Patents
Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777)
12/2006
12/12/2006US7149208 Method and apparatus for providing caller identification based responses in a computer telephony environment
12/12/2006US7149194 Telephone systems
12/12/2006CA2418852C Call hold signaling
12/12/2006CA2262874C System and method for controlling data access in a computer network
12/12/2006CA2237520C Data communication method, data communication terminal, data communication system and communication control system
12/07/2006WO2006130414A2 Apparatus and method for providing a network termination point
12/07/2006WO2006129296A1 Method, system and circuit for suggesting alternative voip destinations to a called number
12/07/2006US20060277051 Method and devices for evaluating transmission times and for procesing a vioce singnal received in a terminal connected to a packet network
12/07/2006US20060274733 Screening inbound calls in a packet-based communications network
12/07/2006US20060274655 Method and apparatus for multiple media digital communication system
12/06/2006EP1729491A2 Setup of a point-to-point telephony call over a packet network
12/06/2006EP1729477A1 Method for setting up a connection via a communication device to a terminal device, terminal device and communication device to carry out said method
12/06/2006CN1875610A Method for reducing costs during the transfer of unidirectional information streams
12/06/2006CN1874557A Method and media network gateway for implementing conversation in packet-packet model
12/06/2006CN1874537A Method and equipment for implementing full distributed type management
12/06/2006CN1874532A Method of media gateway controller for controlling media gateway to play back audio
12/06/2006CN1874385A Method for controlling bandwidth of link
12/06/2006CN1874384A Method for switching services
12/06/2006CN1874383A Method for implementing pause and recovery of call
12/06/2006CN1874382A Method, system and circuit for starting substitution of traffic connection
12/06/2006CN1874345A Method for statistical parameter values of terminal reported from media gateway
12/06/2006CN1874297A Techniques for efficient control of aggregating wireless voice communications
12/05/2006US7146629 Multi-user talking system and multi-user talking method
12/05/2006US7146163 Sender-address-based telecommunications operator callback system and method
12/05/2006US7146001 Dynamic essential line service
12/05/2006US7146000 Routing engine for telecommunications network
12/05/2006US7145997 Method and system for callback in case of an emergency session
12/05/2006US7145943 XDSL system with improved impedance circuitry
12/05/2006US7145902 Method for transmitting data in a telecommunications network and switch for implementing said method
12/05/2006US7145901 Method of requesting security and release of communication band
12/05/2006US7145900 Packet-switched telephony call server
12/05/2006US7145884 Speaker tracking on a single core in a packet based conferencing system
11/2006
11/30/2006WO2006126964A2 Enhanced voip media flow quality by adapting speech encoding based on selected modulation and coding scheme (mcs)
11/30/2006WO2006126957A2 Connection type handover of voice over internet protocol call based on resource type
11/30/2006WO2006126923A1 Local switching in radio access networks
11/30/2006WO2006125743A1 Routing based upon origin of a call
11/30/2006WO2006060394A3 Ss7 telecommunications node and method for synthetic global title translation
11/30/2006US20060271808 Method for processing a connection-mode ip connection according to non-availability situations
11/30/2006US20060270404 Method and element for service control
11/30/2006US20060268826 Communication path setting method and communication path setting system
11/30/2006US20060268750 Methods and system for instant voice messaging and instant voice message retrieval
11/30/2006DE10040461B4 Vermittlungssteuerung in einem privaten Netz mit Telekommunikationsanlagen Switching control in a private network with telecommunications systems
11/29/2006EP1726142A1 Improvements in or relating to a telecommunications network
11/29/2006EP1726128A2 Internet protocol (ip) phone with search and advertising capability
11/29/2006EP1726110A2 Broadcast signal delivery system for use with wireless technology
11/29/2006EP1025720B1 Real-time interactive directory
11/29/2006CN1871825A Managing a packet switched conference call
11/29/2006CN1870703A Calling route control method
11/29/2006CN1870702A Method and system for controlling connecting
11/29/2006CN1870700A Method for access comprehensive service digital network service stage at next generation network
11/29/2006CN1870691A Method for listening dailed signal sound at dail line terminal when network communicating
11/29/2006CN1870680A Communication exchange device and its operation method
11/29/2006CN1287552C Method for mapping transform types in No.7 gate signaling networks
11/28/2006US7143134 System and method for integrating electronic transcription systems
11/28/2006US7142862 Intra-service number portability in wireless network
11/28/2006US7142857 Apparatus, method and system for maintaining call control at a gateway mobile switching center utilizing a packet network
11/28/2006US7142852 Method and gateway for controlling call routing
11/28/2006US7142660 System and method for adapting remote access telephony networks to national deviations
11/28/2006US7142659 Directory assistance method and apparatus
11/28/2006US7142658 DTMF control
11/28/2006US7142657 Method and system for preventing call forward looping
11/28/2006US7142653 System and method for providing caller information across heterogeneous networks
11/28/2006US7142646 Voice mail integration with instant messenger
11/28/2006US7142640 Method and system of remotely restoring communication lines
11/28/2006US7142560 System and method for virtual multiline telephony in a home-network telephone
11/28/2006US7142535 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones
11/28/2006US7142532 System and method for improving communication between a switched network and a packet network
11/28/2006US7142531 Method and system of relaying calls with a tone provision function in the next generation mobile communication network
11/28/2006US7142506 Method and apparatus for transmitting packets
11/28/2006CA2263264C Internet-based telephone call manager
11/23/2006WO2005109844A8 Enhanced call pickup
11/23/2006WO2005070115A3 Proprietary protocol for voip based features
11/23/2006US20060264208 Telephone system based on presence and call routing method thereof
11/23/2006US20060264200 Lawful interception of multimedia calls
11/23/2006US20060262918 VPN PRI OSN independent authorization levels
11/23/2006US20060262917 Methods, systems, and computer program products for providing presence-qualified E.164 number mapping (ENUM) service in a communications network
11/23/2006US20060262775 Method for controlling highly accessible user access networks via a packet-based network service point
11/23/2006DE10394323T5 Verfahren und System zum Bereitstellen einer Expertenunterstützung mit einem Kundeninteraktionssystem Method and system for providing expert assistance with a customer interaction system
11/22/2006EP1725060A1 Wireless ip telephone unit
11/22/2006EP1723770A1 Method for establishing a call in a telecommunications network; telecommunications network; and controlling device for packet networks
11/22/2006CN1868204A Communication control device and method
11/22/2006CN1868197A Method, software product and device for signalling bearer channel modifications by means of a SIP protocol
11/22/2006CN1868164A Method and system for integration of instant messaging and PSTN based teleconferencing
11/22/2006CN1867011A Method and apparatus for transparently transmitting dual-tone multi-frequency signal under prepositioning echo canceller condition
11/22/2006CN1867010A High capacity ISDN access system and method in next generation network
11/22/2006CN1866900A Apparatus, and associated method, for providing communication access to a communication device at a network access port
11/22/2006CN1866830A Method for realizing media gateway synchronization in communication system
11/21/2006USRE39406 Telephone line coupler
11/21/2006US7140004 Method and apparatus for zero-footprint phone application development
11/21/2006US7139715 System and method for providing remote automatic speech recognition and text to speech services via a packet network
11/21/2006US7139568 Method and system for mobile number portability service
11/21/2006US7139392 Device and method for suppressing DSL signal echo induced by bridgetap
11/21/2006US7139388 Methods, systems, and computer program products for post-global-title-translation (GTT) load sharing
11/21/2006US7139387 Method and system for integrating multi services for intelligent networks
11/21/2006US7139386 Communication system and method for controlling features in a communication system
11/21/2006US7139385 Method for NPA split processing on a service control point
11/21/2006US7139384 System and method for mixed mode communications in an advanced intelligent network telephone system
11/21/2006US7139382 System and method for restricting incoming calls
11/21/2006US7139380 System and method for performing signaling-plan-specific call progress analysis
11/21/2006US7139379 Monitoring telephone conferences through a network of computer controlled display terminals, each associated with a telephone station and displaying a user-interactive monitoring page