Patents
Sitemap › H04 - Electric communication technique › H04M - Telephonic communication › H04M 7 - Arrangements for interconnection between switching centres
Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777)
10/2010
10/13/2010CN1578312B Ip communication device
10/13/2010CN101860933A Conversion device for wireless wide area network to Ethernet and transmission system thereof
10/13/2010CN101860630A Transmission method and system of out-of-band dual tone multiple frequency (DTMF) signal
10/13/2010CN101860629A Method, equipment and system for binding external exchange port and IP phone in one-to-one correspondence
10/13/2010CN101860542A Method and system for realizing call waiting in clicking-to-dial service
10/13/2010CN101222550B Determining pairings of telephone numbers and ip addresses from caching and peer-to-peer lookup
10/13/2010CN101159787B Soft switching communication system and method of implementing session service
10/13/2010CN101127805B Method for receiving accompanied signals
10/13/2010CN101106613B A method for simulating loop relay direct call out function
10/13/2010CN101102279B Customized special IC and method and system for exchanging data pack and VoIP pack
10/12/2010US7813495 Apparatus and method for automatic gain control and echo cancellation in a network system
10/12/2010US7813492 Method and system for establishing a multimedia connection by negotiating capability in an outband control channel
10/12/2010US7813491 AIN query redirection
10/12/2010US7813490 Methods and apparatus for implementing customized ringback
10/12/2010US7813336 Service providing system cooperative with VoIP and web environments and a method therefor
10/12/2010US7813334 Method and apparatus for co-socket telephony
10/12/2010US7813333 Method and apparatus for co-socket telephony
10/12/2010US7813332 Voice call alternative routing through PSTN and internet networks
10/12/2010US7813328 Method and system for transferring wireless transmit/receive unit-specific information
10/12/2010CA2533627C A method for the statistical estimation of the traffic dispersion in telecommunication network
10/12/2010CA2456171C Local exchange subscriber line conferencing method
10/12/2010CA2397215C Exchange of information in a communication network
10/07/2010WO2010114639A1 Network backhaul systems and methods
10/07/2010WO2010112805A1 Call control
10/07/2010WO2010112740A2 Method for routing a request for setting up a call
10/07/2010US20100255829 Method and apparatus for communicating with one of plural devices associated with a single telephone number during a disaster and disaster recovery
10/07/2010US20100254526 Local routing management in a telecommunications network
10/07/2010US20100254376 Branch calling and caller id based call routing telephone features
10/06/2010EP2235884A2 Methods&apparatus for dual-tone multi-frequency signal analysis within a media over internet protocol network
10/06/2010EP1542442B1 Communication system
10/06/2010EP1407585B1 Method and apparatus for exchange of information in a communication network
10/06/2010CN201601729U 一种软交换系统 A soft switching system
10/06/2010CN201601686U 网络电话与pstn电话智能网关 Internet telephony and intelligent gateway pstn phone
10/06/2010CN1997086B Implementation method of automatic repeat call trial in the soft switch network
10/06/2010CN1886999B Method and communication system for automatically discovering the multimedia service capability
10/06/2010CN1822626B Analogue relay interface control method
10/06/2010CN101854444A Visible dispatching system and dispatching method
10/06/2010CN101854443A Network voice device and method thereof for preventing producing noises
10/06/2010CN101854442A Network device and firmware updating method thereof
10/06/2010CN101854440A Multimedia ring-tone uploading method, multimedia ring-tone server and UE
10/06/2010CN101854372A Method and device for controlling session media type during click to call
10/06/2010CN101854308A Self-adaptation realizing method of high-tone quality service network of VoIP system
10/06/2010CN101399888B Network system for processing VoIP service and information synchronization method thereof
10/05/2010US7809860 System, method and apparatus that isolate virtual private network (VPN) and best effort traffic to resist denial of service attacks
10/05/2010US7809382 Short message distribution center
10/05/2010US7809126 Proxy server for internet telephony
10/05/2010US7809125 Method and apparatus for selection of special-purpose gateways
10/05/2010US7809123 Method and system for determining independent authorization levels in a VPN
10/05/2010US7809076 Adaptive interference canceling system and method
10/05/2010US7808978 Voice over internet protocol (VoIP) telephone apparatus and communication system for carrying VoIP traffic
10/05/2010US7808977 Network telephony interface systems between data network telephony and plain old telephone service
10/05/2010US7808976 Voice communication system and voice communication method
10/05/2010US7808974 Method and apparatus for Voice over Internet Protocol telephony using a virtual private network
10/05/2010US7805968 System for setting up and controlling a conference circuit
10/05/2010CA2323395C Storing information about a telephony session
09/2010
09/30/2010WO2010109161A1 Call barring in computer telephony systems
09/30/2010WO2010086195A3 Method of transmitting data in a communication system
09/29/2010EP2234407A1 Terminal-to-terminal communication connection control system for IP full service
09/29/2010EP2234381A1 A method, system and device of selecting call mediation node by soft switch device
09/29/2010EP2234380A1 Context aware call handling system
09/29/2010EP2234353A1 Gateway device, system, and communication method
09/29/2010EP2234352A1 Gateway device, system, and communication method
09/29/2010EP2232894A2 Method and apparatus for an internet protocol multimedia subsystem-based three-way call
09/29/2010EP2232816A1 Management of a communication in a heterogeneous network
09/29/2010EP1611720B1 Method, system and gateway device for enabling interworking between ip and cs networks
09/29/2010CN1859516B Method for one blue tooth terminal and multiple blue tooth gateway connecting to call and receive telephone
09/29/2010CN1678006B IP telephone and IP telephone call method
09/29/2010CN101848286A Dual-tone multi-frequency signal sending method and device
09/29/2010CN101848285A Method and device for providing IP voice exchanger service
09/29/2010CN101848258A Fixed network telephone
09/29/2010CN101448240B Registration method, system and equipment of session initiation protocol terminal
09/29/2010CN101247435B Real-time management method for data entry system
09/29/2010CN101242441B Method and device for voice caller number display service
09/29/2010CN101222652B Method for selecting call routing in full IP bearing telecommunication network
09/29/2010CN101222553B Video adapting method and system based on soft queuing
09/29/2010CN101217698B A method for realizing CRBT and/or color image service
09/29/2010CN101170829B A soft switching system and method for call limit based on black and white list
09/29/2010CN101163176B Method of implementing call-out type VOIP service backup
09/29/2010CN101102582B Remote information processing terminal
09/29/2010CN101068290B Realizing method for media gateway control protocol supporting incoming call blocking function
09/29/2010CN101052078B Telephone communication system and method over local area network wiring
09/29/2010CN101039360B Digital-image mapping generating method, digital-image sending system and method
09/28/2010US7805310 Apparatus and methods for implementing voice enabling applications in a converged voice and data network environment
09/28/2010US7804952 Prioritized call load balancing
09/28/2010US7804949 Client-based integration of PBX and messaging systems
09/28/2010US7804948 System and method for initiating a conference call
09/28/2010US7804849 System and method for controlling communication in a multi-network environment
09/28/2010US7804821 Circuit switched cellular network to internet calling with internet antennas
09/28/2010US7804816 Method and apparatus for accessing communication data relevant to a target entity identified by a number string
09/28/2010US7804815 System and apparatus for telecommunication
09/28/2010US7804789 Methods, systems, and computer program products for organizing, managing, and selectively distributing routing information in a signaling message routing node
09/23/2010WO2010107346A1 Access node comprising voip cards with common ip/mac addresses
09/23/2010WO2010107061A1 Optical transmission device, and method and program for restricting operating wavelength number
09/23/2010US20100242086 System and method for handling data transfers
09/22/2010EP2229778A2 Device and method for optimizing access to contents by users
09/22/2010CN101841924A Method for realizing simultaneous talking among multiple Bluetooth terminals in VOIP (Voice over Internet Protocol)
09/22/2010CN101841611A Facsimile method based on voice over internet protocol (VOIP) and system thereof
09/22/2010CN101841610A Telephone system based on bluetooth AP link
09/22/2010CN101841519A Multimedia communication session coordination across heterogeneous transport networks
09/21/2010US7801294 System and method for resuming automatic advance calling to contacts
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