Patents
Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777)
01/2004
01/21/2004CN1135819C Subscriber matched circuit for electronic exchanger
01/21/2004CN1135812C Apparatus and method for compensating signal attenuation on telehpone line
01/21/2004CN1135791C Device and method in assemblied localnetwork telephone/private branch exchanger system
01/21/2004CN1135789C Method and system for telecommunication resources negotiation
01/21/2004CN1135783C User registration in a telecommunication network
01/20/2004US6681252 System and method for interconnecting portable information devices through a network based telecommunication system
01/20/2004US6681008 Automated toll-free telecommunications information service and apparatus
01/20/2004US6681001 Computer integrated telecommunications systems and methods
01/20/2004US6681000 Signal converter server network information system control methods thereof and telephone terminal
01/20/2004US6680952 Method and apparatus for backhaul of telecommunications signaling protocols over packet-switching networks
01/20/2004US6680935 Anonymous call rejection
01/15/2004WO2004006616A2 Methods and apparatus for data communication
01/15/2004WO2004006598A1 Avoidance of an invalid functioning of a media gateway controller or a media gateway
01/15/2004WO2004006597A1 Avoidance of transcoding or interruption on live load coding exchange in extant connections
01/15/2004WO2004006553A1 Central exchange for an ip monitoring
01/15/2004WO2004006552A1 Mobile telephone system using local communication network
01/15/2004WO2004006530A1 Network comprising search functions that are integrated into communication components
01/15/2004WO2004006529A1 Communication network comprising communication components having client and server functionalities and search functions
01/15/2004WO2004006507A2 Configuration of a broadband cable network-based telephony access network and a respective packet-based exchange
01/15/2004WO2004006504A1 Testing of transmission quality in packet-based networks
01/15/2004WO2004006475A2 Managing a packet switched conference call
01/15/2004WO2004006462A1 Runtime-dependent switching off of the echo compensation in packet networks
01/15/2004WO2003083759A3 System and method for conducting multiple communications with a party
01/15/2004US20040010582 Predictive provisioning of media resources
01/15/2004US20040008837 Combining multimedia services with traditional telephony services in a public branch exchange
01/15/2004US20040008735 System for common channel communication using a packet switched network
01/15/2004US20040008734 Method for common channel communication using a packet switched network
01/15/2004US20040008710 Communicaton system, method and cotroller for routing calls within private networks distributed among geographically distant zones
01/15/2004US20040008670 System for interconnecting packet-switched and circuit-switched voice communications
01/15/2004US20040008665 Providing end-user communication services over peer-to-peer internet protocol connections between service providers
01/15/2004US20040008621 System and method for providing advanced calling features to a packet network-based communication device and packet network employing the same
01/15/2004DE20317501U1 Integrated communication apparatus providing universal voice message transmission and reception for different types of telephone
01/15/2004DE10162986B4 Anbindung von Netzwerken mit unterschiedlichen Protokollen Connectivity of networks using different protocols
01/14/2004EP1381236A2 Multimedia communications via public telephone networks
01/14/2004EP1381212A1 Method for displaying information on the display of a wired telephone
01/14/2004EP1381211A2 Queueing of calls and virtual interaction with caller using Internet protocols
01/14/2004EP1380166A1 An alternative network service for video conferencing applications
01/14/2004EP1380143A2 Method for establishing communication paths between access points of a communication system and a communication system using said method
01/14/2004CN1468490A Calling equipment adapter and line connecting method and line connecting program and recording media
01/14/2004CN1467962A Voice packet preferential control equipment and control method thereof
01/14/2004CN1135015C Mobile management system and method for internet telephone call to mobile terminal
01/14/2004CN1134963C Telephone doubler arrangement and method for implementing the same
01/14/2004CN1134944C System and method for providing mobile switching and multiparty service over packet-switched network
01/13/2004US6678659 System and method of voice information dissemination over a network using semantic representation
01/13/2004US6678374 Tone based answer detection for IP based telephones
01/13/2004US6678357 Internet protocol (IP) emergency connections (ITEC) telephony
01/13/2004US6678266 ACD with packet data based agent interconnect
01/13/2004US6678242 Signaling system for telecommunications
01/13/2004CA2283523C Methods and systems for absent addressing service
01/08/2004WO2003100993A3 Integrated access device
01/08/2004WO2003088507A3 Methods and systems for intelligent signaling router-based surveillance
01/08/2004WO2003065706A3 Multipoint audiovisual conferencing system
01/08/2004US20040006648 Card type network interface, network conference terminal device and network conference system
01/08/2004US20040004957 Methods and apparatus for data communication
01/08/2004DE10223980A1 Verfahren zur Leitweglenkung von Kommunikationsverbindungen A method of routing of communication links
01/07/2004EP1379050A2 Server mediated point-to-point communication over a computer network
01/07/2004EP1379039A2 Point-to-point communication using e-mail to establish dynamic network addresses
01/07/2004EP1378815A2 Multi-level radio-frequency communication system
01/07/2004EP1378112A2 System and method for performing ip telephony
01/07/2004EP1378108A2 Method for carrying out monitoring measures and information searches in telecommunication and data networks with, for instance, internet protocol (ip)
01/07/2004EP1378101A2 Voip terminal security module, sip stack with security manager, system and security methods
01/07/2004CN1134141C Telecommunications switch including integrated internet access
01/06/2004US6675340 Forward error correction (FEC) for packetized data networks
01/06/2004US6674853 Integration of remote access and service
01/06/2004US6674761 Method for controlling multi-channel voice data of gateway system and apparatus thereof
01/06/2004US6674759 System for managing telecommunications
01/06/2004US6674749 Bandwidth transfer switching system
01/06/2004US6674746 Method and apparatus for voice over internet protocol swapping in a communications system
01/06/2004US6674745 Method and system for mapping phone numbers to IP addresses
01/06/2004US6674725 Method and system for dynamic service classification and integrated service control
01/06/2004US6674713 Method and apparatus for providing continuous voice and call communications between a data network and a telephony network
01/06/2004CA2133426C Automated telecommunication peripheral system
01/02/2004EP1377005A1 Collaboration using instant messaging in multimedia telephony-over-LAN conferences
01/02/2004EP1377004A1 Method for establishing a conference circuit between several subscriber terminals of a communications network
01/02/2004EP1377001A2 Apparatus and methods enhancing call routing to and within call-centers
01/02/2004EP1374549A1 Caller treatment in a sip network
01/02/2004EP1374545A1 Voip systems
01/02/2004EP1374544A2 A component for processing ip telephony calls
01/02/2004EP1374509A1 Shared dedicated access line (dal) gateway routing discrimination
01/02/2004EP1374508A1 Recursive query for communications network data
01/02/2004EP1374507A1 Selective feature blocking in a communications network
01/02/2004EP1374071A1 A method for recording events in an ip network
01/02/2004EP1374057A1 SYSTEM, METHOD AND APPARATUS THAT EMPLOY VIRTUAL PRIVATE NETWORKS TO RESIST IP QoS DENIAL OF SERVICE ATTACKS
01/02/2004EP1373912A1 Communications system with fraud monitoring
01/02/2004EP1373911A1 Pots extender for voice fallback in a subscriber line field of the invention
01/01/2004US20040003089 Method for maintaining communication between communication devices having inconsistent protocols
01/01/2004US20040003048 Outbound notification using customer profile information
01/01/2004US20040003041 Messaging response system
01/01/2004US20040002864 Method for controlling bandwidth in a voice over internet protocol system
01/01/2004US20040001582 Redirection of communication based on a party's presence
01/01/2004US20040001482 Method for sending dual-tone multi-frequency signal using voice over internet protocol
12/2003
12/31/2003WO2004002173A1 Fail-safe interfacing of a network element with a communication network
12/31/2003WO2004002153A1 Ancillary information transmission while user is on hold during a telecommunications device teleconference
12/31/2003WO2004002116A2 Method and apparatus for communicating with one of plural devices associated with a single telephone number during a disaster and disaster recovery
12/31/2003WO2004002067A2 Method and device for establishing a communication between a calling computer terminal and a called computer terminal
12/31/2003WO2004002043A2 Methods and systems for improving trunk utilization for calls to ported numbers
12/31/2003WO2003088628A3 Method and apparatus for transmitting signaling tones over a packet switched network
12/31/2003WO2002074053A3 Systems and methods for interfacing with a billing and account management unit
12/31/2003WO2002063413A3 Method and system for providing service
12/31/2003CN1465199A Method and apparatus for transmitting, receiving, and executing application query messages via an internet protocol transport