| Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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| 12/13/2007 | US20070286385 Communications device and method of operating a communications device that continues to connect local users after a link fails |
| 12/13/2007 | US20070286377 Method and apparatus for handling disconnected call |
| 12/13/2007 | US20070286365 System And Method For A Secure Log-On To A Communications System Comprising Network Connection And Connection Handling Computers |
| 12/13/2007 | US20070286279 Information transmission apparatus and information transmission method |
| 12/13/2007 | US20070286240 Guard tones in a multi-point to point orthoginal frequency division multiplexing system |
| 12/13/2007 | US20070286158 Telecommunications Network |
| 12/12/2007 | EP1864478A1 Network-independent provision and registration for services |
| 12/12/2007 | EP1330913B1 Internet protocol telephony using legacy switching systems |
| 12/12/2007 | EP1249142B1 Method and apparatus for exchange of information in a communication network |
| 12/12/2007 | CN101088273A System and method for initiating a conference call |
| 12/12/2007 | CN101087338A A common transmission method, system and device of LRE signals and phone signals |
| 12/12/2007 | CN101087337A Integration technology of network phone and traditional phone and connection adapter |
| 12/12/2007 | CN101087336A IP central user switching system and service implementation method |
| 12/12/2007 | CN100355263C Signal conversion device, server device, network information system and control methods for them, and telephone terminal device |
| 12/12/2007 | CN100355237C System and method for reproducing multimedia content in mobile phone |
| 12/12/2007 | CN100354841C Dataconferencing method, appliance, and system |
| 12/11/2007 | US7308697 Systems and methods for multimedia messaging in a cable or satellite subscriber system |
| 12/11/2007 | US7308462 Methods and systems for building and distributing audio packages |
| 12/11/2007 | US7308255 Extending mobile phone networks |
| 12/11/2007 | US7308247 Cellular telephone safety system |
| 12/11/2007 | US7308085 Serializing an asynchronous communication |
| 12/11/2007 | US7307997 Detection and mitigation of unwanted bulk calls (spam) in VoIP networks |
| 12/11/2007 | US7307958 Tunnelling wireless voice with software-defined vocoders |
| 12/11/2007 | CA2435827C Generation of availability indicators from call control policies for presence enabled telephony system |
| 12/06/2007 | WO2007140106A2 Method and apparatus for migrating between terminals |
| 12/06/2007 | WO2007113699A3 Method for call setup time improvement for 3g-234m |
| 12/06/2007 | WO2004100427A3 Method and system for automatic contact distribution utilizing presence detection |
| 12/06/2007 | US20070280467 Method, communications system and communications terminal for establishing communication |
| 12/06/2007 | US20070280466 Methods, systems, and computer program products for performing range-based directory number (DN) screening |
| 12/06/2007 | US20070280464 Call Management Service |
| 12/06/2007 | US20070280444 Method For Controlling Data Links |
| 12/06/2007 | US20070280099 Multiframe alignment in multipoint-to-point communication using orthogonal frequency division multiplexing |
| 12/05/2007 | EP1863265A1 Telephone apparatus |
| 12/05/2007 | EP1639784B1 Conversational bearer negotiation |
| 12/05/2007 | EP1031232B1 Negotiated routing in telephony systems |
| 12/05/2007 | CN200987190Y Wideband data terminal adapter |
| 12/05/2007 | CN101083696A Terminal apparatus |
| 12/05/2007 | CN101083695A Voice over internet protocol system and related wireless local area network device |
| 12/05/2007 | CN101083682A Telephone exchange apparatus |
| 12/05/2007 | CN101083627A Method and system for detecting data attribute, data attribute analyzing equipment |
| 12/05/2007 | CN101083619A Communication system and voice over internet protocol apparatus and data communication method |
| 12/05/2007 | CN100353780C Implementing method and system for providing subscriber with voice content service via mobile network |
| 12/04/2007 | US7305472 Method for downloading a web page to a client for efficient display on a television screen |
| 12/04/2007 | US7305231 System and method of notifying unpublished subscribers of request for contact information |
| 12/04/2007 | US7305081 Method for exchanging signaling messages in two phases |
| 12/04/2007 | US7305079 Method and apparatus for communicating with one of plural devices associated with a single telephone number |
| 12/04/2007 | US7305000 Communication terminal equipment and communication system incorporating the same and communication management method therefor |
| 12/04/2007 | US7304984 Methods and systems for creating, distributing and executing multimedia telecommunications applications over circuit and packet switched networks |
| 12/04/2007 | US7304962 Delay measurement system in a packet network |
| 11/29/2007 | US20070274509 Sound volume control apparatus |
| 11/29/2007 | US20070274500 Method For Processing Intelligent Service Logics |
| 11/29/2007 | US20070274498 Methods, systems, and computer programs for generating a billing statement from detailed usage file records |
| 11/29/2007 | US20070274491 Methods and systems for automated prepaid service routing |
| 11/29/2007 | US20070274474 System And Method For Unified Messaging In Inter/Intranet Telephony |
| 11/29/2007 | US20070274306 Method for Establishing a Call in a Telecommunications Network; Telecommunications Network; and Controlling Device for Packet Networks |
| 11/29/2007 | US20070274291 Method and Apparatus for Unified Management of Different Type of Communications Over Lan, Wan and Internet Networks, Using A Web Browser |
| 11/29/2007 | US20070274287 Integrated wireless/wireline registration |
| 11/29/2007 | US20070274202 Forward-looking tone allocation in multipoint-to-point communication using orthogonal frequency division multiplexing |
| 11/29/2007 | US20070274200 Remote band scanning in multipoint-to-point orthogonal frequency division mulitiplexing communication |
| 11/29/2007 | DE19640265B4 Kommunikationssystem aus mindestens zwei Nebenstellenanlagen mit Teamfunktion Communication system comprising at least two PBXs with team function |
| 11/29/2007 | DE112005003293T5 Verfahren und Vorrichtung zur Erleichterung einer nicht vollständig vermaschten Kommunikationssystemnetzübergangsschnittstelle Method and apparatus for facilitating not fully meshed communication system gateway interface |
| 11/28/2007 | EP1859645A2 Multiple access service convergence |
| 11/28/2007 | EP1859611A1 Process and device for providing a voip voice transmission service via an mgcp-controlled access terminal |
| 11/28/2007 | EP1021905B1 Method and apparatus for determining agent availability |
| 11/28/2007 | CN101079937A A method and system for realizing hotline service of SIP terminal |
| 11/28/2007 | CN101079936A A quick match system and method for voice chat |
| 11/28/2007 | CN101079935A A VoIP dialing control device and control method |
| 11/28/2007 | CN101079931A A number verification system and its method |
| 11/28/2007 | CN101079924A A call forward method and system |
| 11/28/2007 | CN101079852A Gateway apparatus and renegotiation method |
| 11/28/2007 | CN101079836A An instant communication method and system based on asymmetric media |
| 11/28/2007 | CN101079754A A method and device for voice stream detection |
| 11/27/2007 | US7302495 Method for transmitting signaling messages using alternate path |
| 11/27/2007 | US7302473 Internet information displaying apparatus and internet information displaying method |
| 11/27/2007 | US7302054 System and method for integrated telephony switching |
| 11/27/2007 | US7302053 System and method for providing a communication session |
| 11/27/2007 | US7302052 Advanced intelligent single telephone number routing |
| 11/27/2007 | US7302050 Method and system for independent participant control of audio during multiparty communication sessions |
| 11/27/2007 | US7302049 Convenience features in a method and system for providing enhanced caller identification |
| 11/27/2007 | US7301952 Terminal-to-terminal communication connection control method using IP transfer network |
| 11/27/2007 | US7301937 System for automatically selecting voice data transmission and reception system for IP network, method thereof, and IP terminal |
| 11/27/2007 | US7301934 UMTS telecommunications system for enabling a mobile station to receive voice-over internet protocol calls when roaming |
| 11/27/2007 | US7301910 Methods and systems for automated analysis of signaling link utilization |
| 11/27/2007 | CA2420310C Sharing of protocol processing |
| 11/22/2007 | WO2006138244A3 Methods, systems, and computer program products for selecting a global title translation mode based on an originator of a signaling message and performing global title translation according to the selected mode |
| 11/22/2007 | WO2006102339A3 Methods, systems, and computer program products for providing telecommunications services between a session initiation protocol (sip) network and a signaling system 7 (ss7) network |
| 11/22/2007 | WO2006088660A3 Resilient registration with a call manager |
| 11/22/2007 | US20070269037 System For Automatically Managing Server User Operation Sessions |
| 11/22/2007 | US20070269031 Method and apparatus for distributing advertisements to callers during telephone calls |
| 11/22/2007 | US20070269026 Method and system for providing enhanced caller identification information including total call control for all received calls |
| 11/21/2007 | EP1858266A1 Method and gateway for sending subsystem allowed and subsystem prohibited SCCP management messages for distributed SCCP application servers |
| 11/21/2007 | EP1856937A1 Method and apparatus to use a telephone number stored in a mobile terminal for establishing a call between two other terminals |
| 11/21/2007 | EP1856920A1 Method for maintaining sip calls in the event of hardware failure of redundant ip systems |
| 11/21/2007 | EP1856902A1 Method and device for removably connecting autonomous web and speech ports for multimodal services |
| 11/21/2007 | EP1856901A1 Method and system for supplying information to participants in a telephone conversation |
| 11/21/2007 | EP1508219B1 Method and device for echo suppression in a communications network |
| 11/21/2007 | CN200980141Y An intelligent relay station |
| 11/21/2007 | CN200980111Y A novel simulated voice card with accessing function of wireless communication |
| 11/21/2007 | CN101076994A Initiating internet protocol (ip) communications in an ip communication system based on databases of contact information |
| 11/21/2007 | CN101076068A Method for processing access terminal by phonetic gate |