecom service of specific returning tone and service triggering part thereof
09/19/2007CN101039348A Method for distinguishing and processing two kinds of dialing fault of soft switching users
09/19/2007CN101039196A Method, system and apparatus for realizing intelligent service
09/18/2007US7272415 Telephone system enabling operation of a telephone set by way of a portable terminal
09/18/2007US7272414 Method and apparatus for configuring a voice over IP client connection
09/18/2007US7272391 Switch-based call processing with detection of voice path connection between multiple trunks in external network
09/18/2007US7272311 Optical ring network for burst data communication
09/18/2007US7272221 System and method for providing telephony services to remote subscribers
09/18/2007US7272219 Method and system for providing enhanced caller identification information for subscribers that interface via private trunk groups
09/18/2007US7272154 Method for linking units with standardized interfaces to devices of a network system
09/18/2007US7272143 ATM communication system, process migration method in the ATM communication system, and handover processing method
09/18/2007US7272136 Dual tone multi frequency signal detection
09/18/2007US7272135 Gateway apparatus
09/18/2007US7272133 Method and system for implementing standard applications on an intelligent network service control point through an open services gateway
09/18/2007US7271640 Mixer circuit with bypass and mixing modes having constant even order generation and method of operation
09/16/2007CA2581603A1 System and method for controlling vcc functionality in a network environment including ims
09/13/2007WO2007103518A1 Control method for a telecommunication distribution system
09/13/2007WO2007103506A1 Telecommunications device having distribution units arranged in block configuration
09/13/2007WO2007103462A1 Telecommunication distribution device with multi-circuit board arrangement
09/13/2007WO2007103393A1 Telecommunications distribution system with line sharing
09/13/2007WO2007103269A2 Call flow system and method use in voip telecommunication system
09/13/2007WO2007103218A2 System and method for executing originating services in a terminating network for ims and non-ims applications
09/13/2007WO2007103140A2 Call flow system and method use in legacy telecommunication system
09/13/2007WO2007103127A2 System and method for speeding call originations to a variety of devices using intelligent predictive techniques for half-call routing
09/13/2007WO2007103125A2 System and method for dtmf detection in an active voip call system
09/13/2007WO2007103121A2 Mobile application gateway for connecting devices on a cellular network with individual enterprise and data networks
09/13/2007WO2007101328A1 Adaptive voice packetization
09/13/2007US20070212530 Restrictive and Preferential Routing in a Distributed Mobile Switching Center Environment with Media Gateway Clusters
09/13/2007US20070212066 Optical signal changeover device and optical signal changeover method
09/13/2007US20070211874 Method and System for Providing Enhanced Call Waiting and Caller Identification
09/13/2007US20070211865 Methods and computer program products for tracking modifications in physical plant during maintenance of a communication network
09/13/2007CA2644437A1 Adaptive voice packetization
09/12/2007EP1833276A2 Television apparatus
09/12/2007EP1833266A2 Distributed communications network management and control system
09/12/2007EP1833265A2 Method for the establishment of a telecommunication link
09/12/2007EP1832128A1 Intelligent network services in a mobile network
09/12/2007EP1279211A4 Topology-based reasoning apparatus for root-cause analysis of network faults
09/12/2007CN101035391A 1xN dynamic light wavelength router based on the micro-loop
09/12/2007CN101035309A Relay method based on inter-correlation
09/12/2007CN101035307A Implementation method for fuzzy number analysis in the switcher
09/12/2007CN101035306A Intelligent network device capability management method and intelligent network system
09/12/2007CN101035226A Television apparatus
09/12/2007CN101035176A System, device and method for realizing the charging notice in the packet domain
09/12/2007CN101035166A Method for realizing back call on busy
09/12/2007CN101035163A Free call control method, switching device, service control device and system
09/12/2007CN101035160A System and method for realizing the fixed network color ring
09/12/2007CN101035110A Service transferring method, system and unit
09/12/2007CN101035072A Data transfer method for cooperative work of the link layer and transport layer in the dynamic optical network
09/12/2007CN101035051A Service control method and corresponding intelligent network device and system
09/12/2007CN101035020A Communication adaptation layer system and method for obtaining the network element information
09/12/2007CN100337488C Method for preventing mobile user multiple insertion
09/12/2007CN100337483C Method for selecting cell for multi-mode user terminal
09/12/2007CN100337441C Method for table lookup in packet forwarding
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