Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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07/01/2010 | CA2748403A1 Methods and communications node for routing communications using a bi-level addressing scheme |
06/30/2010 | EP2203026A1 Unity number service call processing method, system and device |
06/30/2010 | EP1665560B1 Multiple imsi multiple/single msisdn (mimm/mism) on multiple sims for a single operator |
06/30/2010 | CN1855901B Gatekeeper apparatus |
06/30/2010 | CN101766014A Automated distortion detection for voice communication systems |
06/30/2010 | CN101765219A Multichannel communication service system |
06/30/2010 | CN101765103A Mobile telecommunication number portability system based on signaling relay technology |
06/30/2010 | CN101764899A Method for realizing call authentication gateway |
06/30/2010 | CN101764898A Shortcut dialling method, client and system |
06/30/2010 | CN101764897A 无线网络电话交换装置及电话通讯方法 Apparatus and method for a wireless telephone communication network telephone exchange |
06/30/2010 | CN101764892A System for detection and interception of harassing call |
06/30/2010 | CN101764690A Internet-based secret information communicating method |
06/29/2010 | US7747002 Method and system for stereo echo cancellation for VoIP communication systems |
06/29/2010 | US7746905 Private telephone network connected to more than one public network |
06/29/2010 | US7746845 Support for fax and modem in SIP/SIP-T networks and the interworking of these networks with ISUP+/BICC |
06/29/2010 | US7746844 Method and apparatus for analysis of VoIP network performance |
06/29/2010 | US7746797 Non-intrusive monitoring of quality levels for voice communications over a packet-based network |
06/24/2010 | US20100157992 Data sin/data source, data transmission device and data terminal device for a circuit-switched and packet-switched network |
06/24/2010 | US20100157983 System and Method for Providing Alternate Routing in a Network |
06/24/2010 | US20100157979 System and Methods for Improving Interaction Routing Performance |
06/24/2010 | US20100157852 Systems and methods for multiple mode voice and data communications using intelligenty bridged TDM and packet buses and methods for performing telephony and data functions using the same |
06/24/2010 | DE19832433B4 Einrichtung zum Erstellen und Aufrufen von Benutzerprofilen in einem Nachrichtensystem Means for creating and invoking user profiles in a communication system |
06/23/2010 | EP2200378A1 Telecommunication network node and method for its operation |
06/23/2010 | EP2200262A2 Auto block and auto discovery in a distributed communication |
06/23/2010 | EP1700499B1 Method and communication system for automatically discovering the multmedia service capability |
06/23/2010 | EP1506657B1 Dynamic call control |
06/23/2010 | CN201515424U Embedded phone system playing voice according to keystroke |
06/23/2010 | CN1917539B Method and system of realizing intercomminication between networks from different operational managers |
06/23/2010 | CN1823519B Peer-to-peer telephone system and method thereof |
06/23/2010 | CN1596535B Information communication system, information communication device and information communication method |
06/23/2010 | CN1361994B Capability negotiation system, apparatus and method in a telecommunications network |
06/23/2010 | CN101755445A Using PSTN reachability to verify VolP call routing information |
06/23/2010 | CN101753741A IPPBX integrated with 2G, PSTN and VOIP accesses |
06/23/2010 | CN101753740A Communication method and gateway equipment based on SIP telephone |
06/23/2010 | CN101753739A Implementation method for non-local sound reproduction of terminal under NAT |
06/23/2010 | CN101753738A Communication method for connection with a communication application service and a related gateway thereof |
06/23/2010 | CN101753737A Network telephone switch and voice gateway switch |
06/23/2010 | CN101753735A Method, system and equipment for performing multimedia service processing on call |
06/23/2010 | CN101753631A Communication method, network address acquisition method and network apparatus |
06/23/2010 | CN101753587A Method for realizing traffic control |
06/23/2010 | CN101753379A System and method for fast detection of communication path failures |
06/23/2010 | CN101753326A Interconnection selection function module for methods of business interconnection and session channel establishment and device |
06/23/2010 | CN101753325A Network voice communication system and method thereof |
06/23/2010 | CN101753179A VoIP-PSTN hybrid intelligent terminal based on Bluetooth and working method thereof |
06/23/2010 | CN101064868B Voice calling method used for patients |
06/22/2010 | US7743149 SIP messages carrying executable computer software code |
06/22/2010 | US7742916 Method and devices for evaluating transmission times and for processing a voice signal received in a terminal connected to a packet network |
06/22/2010 | US7742768 Extension of a local area phone system to a wide area network |
06/22/2010 | US7742588 Speakerphone establishing and using a second connection of graphics information |
06/22/2010 | US7742462 CD-ROM on which a program for functioning as an IP telephone terminal is recorded, management server, operation server, and IP telephone terminal setup method |
06/22/2010 | US7742460 Method for detecting calls and corresponding units |
06/22/2010 | CA2472571C Communication network |
06/17/2010 | WO2010068512A1 Traffic allocation |
06/17/2010 | WO2010066998A2 Method for activating client software in an instant messaging system |
06/17/2010 | WO2010066890A1 Grouping of circuits |
06/17/2010 | US20100150335 Call routing |
06/17/2010 | US20100150142 Telephone Service Via Packet-Switched Networking |
06/16/2010 | EP2197191A1 Directory delivery system and method for a digital subscriber line modem |
06/16/2010 | EP2196903A2 System, device and method for managing interactive content on a computing device |
06/16/2010 | EP2196066A1 Dynamic transcoder placement |
06/16/2010 | EP1495603B1 Call completion via instant communications client |
06/16/2010 | EP1457063B1 Combining narrowband applications with broadband transport |
06/16/2010 | CN1997081B Wireless terminal access method based on the bluetooth interface and its device |
06/16/2010 | CN1965564B Method for remote service forwarding between dissimilar systems with operator, service and location portability |
06/16/2010 | CN1960417B IP network and communication method |
06/16/2010 | CN1625879B Address hopping of packet-based communications |
06/16/2010 | CN1534972B Fast netowrk STD/SDP procedure used for conference junction according to user's inquiry for optimizing netowrk resource |
06/16/2010 | CN101742012A Method and equipment for dynamically selecting service carrying networks to improve speech quality |
06/16/2010 | CN101742011A Lawful interception method for internetwork telephone domain and system thereof |
06/16/2010 | CN101742010A Method and device for network extension to dial traditional extension and computer program product thereof |
06/16/2010 | CN101742009A Method, system and device for session association |
06/16/2010 | CN101742008A Media stream proxy method, voice exchanger and communication system |
06/16/2010 | CN101741995A Method, system and device for service filter |
06/16/2010 | CN101741994A Call recording method and communication system |
06/16/2010 | CN101741993A Method, equipment and system for carrying data service of point of sale (POS)terminal by IP network |
06/16/2010 | CN101741990A Call relay system, call relay device, call relay method and program |
06/16/2010 | CN101741711A Fabric switch card independent from MCH and Micro Telecommunications Computing Architecture system |
06/16/2010 | CN101741639A Method and device for realizing signaling monitoring, and signaling gateway |
06/16/2010 | CN101141507B Power-off escape method and apparatus |
06/16/2010 | CN101136972B Method for processing unknown error message of destination state |
06/16/2010 | CN101132450B Multifunctional voice plate card |
06/16/2010 | CN101127776B System, method and device for multimedia information collection, management and service |
06/15/2010 | US7739730 Mechanism for automatically configuring integrated access device for use in voice over digital subscriber line circuit |
06/15/2010 | US7738886 Wireless digital personal communications system having voice/data/image two-way calling and intercel hand-off |
06/15/2010 | US7738653 Method for selecting impedance setting for loop start trunk line |
06/15/2010 | US7738649 Computer system using identification information and control method thereof |
06/15/2010 | US7738648 Methods, systems and computer program products for rerouting specific services traffic from a signaling message routing node |
06/15/2010 | US7738647 Local routing management in a telecommunications network |
06/15/2010 | US7738646 Method and system for monitoring and managing multi-sourced call centers |
06/15/2010 | US7738642 Reverse charging system, reverse-charging service control apparatus, call agent and reverse charging method |
06/15/2010 | US7738453 Telephone system having multiple sources and accessories therefor |
06/15/2010 | US7738449 Method and apparatus for providing voice signals to and from a telecommunications switch |
06/15/2010 | US7738447 Voice communication system and voice communication method |
06/10/2010 | WO2010065093A1 Loop condition prevention at internetwork interface boundary |
06/10/2010 | US20100142697 Method of conditionally routing a call made to a fixed telephone number |
06/10/2010 | US20100142693 Method and System for Providing Calling Number Restoral |
06/10/2010 | US20100142519 Method and system for an ethernet ip telephone chip |
06/10/2010 | US20100142518 Hierarchical Data Collection Network Supporting Packetized Voice Communications Among Wireless Terminals and Telephones |
06/10/2010 | US20100142503 Hierarchical Data Collection Network Supporting Packetized Voice Communications Among Wireless Terminals And Telephones |
06/09/2010 | EP2194700A2 Telephone call processing |