Patents
Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777)
11/2002
11/28/2002WO2001061983A9 Voice architecture for transmission over a shared, contention based medium
11/28/2002US20020178267 Communicaton system, and connection setting method and connection setting program of exchange and terminal
11/28/2002US20020176560 Application-specific subnet for enhanced call processing
11/28/2002US20020176558 Modem and system with call waiting switching facilities and method of supporting customer access to a service provider
11/28/2002US20020176557 System and method for performing signaling-plan-specific call progress analysis
11/28/2002US20020176548 Voice mail apparatus and associated method
11/28/2002US20020176406 Method of requesting security and release of communication band
11/28/2002US20020176405 Cost control in a SIP based network
11/28/2002US20020176404 Distributed edge switching system for voice-over-packet multiservice network
11/28/2002US20020176403 Method and system for communicating voice over IP access networks
11/28/2002US20020176400 Conservation of access network bandwidth during multiuser call connections in a broadband telephony network
11/28/2002US20020176374 Voice over internet protocol gateway and a method for controllling the same
11/28/2002DE19935786C2 Verfahren und Anordnung zum Verifizieren einer Verbindung zwischen zwei Kommunikationseinrichtungen Method and arrangement for verifying a connection between two communication devices
11/28/2002CA2442554A1 Internet telephony call agent
11/27/2002EP1261190A2 Voice mail apparatus and asscociated method
11/27/2002EP1261177A2 Method and apparatus for the setting of bandwidth of a connection between at least two communication endpoints in a data network
11/27/2002EP1260103A2 Session initiation protocol based advanced intelligent network / intelligent network messaging
11/27/2002EP1260056A2 System and method for providing group communication services
11/27/2002EP1118167B1 Method and device for transmitting data over low-voltage networks
11/27/2002EP0850531B1 Web page synchronization system and method
11/27/2002CN1382348A Routing in IP network based on codec availability and subscriber preference
11/27/2002CN1382347A Network architecture and method service script execution and management
11/27/2002CN1095310C Method and apparatus for routing internet calls
11/26/2002US6487600 System and method for supporting multimedia communications upon a dynamically configured member network
11/26/2002US6487585 System and method for “Open Mike” network-based communication
11/26/2002US6487405 Communication system with multicarrier telephony transport for controlling a plurality of service units
11/26/2002US6487200 Packet telephone system
11/26/2002US6487196 System and method for simulating telephone use in a network telephone system
11/21/2002WO2002093960A1 System for two-way automated telephony contact
11/21/2002WO2002093899A1 International origination to domestic termination call blocking
11/21/2002WO2002093894A2 Service level agreements based on objective voice quality testing for voice over ip (voip) networks
11/21/2002WO2002093893A1 Handling queued sessions
11/21/2002WO2002093892A1 Method and device for multimedia communication management
11/21/2002WO2002093891A1 A method for realizing service speech dynamic load in the intelligent networks and the network configured with this method
11/21/2002WO2002093889A1 System and methods for receiving telephone calls via instant messaging
11/21/2002WO2002093886A2 Method and apparatus for automatic notification and response
11/21/2002WO2002093851A1 Scalable open-architecture telecommunications network for voice and data
11/21/2002WO2002093838A1 Method and system allowing lawful interception of connections such a voice-over-internet-protocol calls
11/21/2002WO2002093431A1 Method and apparatus for accessing targeted, personalized voice/audio web content through wireless devices
11/21/2002WO2002093397A1 System and method for coordinating a conference using a dedicated server
11/21/2002WO2002079984A8 Integration platform and provisioning server communication systems
11/21/2002WO2002058296A3 System and method for a guaranteed delay jitter bound when scheduling bandwidth grants for voice calls via a cable network
11/21/2002WO2002025915A3 Communications installation and method for operating a communications system
11/21/2002US20020174254 Card type network interface, network conference terminal device and network conference system
11/21/2002US20020174199 System and method for identifying and establishing preferred modalities or channels for communications based on participants' preferences and contexts
11/21/2002US20020174188 Method and apparatus for exchanging contact information
11/21/2002US20020174133 Method and apparatus for accessing targeted, personalized voice/audio web content through wireless devices
11/21/2002US20020173864 Automatic volume control for voice over internet
11/21/2002US20020172303 Communication device and communication method
11/21/2002US20020172229 Method and apparatus for transporting a synchronous or plesiochronous signal over a packet network
11/21/2002US20020172209 Method of controlling change-over of connection route between media gateway apparatuses, and call agent apparatus
11/21/2002DE10122422A1 Method for adjusting bandwidth in a connection between two communications terminals in a data network allocates a transmission channel to the connection for transmitting data.
11/21/2002CA2447718A1 International origination to domestic termination call blocking
11/21/2002CA2447436A1 Method and apparatus for automatic notification and response
11/21/2002CA2447319A1 System and methods for receiving telephone calls via instant messaging
11/20/2002EP1258102A2 System and method for suppressing silence in voice traffic over an asynchronous communication medium
11/20/2002EP1258101A2 Cable modem system and method for specialized data transfer
11/20/2002EP1257514A2 System and method for combining data bandwidth requests by a data provider for transmission of data over an asynchronous communication medium
11/20/2002CN1380777A Gateway system and total management method
11/20/2002CN1380776A 网关系统 Gateway System
11/20/2002CN1094683C Method for avoiding interference in cable telephone system
11/19/2002US6483912 Method for allocating network resources
11/19/2002US6483907 System and method for providing call information in real time
11/19/2002US6483900 Method and apparatus for obtaining telephone status over a network
11/19/2002US6483835 Communication system with communication route retrieval and selection function
11/19/2002CA2269584C Method and apparatus for ip network call delivery
11/19/2002CA2231230C System for managing telecommunications
11/19/2002CA2219093C Voice mail system
11/19/2002CA2197734C Voice processing system
11/14/2002WO2002091756A1 Service triggering framework
11/14/2002WO2002091725A2 Enhancement of sound quality for computer telephony systems
11/14/2002WO2002091717A1 Telecommunication network and method for transmission of caller information
11/14/2002WO2002091692A1 Ditributed edge switching system for voice-over-packet multiservice network
11/14/2002WO2002091675A2 Method and arrangement for monitoring (interception) of voice and/or data network connections independent of location by authorities (law enforcement agencies)
11/14/2002WO2002091209A2 System and method for network service provisioning
11/14/2002WO2002073892B1 System for establishing and maintaining a connection
11/14/2002WO2001044890A9 Sip-based feature control
11/14/2002WO2001028256A9 Method and apparatus for early detection of dtmf signals in voice transmissions over an ip network
11/14/2002US20020169888 Method and system for dynamic message registration by a service controller
11/14/2002US20020169887 System and method for assisting in controlling real-time transport protocol flow through multiple networks via screening
11/14/2002US20020169834 Apparatus and methods for routing electronic mail in a processing center
11/14/2002US20020169832 Network conferencing system and proceedings preparation method, and conference management server and proceedings preparation method
11/14/2002US20020169776 Network architecture and methods for service script execution and management
11/14/2002US20020168968 Method and apparatus for providing calling number identification alias in communications system
11/14/2002US20020168055 Voice enhancing for advance intelligent network services
11/14/2002US20020167949 Apparatus and method for asynchronous transfer mode (ATM) adaptive time domain duplex (ATDD) communication
11/14/2002US20020167946 Selective feature blocking in a communications network
11/14/2002US20020167943 Internet calling apparatus and method
11/14/2002US20020167940 Method and apparatus for accessing communication data relevant to a target entity identified by a number string
11/14/2002US20020167937 Embedding sample voice files in voice over IP (VOIP) gateways for voice quality measurements
11/14/2002US20020167936 Service level agreements based on objective voice quality testing for voice over IP (VOIP) networks
11/14/2002US20020167911 Method and apparatus for determining jitter buffer size in a voice over packet communications system
11/14/2002US20020167908 Method and system for dynamic service classification and integrated service control
11/14/2002DE10121496A1 Verfahren und Anordnung zur standortunabhängigen Überwachung von Sprach- und/oder Datennetzverbindungen durch Bedarfsträger Method and system for location-independent monitoring of voice and / or data network connections required by carrier
11/14/2002CA2446961A1 System and method for network service provisioning
11/14/2002CA2446403A1 Enhancement of sound quality for computer telephony systems
11/13/2002EP1257129A1 Service triggering framework
11/13/2002EP1256240A1 Method and system for interworking voice signaling messages between circuit-switched and packet-switched networks
11/13/2002EP1256229A2 Voice architecture for transmission over a shared, contention based medium
11/13/2002EP1256195A1 System and method for adjusting pcm data frames for robbed bit signaling in a telephone network