Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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02/19/2009 | WO2008121347A8 System and method for gateway call routing |
02/19/2009 | US20090046845 System, Method, and Computer-Readable Medium for By-Passing the Public Switched Telephone Network When Interconnecting an Enterprise Network and a Carrier Network |
02/19/2009 | US20090046609 Transaction control system including portable data terminal and mobile customer service station |
02/18/2009 | EP2026550A1 Incoming call routing system and method for a VoIP network |
02/18/2009 | EP1495413B1 Messaging response system |
02/18/2009 | CN201197168Y Network telephone switch |
02/18/2009 | CN101371561A Home communications server |
02/18/2009 | CN101370057A Method for sharing network resource |
02/18/2009 | CN101369880A Detection processing method and apparatus for time label jumping |
02/18/2009 | CN100463551C System and method for realizing encrypted communication in mobile communication system |
02/17/2009 | US7492887 Network group pickup |
02/17/2009 | US7492886 Method for allocating network resources |
02/17/2009 | US7492885 System and method for establishing communication services between different users |
02/17/2009 | US7492791 Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system |
02/17/2009 | US7492769 Embedding a session description message in a real-time control protocol (RTCP) message |
02/17/2009 | US7492757 Hybrid packet-switched and circuit-switched telephony system |
02/17/2009 | US7492748 System for digital radio communication between a wireless LAN and a PBX |
02/12/2009 | WO2009018779A1 Method, modem and server for bridging telephone calls into internet calls |
02/12/2009 | US20090041225 Systems, methods, and computer program products for number translation with local directory number support |
02/11/2009 | EP2021960A2 Secure mobile information management system and method |
02/11/2009 | EP1282975B1 System and method for providing telephony services |
02/11/2009 | EP1260056B1 System and method for providing group communication services |
02/11/2009 | EP1238524B1 Method for signaling an incoming call |
02/11/2009 | CN201194405Y Wireless sensor network node apparatus for speech collection and transmission |
02/11/2009 | CN101366257A Service chaining |
02/11/2009 | CN101365021A Systems and methods for connecting heterogeneous networks |
02/11/2009 | CN101365020A Method for converting phone call into internet call, modem and server |
02/11/2009 | CN101364982A Ip telephone terminal, ip telephone system and recording medium |
02/11/2009 | CN101364942A Secure call recording system for ip telephony |
02/11/2009 | CN101364854A Dropped voice packet recovery technique based on edge information |
02/11/2009 | CN101364153A Method for switching sound source by mouse device |
02/11/2009 | CN100461807C Enhanced caller id information based on access device information via a broadband access gateway |
02/11/2009 | CN100461799C Wireless network interface setting method and apparatus for network media telephone |
02/10/2009 | USRE40634 Voice interaction analysis module |
02/10/2009 | US7489771 Systems and methods for implementing call pickup in a SIP environment |
02/10/2009 | US7489679 Providing telephony services using proxies |
02/10/2009 | US7489678 Voice packet communications system with communications quality evaluation function |
02/10/2009 | US7489644 Voice architecture for transmission over a shared, contention based medium |
02/10/2009 | US7489633 Method and apparatus for differential link bring-up for MoIP on the Internet |
02/10/2009 | US7489624 Scanning by remotes in multipoint-to-point communication using orthogonal frequency division multiplexing |
02/10/2009 | US7489623 Control modulation in multipoint-to-point communication using orthogonal frequency division multiplexing |
02/05/2009 | WO2009017635A1 Call transfer with multiple application servers in session initiation protocol-based network |
02/05/2009 | WO2009015567A1 Method and system for detecting data attribute and a data attribute analyzing device |
02/05/2009 | WO2008110723A4 Method for optimising the routing of communications between a plurality of telephony domains |
02/05/2009 | US20090034710 Telephone system and exchange apparatus therefor |
02/05/2009 | US20090034700 Messaging advise in presence-aware networks |
02/05/2009 | US20090034696 Mechanism of distributing voice call using email distribution groups |
02/05/2009 | US20090034691 Method of providing 911 service to a private branch exchange |
02/05/2009 | US20090034536 Method and system for localising users for services based on sip or h.323 protocols with dynamic ip address allocation |
02/05/2009 | US20090034513 Internet based telephone line |
02/05/2009 | US20090034454 Hierarchical Data Collection Network Supporting Packetized Voice Communications Among Wireless Terminals and Telephones |
02/04/2009 | EP1438853B1 Videoconference system |
02/04/2009 | CN101360154A Telephone system and exchange apparatus therefor |
02/04/2009 | CN101360153A Interface apparatus, exchange apparatus with the apparatus, and control method for use in the apparatus |
02/04/2009 | CN101360152A Communication method providing VOIP multi-mode telephone on execution apparatus |
02/04/2009 | CN101360151A Network telephone system under general plug and use UPnP network protocol |
02/04/2009 | CN101360147A Telephone consulting agency system |
02/04/2009 | CN100459631C Method for building voice call directly via instant communication system |
02/04/2009 | CN100459620C Security module for encrypting a telephone conversation |
02/04/2009 | CN100458767C Method and apparatus for reliable and efficient content-based routing and query and response in a publish-subscribe network |
02/03/2009 | US7486786 Apparatus and method for performing impedance synthesis in a transmitter |
02/03/2009 | US7486781 Release link trunking for IP telephony |
02/03/2009 | US7486780 System and method for the creation and automatic deployment of personalized, dynamic and interactive voice services, with telephone-based service utilization and control |
02/03/2009 | US7486684 Method and apparatus for establishment and management of voice-over IP virtual private networks in IP-based communication systems |
02/03/2009 | US7486667 Method and apparatus for interfacing a public switched telephone network and an internet protocol network for multi-media communication |
02/03/2009 | US7486662 Method and system of managing connections between circuit-switched and packet-switched networks |
02/03/2009 | US7486629 System for controlling conference circuit in packet-oriented communication network |
02/03/2009 | CA2404705C Method and apparatus related to call centre templates for handling caller-identified network difficulties |
02/03/2009 | CA2389047C Broadband network with enterprise wireless communication system and method for residential and business environment |
02/03/2009 | CA2289383C A system and method for detecting an off-hook condition |
01/29/2009 | WO2009014974A1 Using pstn reachability to verify voip call routing information |
01/29/2009 | WO2009014938A1 Automated distortion detection for voice communication systems |
01/29/2009 | WO2009012807A1 Setting up a call in a telecommunications network by addressing the destination with an uri in a circuit switched call setup request message |
01/29/2009 | US20090028303 Messaging advise in presence-aware networks |
01/29/2009 | US20090028302 Voicexml and rule engine based switchboard for interactive voice response (ivr) services |
01/29/2009 | US20090028134 Management and Control of Call Center and Office Telephony Assets |
01/29/2009 | US20090028133 Method for providing hysteresis to fluctuating signaling link |
01/28/2009 | EP1730650A4 Predictive communication routing scheme using instant messaging preferences and/or settings for routing packet traffic for voice, video or other multimedia communications |
01/28/2009 | EP1348165A4 System and method for coordinating a conference using a dedicated server |
01/28/2009 | CN101355818A Transmission method, system and apparatus for internet protocol voice communication in wireless system |
01/28/2009 | CN101355615A System and method for directly pointing to dial on Web page |
01/28/2009 | CN101355614A Telephone exchange apparatus and control method for use in the apparatus |
01/28/2009 | CN101355613A Method and apparatus for distinguishing call type in IP voice network |
01/28/2009 | CN101355608A System and method for implementing IP conversion of color ring |
01/28/2009 | CN101355601A Network official telephone for digital microwave system and implementing method thereof |
01/28/2009 | CN100456789C communication terminal unit and method for control of same |
01/28/2009 | CN100456720C Routing telecommunications to a user in dependence upon location |
01/27/2009 | US7484240 Mechanism to allow authentication of terminated SIP calls |
01/27/2009 | US7483945 Method of, and system for, webcasting with just-in-time resource provisioning, automated telephone signal acquisition and streaming, and fully-automated event archival |
01/27/2009 | US7483528 Loop extender with selectable line termination and equalization |
01/27/2009 | US7483525 Method and system for selecting a communication channel with a recipient device over a communication network |
01/27/2009 | US7483523 Time delay compensation device for the management of multimedia communications via an asynchronous network and a telephone network |
01/27/2009 | US7483441 Methods and system for fast session establishment between equipment using H.324 and related telecommunications protocols |
01/27/2009 | US7483431 Method for transmitting data in a telecommunications network and switch for implementing said method |
01/27/2009 | US7483417 Telephony communication via varied redundant networks |
01/27/2009 | US7483414 Device to terminate a modem relay channel directly to in IP network |
01/27/2009 | US7483400 Managing a packet switched conference call |
01/27/2009 | US7483372 Communication network |
01/27/2009 | US7483369 Method and apparatus for migrating to an alternate call controller |
01/27/2009 | CA2423906C System and process to facilitate remote customer-service |