Patents
Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777)
01/2007
01/09/2007CA2265965C Concentrator for speech telephones and method of communication over lan using same
01/09/2007CA2246981C Telephone communications network with enhanced signaling and call routing
01/04/2007WO2007002772A1 Apparatus and methods for addressable communication using voice-grade radios
01/04/2007WO2007001850A1 Network emergency call taking system and method
01/04/2007WO2006111848A3 Method and system for supporting special call services in a data network
01/04/2007US20070005724 Communication control device and method
01/04/2007US20070005720 Method for establishing a communication connection in a direct communication network
01/04/2007US20070003049 Call blocking based on the network access type for the called party
01/04/2007US20070003048 Methods, systems, and computer program products for processing a nature of address indicator and/or calling party number to support telecommunication features
01/04/2007US20070001007 Modular, Portable Data Processing Terminal for Use in a Radio Frequency Communication Network
01/03/2007EP1739941A1 A method and apparatus for routing signalling messages between an IP and an SS7 network
01/03/2007EP1738590A1 Call management service
01/03/2007EP1738557A1 Modification of click-to-dial initiated calls prior to the calling party going off-hook
01/03/2007EP1738554A1 Providing information relating to a telephone call
01/03/2007EP1579663A4 A system and method for efficient call management for directory assistance services
01/03/2007EP1327323B1 Method and device for monitoring quality of service in packet based networks
01/03/2007EP0985301B1 E-mail server of a provider of e-mail services
01/03/2007CN1889700A Content transmitting method in media gate control protocol calling
01/03/2007CN1889613A Calling control method and speech gate based on speech Internet protocol
01/03/2007CN1889612A Calling number unavailable information transmitting method under soft exchange constitution
01/03/2007CN1889611A Real-time speech communicating method and real-time speech communicating system
01/03/2007CN1889610A Large-capacity distributing signalling processing equipment and method thereof
01/03/2007CN1889515A Method for realizing recording pause function via H.248 protocol
01/03/2007CN1889444A Multi-network fusing interdynamic system
01/03/2007CN1293740C Video messaging
01/02/2007US7159043 Method and system for coordinating data and voice communications via contact channel changing system
01/02/2007US7158779 Sequential multimodal input
01/02/2007US7158630 Do-not-call compliance management for predictive dialer call centers
01/02/2007US7158627 Method and system for inhibiting softswitch overload
01/02/2007US7158620 Telecommunications system for minimizing fees paid to telecommunications service providers by selecting the optimum provider for each telephone call from a group of available providers based upon tracked measurements of different sets of conditions determining providers' fees
01/02/2007US7158619 Remote call monitoring
01/02/2007US7158508 Setting up calls over circuit and packet-switched resources on a network
01/02/2007US7158507 Call setup method
01/02/2007US7158506 Data manager for wireless communication devices and method of managing data in a wireless device
01/02/2007US7158487 Multimedia terminal for telephony allowing multipoint connections
01/02/2007CA2260254C Call waiting service in a telecommunications network
01/02/2007CA2253528C Telephoning method comprising novel subscriber service
12/2006
12/28/2006WO2006136900A1 Method and apparatus for non-intrusive single-ended voice quality assessment in voip
12/28/2006US20060291643 Dial plan generator
12/27/2006EP1737252A1 Virtual private telephony network
12/27/2006EP1737186A1 Gateway between a push-to-talk network and a second telecommunication network like the Internet
12/27/2006CN2852571Y 网络电话交换器 VoIP Switch
12/27/2006CN1886999A Method and communication system for automatically discovering the multimedia service capability
12/27/2006CN1886998A Method and communication system for automatically discovering the common multimedia service capability
12/27/2006CN1886974A Security module for encrypting a telephone conversation
12/27/2006CN1885879A Method for preventing VOIP system bandwidth overload
12/26/2006US7155528 Simple supplementary service protocol for H.323 systems
12/26/2006US7155520 Speech communication service providing system
12/26/2006US7155173 Method and system for providing a context for message compression
12/26/2006US7155003 Networks, systems and methods for routing data traffic within a telephone network based on available resources
12/26/2006US7155002 Call-to-make reminder system
12/26/2006US7155001 System and method for restricting and monitoring telephone calls
12/26/2006US7154894 ATM cell service apparatus accomodating an ATM cell in an optical asynchronous communications network through a North America asynchronous communications network
12/26/2006US7154883 Internet telephone system
12/26/2006US7154881 Method and apparatus for telecommunications using internet protocol
12/26/2006US7154880 Non-server type voice packet communication device and method
12/26/2006US7154863 Apparatus and method for computer telephone integration in packet switched telephone networks
12/26/2006US7154855 Method and system for determining dropped frame rates over a packet switched transport
12/21/2006WO2006108795B1 Method and apparatus for multimodal voice and web services
12/21/2006WO2005022743A3 Xdls system with improved impedance circuitry
12/21/2006US20060286936 Method for trasmitting data between an emitter and a receiver which are interconnected by means of an intermidiate device
12/21/2006US20060285676 System and method for blocking a telephone call
12/21/2006US20060285674 Method of establishing communications between selected user terminals, using dedicated communication equipments
12/21/2006US20060285546 Method and Apparatus for Providing Voice Signals To and From a Telecommunications Switch
12/20/2006EP1733576A1 System and method for routing a telephone call either through a telephone network or through an ip based network to a subscriber
12/20/2006CN1883187A Audio communication system and server apparatus
12/20/2006CN1883181A Method and system for filtering multimedia traffic based on IP address bindings
12/20/2006CN1882192A Method and system for transmitting ISDN call signalling
12/20/2006CN1882176A Nomadism switching process and apparatus
12/20/2006CN1882024A Apparatus and system for integrating telecommunications networks
12/20/2006CN1882023A Realization method for providing multi-rate data information loading service
12/20/2006CN1882022A NGN network system and call information transmitting method
12/20/2006CN1882016A System and method for providing characteristic customization of a communications device based on an active communications session
12/19/2006US7151923 Systems for providing message waiting notification updates in a cellular communication network
12/19/2006US7151822 Method and system for releasing a voice response unit from a protocol session
12/19/2006US7151753 System and method for establishing a conference call
12/14/2006WO2006133165A2 Pstn signalling at a media gateway for a packet-based network
12/14/2006WO2006116396A3 Voice over internet protocol system and method for processing of telephonic voice over a data network
12/14/2006US20060280313 Method and device for quality evaluation of an audio signal and device and method for obtaining a quality evaluation result
12/14/2006CA2610748A1 Publicly-switched telephone network signaling at a media gateway for a packet-based network
12/13/2006EP1730944A2 Method and apparatus to allow customers to initiate call center contact
12/13/2006EP1730942A2 SOLUTIONS FOR VOICE OVER INTERNET PROTOCOL (VoIP) 911 LOCATION SERVICES
12/13/2006EP1730941A1 Method and apparatus for subscriber control of an inbound call
12/13/2006EP1730939A2 Virtual call center
12/13/2006EP1730924A1 Method and device for packet-based control of a standard interface
12/13/2006EP1730883A2 Integrated cellular voip for call rerouting
12/13/2006EP1730650A2 Predictive communication routing scheme using instant messaging preferences and/or settings for routing packet traffic for voice, video or other multimedia communications
12/13/2006EP1676431A4 Methods and systems for providing lawful intercept of a media stream in a media gateway
12/13/2006EP1238510B1 Data call routing on ip connections
12/13/2006EP1180296B1 Telephony and data network services at a telephone
12/13/2006EP1034651B1 Systems and methods for managing messages
12/13/2006CN1878332A Tandem system and method for calling route in tandem system
12/13/2006CN1878195A Universal relay detection method and system
12/13/2006CN1878193A Long distance calling method between bureaus
12/13/2006CN1290350C Method of registering mobile IP for mobile node (MN), system and packet data service node
12/12/2006US7149506 Portable call management system
12/12/2006US7149301 Repeating device, telephone set, and recording medium
12/12/2006US7149299 System and method for call completion on busy subscribers
12/12/2006US7149297 Networkwide desk sharing with automatic device relocation
12/12/2006US7149288 Rules based real-time communication system