Patents
Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777)
01/2011
01/12/2011CN101945187A Method and system for bonding fixed-line extension telephones and mobile terminals
01/12/2011CN101945186A Communication terminal signaling box for tri-networks integration system
01/12/2011CN101945113A Method and system for routing a SIP call in a network environment including an ip multimedia subsystem IMS
01/12/2011CN101945085A Detection method and device of soft-switch server based on session initial protocol
01/12/2011CN101945006A Detection method of abnormal call
01/12/2011CN101132448B Overload call limiting method
01/11/2011US7870262 Method and element for service control
01/11/2011US7869425 System and method for providing requested quality of service in a hybrid network
01/11/2011CA2452987C Telephone outlet with packet telephony adapter, and a network using same
01/06/2011WO2011000303A1 Caller and called service server, multi-service access network device and method for implementing caller and called-control
01/06/2011US20110003575 Method and system for routing special number calls using a common telecommunication network
01/06/2011US20110002453 Method and system for connecting a telephone call to a third party
01/05/2011EP2271066A1 Method, device and system for processing voice service
01/05/2011EP2271052A1 Apparatus and method for converting control information
01/05/2011EP2270669A1 Message storage and delivery system
01/05/2011EP2270668A1 Message storage and delivery system
01/05/2011CN201699799U Data acquisition unit based on telephone network
01/05/2011CN201699798U Voice control processor
01/05/2011CN201699797U Enterprise communication system combining VOIP with instant messaging
01/05/2011CN201698329U 电脑终端 Computer terminals
01/05/2011CN101939969A System, apparatus and method for updating GSM to IMS communication services
01/05/2011CN101938584A Internetwork network equipment and internetwork communication method
01/05/2011CN101938583A Method for filtering abnormal call based on multiple lists
01/05/2011CN101938582A Digital audio monitor, monitoring method and monitoring system
01/05/2011CN101938581A Communication apparatus
01/05/2011CN101938574A Method and system for transmitting coloring ring back tone information in packet switching domain, coloring ring back tone server and terminal
01/05/2011CN101938496A Call control method, device and system for attendant console
01/05/2011CN101938402A Distributed virtual PSTN (Public Switched Telephone Network) switching method based on P2P (Peer-to-Peer) route
01/05/2011CN101448050B Firmware update device of ATCA system and method thereof
01/05/2011CN101262528B A multi-gateway backup method for voice access of network call
01/05/2011CN101227536B System and method of dynamic networking lawful monitoring
01/04/2011US7864943 Methods and systems for load sharing and preserving sequencing of signaling connection control part (SCCP) messages
01/04/2011US7864942 System and method for routing calls
01/04/2011US7864926 System and method for conducting variable voice path assurance tests
01/04/2011US7864756 Systems and methods for providing a network conversion interface
01/04/2011US7864749 Method for the statistical estimation of the traffic dispersion in telecommunication network
12/2010
12/30/2010US20100333156 Interactive internet browser based media broadcast
12/30/2010US20100329443 System and Method for Providing Mobile Based Services for Hotel PBX
12/30/2010US20100329240 Method for dialing between internet extensions
12/30/2010US20100329166 System and method for controlling communication in a multi-network environment
12/30/2010US20100329152 Methods, systems, and computer program products for organizing, managing, and selectively distributing routing information in a signaling message routing node
12/29/2010WO2010149099A1 Method and device for realizing monitoring signaling and signaling gateway thereof
12/29/2010EP2267992A1 Multimedia call signalling system and method
12/29/2010EP2266305A1 Dtmf tone monitoring apparatus and method of identifying a dtmf tone
12/29/2010EP2266269A1 System and method for processing telephony sessions
12/29/2010EP1938625B1 Method for the transmission of signalling data in a network interface unit and in a control unit
12/29/2010CN201690469U Gateway of telephone communication system based on Ethernet
12/29/2010CN201690468U Fixed network service access device
12/29/2010CN1602619B Apparatus and method for computer controlled call processing applications in packet switched telephone networks
12/29/2010CN101931717A Network voice device and method thereof for regulating pause time
12/29/2010CN101931716A Modem and method for processing talking packet
12/29/2010CN101931542A Method, server and user equipment for maintaining continuous session
12/29/2010CN101488852B IP voice concealed communication method based on m sequence
12/29/2010CN101478391B IP voice hidden communication method based on stream encryption
12/29/2010CN101335793B Transmission format set reduction method based on network bearing voice service
12/29/2010CN101257419B Wireless VOIP voice frame combining method as well as radio device
12/29/2010CN101222379B Rubbish voice information monitoring method and device
12/28/2010US7861000 Dial-out link selection via static route redistribution
12/28/2010US7860232 Method and system for migrating a telephone service from a first local exchange carrier to a second local exchange carrier
12/28/2010US7860231 Porting a directory number for a duration of time
12/28/2010US7860114 Method and system for dynamic gateway selection in an IP telephony network
12/28/2010US7860068 Intelligent delivery agent for short message distribution center
12/23/2010WO2010145354A1 Method and device for triggering nested service
12/23/2010US20100322405 Integrated disparate intelligent peripherals
12/23/2010US20100322404 Cross channel identification in electronic commerce environments
12/23/2010US20100322388 Call management
12/22/2010EP1962436B9 Electricity echo elimination device and method
12/22/2010EP1514401B8 Method and system for implementing a telephony services using voice xml
12/22/2010CN201682548U Communication device based on group telephone and network voice technology
12/22/2010CN1894936B Back up of network devices
12/22/2010CN101924845A Voiceprint recognition technology-based familiarity telephone system and familiarity telephone communication method
12/22/2010CN101924838A Dial-back application method, device and mobile terminal applied to mobile terminal address book
12/22/2010CN101924683A Method, device and electronic equipment for dynamically adjusting jitter buffer
12/22/2010CN101923856A Audio identification training processing and controlling method and device
12/22/2010CN101179535B Dual-tone multi-frequency signal processing method and system
12/21/2010US7856094 Methods, systems, and computer program products for providing telecommunications services between a session initiation protocol (SIP) network and a signaling system 7 (SS7) network
12/21/2010US7856091 Telephone system responsive to call control protocol
12/21/2010US7855965 Packet network telecommunication system
12/21/2010CA2473147C Method and system for conducting conference calls with optional voice to text translation
12/21/2010CA2388848C System and method for voice transmission over network protocols
12/16/2010US20100316211 Private branch exchange communications device
12/16/2010US20100316201 Private branch exchange systems and methods
12/16/2010US20100316046 Method for performing gate coordination on a per-call basis
12/15/2010EP2262291A1 Cross-network call holding method and apparatus
12/15/2010EP2262215A2 Gateway as interface for communications networks
12/15/2010EP2262197A1 Service parameter interworking method
12/15/2010EP2260642A1 Call setup from a circuit switched network to a terminal residing within a packet switched network
12/15/2010CN201674563U Linker mobile call platform
12/15/2010CN201674540U Communication energy-saving device
12/15/2010CN201673431U Tablet computer with DECT telephone function
12/15/2010CN1870702B Method and system for controlling connecting
12/15/2010CN101917745A Capability negotiation system, apparatus and method in a telecommunications network
12/15/2010CN101917674A Method and device for transmitting information in call
12/15/2010CN101917526A Method and equipment for number collocation in SIP (Session Initiation Protocol) telephone network
12/15/2010CN101917523A Method and device for tracing voice signaling
12/15/2010CN101917435A Method and system for implementing VOIP user authentication
12/15/2010CN101453528B System and method for implementing call authentication gateway
12/15/2010CN101404703B Voice gateway and method for implementing voice gateway telemanagement
12/15/2010CN101202797B CS field / IMS voice FMC operational scheme
12/15/2010CN101184084B Method of implementing service control using user name system based requirement description language
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