| Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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| 09/02/2009 | CN101521674A H248 protocol calling synthetic method |
| 09/02/2009 | CN101521669A Method and device for releasing temporary destination node of H.248 protocol |
| 09/02/2009 | CN101521625A Method and equipment for distributing network transmission resource |
| 09/02/2009 | CN100536509C System and method for selecting medium resource server in next generation network |
| 09/01/2009 | US7583955 System for and method of reproducing multimedia contents in mobile communication terminal |
| 09/01/2009 | US7583796 Apparatus and method for generating a data distribution route |
| 09/01/2009 | US7583795 Switched-access network optimization methodology |
| 09/01/2009 | US7583659 Media gateway and automatic telephone call redirecting service system |
| 09/01/2009 | US7583639 System and method for determining data rate |
| 09/01/2009 | US7583610 Determination of speech latency across a telecommunication network element |
| 09/01/2009 | US7583286 System and method for collection and redistribution of video conferences |
| 08/27/2009 | WO2009105578A1 Computer-related devices and techniques for facilitating an emergency call via a cellular or data network |
| 08/27/2009 | WO2009103347A1 Call setup from a circuit switched network to a terminal residing within a packet switched network |
| 08/27/2009 | WO2009074558A3 Device and method for optimizing access to contents by users |
| 08/27/2009 | US20090214018 Distributed identifier management |
| 08/27/2009 | US20090213846 SYSTEM AND METHOD FOR VOICE OVER INTERNET PROTOCOL (VoIP) AND FACSIMILE OVER INTERNET PROTOCOL (FoIP) CALLING OVER THE INTERNET |
| 08/27/2009 | US20090213845 Voice and data exchange over a packet based network with timing recovery |
| 08/27/2009 | US20090213843 Method and apparatus for enabling voice communication |
| 08/27/2009 | US20090213727 Voice packet communications system with communications quality evaluation function |
| 08/26/2009 | EP2092726A2 Handling announcement media in a communication network environment |
| 08/26/2009 | EP2092679A1 Jitter buffer control |
| 08/26/2009 | CN201298865Y IPPBX including 2G, PSTN and VOIP access |
| 08/26/2009 | CN101518042A 临时enum网关 Temporary enum Gateway |
| 08/26/2009 | CN101515974A Method, equipment and VG for detecting VoIP channel and switching PSTN backup |
| 08/26/2009 | CN101515971A Telephone communication control apparatus, telephone communication system and telephone communication control method used for the same |
| 08/26/2009 | CN101515966A Smart card, terminal unit and method for realizing the business of network telephone |
| 08/26/2009 | CN101515882A Method, device and system for communication between local area network and public network |
| 08/26/2009 | CN100534117C Method and appts. for audio bridge |
| 08/26/2009 | CN100534114C System and method for implementing integral managing user data of fixed telephone network |
| 08/26/2009 | CN100534111C Apparatus and method for computer telephone integration in packet switched telephone networks |
| 08/25/2009 | US7580517 Methods and systems for providing duplicate point code support in a signaling message routing node |
| 08/25/2009 | US7580516 System and method for major trading area (MTA) routing in a telecommunications network |
| 08/25/2009 | US7580511 Voice over IP method for developing interactive voice response system |
| 08/25/2009 | US7580510 Peer to peer voice over IP network with distributed call processing |
| 08/25/2009 | US7580419 Network system integrated with SIP call server and SIP agent client |
| 08/25/2009 | US7580405 Method and system for routing emergency data communications |
| 08/25/2009 | US7580402 Internet protocol compliant private branch electronic exchange and a method expanding the number of controlled terminal ports |
| 08/25/2009 | US7580384 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 08/25/2009 | US7580347 Synchronization of remote units using multiple adjustments |
| 08/20/2009 | WO2009101540A1 Method, apparatus and computer program product for providing mobile broadcast service protection |
| 08/20/2009 | WO2009101191A2 Control of supplementary services such as call hold for sip phones via pc |
| 08/20/2009 | WO2009101190A1 Sharing licenses in a call center with per-seat licensing 1 |
| 08/20/2009 | US20090210535 Resource assignment in a distributed environment |
| 08/20/2009 | US20090210524 Routing of web-based contacts |
| 08/20/2009 | US20090207994 Telematics unit number provisioning |
| 08/20/2009 | US20090207992 Call hold signaling |
| 08/19/2009 | EP2091222A1 Click-to-dial service on IPTV |
| 08/19/2009 | EP2089995A1 Heterogeneous communication system and method for processing call in the same system |
| 08/19/2009 | EP1273153B1 Method for s.i.p./h.323 interworking |
| 08/19/2009 | EP1269734B1 Communications |
| 08/19/2009 | EP1219120B1 Routing in an ip network based on codec availability and subscriber preference |
| 08/19/2009 | CN101513013A System and method for overload control in a next generation network |
| 08/19/2009 | CN101510852A Method and apparatus for sending MP message in VoIP network |
| 08/19/2009 | CN100531268C System and method for outgoing using user telephone number |
| 08/19/2009 | CN100531259C Voice communications apparatus |
| 08/19/2009 | CN100531258C Enhancement of sound quality for computer telephony system |
| 08/19/2009 | CN100531156C Service providing system and method therefor |
| 08/19/2009 | CN100531112C Implementation of ISUP signalling process with degraded transmission channel number |
| 08/18/2009 | US7577741 Network communication apparatus for providing a user with a paging message |
| 08/18/2009 | US7577422 Lawful interception of multimedia calls |
| 08/18/2009 | US7577245 Method of detecting misrouted inter-office transport facility routes in a telecommunications system |
| 08/18/2009 | US7577131 System and method for voice over internet protocol (VoIP) and facsimile over internet protocol (FoIP) calling over the internet |
| 08/18/2009 | US7577084 ISDN crosstalk cancellation in a DSL system |
| 08/13/2009 | WO2009097792A1 Method and equipment for establishing the audio frequency conference connection |
| 08/12/2009 | EP2087701A2 Communication system and method |
| 08/12/2009 | EP2087673A2 Remote voip phone |
| 08/12/2009 | EP2087435A2 Application service invocation |
| 08/12/2009 | EP1495626B1 Media translator |
| 08/12/2009 | CN101507255A Device and method for the support of IP telephony in a consumer electronics environment |
| 08/12/2009 | CN101507254A Device and method for enabling SIP DECT terminal mobility |
| 08/12/2009 | CN101507253A Accessing number portability (NP) and E.164 number (ENUM) data |
| 08/12/2009 | CN101507252A Methods, systems, and computer program products for performing range-based directory number (DN) screening |
| 08/12/2009 | CN101505552A Method and system for domain switching |
| 08/12/2009 | CN101505509A Resource reservation implementing method and interconnection network element |
| 08/12/2009 | CN101505455A Method and device for push-to-talk service |
| 08/12/2009 | CN101505345A Communication system, method for 3G telephone |
| 08/12/2009 | CN101505344A Communication network anchorage method and device |
| 08/12/2009 | CN101505343A Method, system and apparatus for implementing voice call |
| 08/12/2009 | CN101505342A Method and apparatus for intelligent processing of suspend and resume operations in a call center |
| 08/12/2009 | CN101505321A Identifying and establishing preferred modalities or channels for communications |
| 08/11/2009 | US7574733 System and method of using the public switched telephone network in providing authentication or authorization for online transaction |
| 08/11/2009 | US7574472 System and method of monitoring video and/or audio conferencing through a rapid-update website |
| 08/11/2009 | US7573997 Local routing system and method |
| 08/11/2009 | US7573990 Accumulative decision point data analysis system for telephony and electronic communications operations |
| 08/11/2009 | US7573988 System and method for providing customized voice connection services via gatekeeper |
| 08/11/2009 | US7573905 Methods and systems for communicating SS7 messages over packet-based network using transport adapter layer interface (TALI) |
| 08/11/2009 | US7573873 Internet telephony using network address translation |
| 08/11/2009 | US7573825 Methods, apparatus and computer program products for testing a voice over Internet protocol communication system |
| 08/11/2009 | US7573816 System and method for combining requests for data bandwidth by a data source for transmission of data over a wireless communication medium |
| 08/06/2009 | WO2009095532A1 Method, communication arrangement, server arrangement and computer program product for establishing a communication connection |
| 08/06/2009 | US20090196409 Method for establishing a call |
| 08/05/2009 | EP1713203B1 A implementing method of wide area centrex |
| 08/05/2009 | EP1192786B1 Adaptable line driver interface for digital telephone systems |
| 08/05/2009 | CN101500344A Service platform system for implementing enterprise fusion communication |
| 08/05/2009 | CN101500045A Method and apparatus for call control |
| 08/05/2009 | CN101499887A Semi-static resource scheduling method and system, retransmission selection scheduling method and system |
| 08/05/2009 | CN100525476C Content transmitting method in media gate control protocol calling |
| 08/05/2009 | CN100525359C System and method for operating terminal in at least two communication modes |
| 08/05/2009 | CN100525355C Self-adaptive in-band and out-of-band number-receiving method for dual-tone multifrequency digital signal |
| 08/05/2009 | CN100525332C Telephone system using one or several micro-computers |