| Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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| 11/23/2011 | CN102255743A Unified communication system based on triple play |
| 11/23/2011 | CN101478619B Method, system and node device for implementing multi-path voice mixing |
| 11/23/2011 | CN101243674B Method and apparatus for a fast installation of an IP user connection over a 3GPP Nb interface under application of the BICC 'delayed backward bearer establishment' and avoidance of failure |
| 11/23/2011 | CN101146100B A realization method of SIP network phone based on transmission protocol SCTP and DCCP |
| 11/22/2011 | US8065405 Method and system for supporting the communication of presence information among computing devices of a network |
| 11/22/2011 | US8064588 Systems and methods for call screening |
| 11/22/2011 | US8064585 Architecture and implementation for control of context aware call processing with local feature definition |
| 11/22/2011 | US8064574 Messaging advise in presence-aware networks |
| 11/22/2011 | US8064450 System and method for registering IP address of wireless communication device |
| 11/22/2011 | US8064367 Multiple voicemail account support for a VoIP system |
| 11/17/2011 | US20110280390 Method and system for a multitenancy telephony network |
| 11/16/2011 | EP2387219A1 Registering the private branch exchange being used by an enterprise-associated mobile device |
| 11/16/2011 | EP2387199A1 Method for handling emergency service in network communication |
| 11/16/2011 | EP2387197A1 Method, system, and media gateway for reporting dual tone multi-frequency digits |
| 11/16/2011 | CN202043198U Radiotelephone communication system for stock yard and coal yard of iron steel enterprise |
| 11/16/2011 | CN1968327B System and method of proxy independent hunt group function in a packet based network |
| 11/16/2011 | CN1949812B Multi-service session admission control |
| 11/16/2011 | CN102246501A Traffic allocation |
| 11/16/2011 | CN101494700B Method for providing business to circuit domain user by server, server and system |
| 11/16/2011 | CN101437032B System for monitoring VOIP voice quality based on SIP protocol and detection method thereof |
| 11/16/2011 | CN101364942B Secure call recording system for ip telephony |
| 11/16/2011 | CN101189860B Methods, systems, and computer program products for providing telecommunications services between a session initiation protocol (SIP) network and a signaling system 7 (SS7) network |
| 11/15/2011 | USRE42920 System and method for inter-domain mobility management |
| 11/15/2011 | US8059811 System and method for controlling a call processing system |
| 11/15/2011 | US8059792 Method and system for message routing |
| 11/15/2011 | CA2496747C Server processing of interactive screens for a wireless device |
| 11/15/2011 | CA2487808C Multipoint audiovisual conferencing system |
| 11/09/2011 | EP2385688A1 Method and system for improved communication security |
| 11/09/2011 | EP1254556B1 Decoder, decoding method and a chip card |
| 11/09/2011 | CN202035055U Multimedia information switching network |
| 11/09/2011 | CN102238295A VoIP (Voice over Internet Phone) calling and processing method and device |
| 11/09/2011 | CN102238294A User terminal device and method for dynamically regulating size of shake buffer area |
| 11/09/2011 | CN101052066B Detecting method for prompting voice, voice server and prompting voice detector |
| 11/08/2011 | USRE42901 Common gateway to call control systems |
| 11/08/2011 | US8055777 Establishing call over intranet and external network via DMZ |
| 11/08/2011 | US8054965 Telephony control system with intelligent call routing |
| 11/08/2011 | US8054963 System with call forward profile |
| 11/08/2011 | US8054825 Method for transferring a call between a telecommunications network and a data network |
| 11/08/2011 | US8054166 Method and apparatus for telephonically accessing and navigating the internet |
| 11/03/2011 | US20110268106 Clearinghouse server for internet telephony and multimedia communications |
| 11/03/2011 | US20110267988 Apparatus and method for packet-based media communications |
| 11/02/2011 | EP2382726A2 Method of transmitting data in a communication system |
| 11/02/2011 | EP2196066B1 Dynamic transcoder placement |
| 11/02/2011 | CN102232291A Method, system and device for communication |
| 11/02/2011 | CN102231731A System and method for dynamically adjusting voice coding when wired telephone and wireless telephone intercommunicate |
| 11/02/2011 | CN102231234A Public transportation intelligent dispatching system and method with support for VOIP 3G transmission |
| 11/02/2011 | CN101159575B Method und system for receiving information content |
| 11/02/2011 | CN101061729B Method and related mobile communication system for providing combinational network services |
| 11/01/2011 | USRE42883 Enhanced phone-based collaboration |
| 11/01/2011 | US8050652 Method and device for an internet radio capable of obtaining playlist content from a content server |
| 11/01/2011 | US8050397 Multi-tone signal discriminator |
| 11/01/2011 | US8050395 Analog telephone adapter and emergency proxy |
| 11/01/2011 | US8050388 Messaging advise in presence-aware networks |
| 11/01/2011 | CA2469213C System and method for integrating multimedia services with traditional telephony via different networks |
| 11/01/2011 | CA2365856C Key management between a cable telephony adapter and associated signaling controller |
| 10/27/2011 | WO2011131695A1 Establishing a call between a first user and a second user |
| 10/26/2011 | EP2381668A2 Systems and methods of timing DTMF tones for telephony control |
| 10/26/2011 | EP2381667A1 Method, system and apparatus for verifying a call to a mobile communication device |
| 10/26/2011 | EP2381666A1 Method, system and apparatus for handling a call received at a mobile communication device |
| 10/26/2011 | EP2381665A2 Systems and methods of voice call setup involving mobile devices |
| 10/26/2011 | EP2380360A1 Methods and communications node for routing communications using a bi-level addressing scheme |
| 10/26/2011 | EP2380338A1 Setting up a call from a non- ims to an ims network whereby the gateway interfaces the hss |
| 10/26/2011 | EP2380325A1 Using authentication tokens to authorize a firewall to open a pinhole |
| 10/26/2011 | EP2123011B1 Method and arrangements for paging a user equipment for circuit switched services via a packet switched lte communication network |
| 10/26/2011 | CN202019393U Terminal |
| 10/26/2011 | CN202019368U Internet protocol (IP) exchange system with mobile agent server (MAS) |
| 10/26/2011 | CN101547267B Network telephone communication integrating system and method |
| 10/26/2011 | CN101465926B Method and device for processing call through network telephone gateway |
| 10/26/2011 | CN101389110B Apparatus and method for implementing official call by master control board |
| 10/26/2011 | CN101309334B Charging method of number portable service in IP multimedia sub-system |
| 10/26/2011 | CN101277342B Method, apparatus and system for implementing fork service |
| 10/26/2011 | CN101188525B A processing method and device for voice stream |
| 10/25/2011 | US8046470 Method and system for incoming call notification |
| 10/25/2011 | US8045952 Method and device for obtaining playlist content over a network |
| 10/25/2011 | US8045694 Interface for providing connection of a switch and a VMS using an IP network |
| 10/25/2011 | US8045693 Message reception confirmation method, communications terminal and message reception confirmation system |
| 10/25/2011 | US8045692 System and method for determining whether to request additional telephone numbering resources by a telecommunications carrier |
| 10/25/2011 | US8045690 Method and system for providing location information associated with a calling party |
| 10/25/2011 | US8045686 System and method for providing a backup-restore solution for active-standby service management systems |
| 10/25/2011 | US8045541 IP telephone system, IP telephone apparatus and method for identifying destination user |
| 10/20/2011 | WO2011129104A1 Impedance stabilization device |
| 10/20/2011 | US20110255621 Synchronized multipoint-to-point communication using orthogonal frequency division |
| 10/20/2011 | US20110255532 Packet-Switched Telephony Call Server |
| 10/20/2011 | US20110255513 Method and system for extended network access notification via a broadband acess gateway |
| 10/19/2011 | EP2120440B1 A method, terminal and system for implementing video binding in a voice communication network |
| 10/19/2011 | EP1258102B1 Method for suppressing silence in voice traffic over an asynchronous communication medium |
| 10/19/2011 | CN102223574A Digital home intelligent terminal realization device for tri-network integration based on AVS (audio video standard) |
| 10/19/2011 | CN102223455A VOIP (Voice Over Internet Protocol) phone monitoring system and monitoring method |
| 10/19/2011 | CN101547268B Digital voice transmission system based on LAN |
| 10/18/2011 | US8041768 Voice instant messaging |
| 10/18/2011 | US8041022 Policy-based control of content intercept |
| 10/18/2011 | US8041021 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 |
| 10/18/2011 | US8040877 Voice over IP architecture |
| 10/18/2011 | US8040876 Intelligent network and method for providing voice telephony over ATM and alias addressing |
| 10/18/2011 | US8040874 Method and communication system for automatically discovering the common multimedia service capability |
| 10/18/2011 | CA2510509C Voice mail system, method and network devices |
| 10/13/2011 | US20110249771 Adaptive gain control based on echo canceller performance information |
| 10/12/2011 | EP2375717A1 Multimedia telecommunication automatic call distribution system |
| 10/12/2011 | EP2374267A1 Voice-over-internet protocol device load profiling |
| 10/12/2011 | EP1240775B1 Communication system and method for establishing an internet connection by means of a telephone |