| Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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| 03/06/2014 | US20140064137 Non-intrusive monitoring of quality levels for voice communications over a packet-based network |
| 03/05/2014 | CN103618709A Registration method of SIP telephone system and SIP telephone system |
| 03/05/2014 | CN102355538B Number charging method used for VOIP system and VOIP system |
| 03/04/2014 | US8666059 Method and device for processing data and to a communication system comprising such device |
| 03/04/2014 | US8666053 System with call forward profile |
| 03/04/2014 | US8665798 Method and system for transferring wireless transmit/receive unit-specific information |
| 02/27/2014 | US20140059429 Web integrated interactive voice response |
| 02/27/2014 | US20140056420 Method and system for providing to a second party, computer-network related information about a first party |
| 02/27/2014 | US20140056416 Method of providing 911 service to a private branch exchange |
| 02/26/2014 | EP2700218A1 System and method for computer based collaboration initiated via a voice call |
| 02/26/2014 | CN203457218U Lightweight digital independent voice call alarming system |
| 02/26/2014 | CN203457212U Integrated machine with network emergency telephone and broadcast equipment |
| 02/26/2014 | CN101485172B Method and communication terminal for provision of VOIP |
| 02/25/2014 | US8661149 Communication network comprising communication components having client and server functionalities and search functions |
| 02/25/2014 | US8660242 System and method for electronic message notification |
| 02/25/2014 | US8660017 Systems and methods for updating IP communication service attributes using an LDAP |
| 02/20/2014 | US20140050314 Method and apparatus for routing a call to a subject matter expert via a packet network |
| 02/19/2014 | CN203445883U Optical network unit (ONU) terminal apparatus of Ethernet passive optical network (EPON) system |
| 02/19/2014 | CN103597807A Remotely reconfigurable distributed antenna system and methods |
| 02/19/2014 | CN103595881A Method for starting vehicle navigation by mobile phone application through DTMF channel |
| 02/19/2014 | CN103595704A Enterprise communication application one-key calling method for VOIP |
| 02/19/2014 | CN102932566B Method for reducing voice distortion in VOIP (Voice over Internet Protocol) phone call under VDI (Virtual Desktop Infrastructure) environment |
| 02/19/2014 | CN102833434B Method, device and system for detecting network-side dual-tone multi-frequency signals |
| 02/19/2014 | CN102307178B Switching control method for public switched telephone network (PSTN)-Internet protocol (IP) network cooperative communication |
| 02/19/2014 | CN102025847B Gateway and method for monitoring call connection state |
| 02/19/2014 | CN101448044B Method for playing color ring back tone without crosstalk based on SIP protocol |
| 02/18/2014 | US8656274 Automatic identification and storage of context information associated with phone numbers in computer documents |
| 02/18/2014 | US8655352 Satellite telephony |
| 02/18/2014 | US8654963 Method and system for integrating an interaction management system with a business rules management system |
| 02/18/2014 | US8654960 Dual network telephone device |
| 02/18/2014 | US8654957 Method and apparatus for providing internet protocol services to a user of a private branch exchange |
| 02/18/2014 | US8654776 Scheduling wireless communications |
| 02/12/2014 | CN103581454A 电话通讯方法及其系统 Method and system for telephone communication |
| 02/12/2014 | CN103581129A Conversation processing method and device |
| 02/12/2014 | CN103581116A Call package processing system, modulator-demodulator and method |
| 02/12/2014 | CN103581005A Voice gateway system and method for achieving internet telephone paging |
| 02/12/2014 | CN102137065B Communication method, terminals and system applied in multiple networks |
| 02/12/2014 | CN101632290B Client device method and apparatus for routing call |
| 02/11/2014 | US8649496 Call classification and forwarding |
| 02/11/2014 | US8649369 Methods and systems for compensating for delay in voice over IP communications |
| 02/11/2014 | US8648894 Virtual inmate visitation |
| 02/06/2014 | WO2014019036A1 System for facilitated telephone dialing and connection of telephone subscribers through module-directory and voice recognition module |
| 02/05/2014 | CN102487424B Method and communication device for realizing internet protocol (IP) telephone escape |
| 02/05/2014 | CN102307268B Voice scheduling system of passenger service systems among railway stations, and integrated management platform |
| 02/04/2014 | USRE44746 System and method for handling data transfers |
| 02/04/2014 | US8644497 Method and apparatus for adding a communication connection to a vectored group |
| 02/04/2014 | US8644476 Method and system for providing a value added service that is available in a first network to a subscriber in a second network |
| 02/04/2014 | US8644465 Method for processing audio data on a network and device therefor |
| 02/04/2014 | US8644307 Communication transfer apparatus and communication transfer method |
| 02/04/2014 | US8644303 Systems and methods for multiple mode voice and data communications using intelligently bridged TDM and packet buses |
| 02/04/2014 | US8644297 Communicating device and method of peer to peer communication between VOIP devices |
| 01/30/2014 | US20140029741 Platform to Interact with Multiple Electronic Private Automatic Branch Exchange (EPBAX) Systems |
| 01/30/2014 | US20140029739 Universal point of contact identifier system and method |
| 01/30/2014 | US20140029607 VoIP Phone Authentication |
| 01/29/2014 | EP2315398B1 Efficient communication network |
| 01/29/2014 | CN103546653A Voice communication method and device capable of identifying optimal communication parameters automatically |
| 01/28/2014 | US8639821 Method and system for providing a setup timer in a sip-based network |
| 01/28/2014 | US8639217 Radio network monitor device and monitor system |
| 01/28/2014 | US8638914 System and method for providing high reliability network |
| 01/28/2014 | US8638655 Systems and method for orthogonal frequency divisional multiplexing |
| 01/28/2014 | CA2778246C System and method for providing group communication services |
| 01/28/2014 | CA2507123C Methods and systems for conference call buffering |
| 01/23/2014 | US20140023067 Telephone Call Processing Method and Apparatus |
| 01/22/2014 | CN103535018A System and method for computer based collaboration initiated via a voice call |
| 01/22/2014 | CN103533192A Method of realizing telephone no-disturbing function for VoIP home gateway based on SIP |
| 01/22/2014 | CN103533191A Onboard passenger communication method and equipment based on plane application |
| 01/22/2014 | CN103533190A Voice transmission method and system based on expansion xmpp protocol |
| 01/22/2014 | CN103533185A Homebuyer and agent pairing method and system based on IP phone and voice pushing |
| 01/22/2014 | CN103532935A Domain strategy-based P2P (Peer-to-Peer) streaming media transmission control method |
| 01/22/2014 | CN103532929A Voice terminal equipment and voice double-protocol switching method |
| 01/22/2014 | CN102724371B Voice gateway and method for establishing call through same |
| 01/22/2014 | CN102130976B Method and system for accessing soft switch network at terminal as well as terminal |
| 01/22/2014 | CN101651585B Method for expanding capacity of mobile terminal |
| 01/21/2014 | USRE44716 Internet switch box, system and method for internet telephony |
| 01/21/2014 | US8635343 Method and element for service control |
| 01/21/2014 | US8634544 Route select service |
| 01/21/2014 | US8634534 Call recovery |
| 01/21/2014 | US8634530 Audio mixer and method |
| 01/21/2014 | US8634381 Session transfer between different access network types |
| 01/16/2014 | US20140019629 Distributed call server supporting communication sessions in a communication system and method |
| 01/16/2014 | US20140019147 Distributed call server supporting communication sessions in a communication system and method |
| 01/16/2014 | US20140016646 Intelligent policy server system and method for bandwidth control in an atm network |
| 01/15/2014 | EP2685703A1 Method, call setup device and computer product for controlling and setting up calls with reduced costs |
| 01/15/2014 | EP2684347A1 Authorising a user to participate in a conference conducted over a communication network |
| 01/15/2014 | CN203399179U Expert response system based on network conversation |
| 01/15/2014 | CN103516920A Packet capture method and device |
| 01/15/2014 | CN103516914A Interactive voice replying-based system and method for verifying punctual attendance of employee |
| 01/14/2014 | US8631074 Security and support for flexible conferencing topologies spanning proxies, firewalls and gateways |
| 01/14/2014 | US8630634 Processing of interactive screens for a wireless device |
| 01/14/2014 | US8630401 Method and system for extended directory service |
| 01/14/2014 | US8630284 Method and apparatus for creating and distributing COST telephony-switching functionality within an IP network |
| 01/14/2014 | US8630085 Mobile communication terminal |
| 01/09/2014 | US20140013412 Providing telephony services to terminals behind a firewall and/or a network address translator |
| 01/09/2014 | US20140011526 Method of transmitting electronic mail messages |
| 01/09/2014 | US20140010230 Method and system for an ethernet ip telephone chip |
| 01/08/2014 | CN102035954B Fixed telephone set realizing bidirectional wireless communication with computer and control system thereof |
| 01/07/2014 | US8625771 Local route groups and transformation patterns |
| 01/07/2014 | US8625770 Method and apparatus for monitoring a network element |
| 01/07/2014 | US8625752 Closed-loop command and response system for automatic communications between interacting computer systems over an audio communications channel |
| 01/07/2014 | US8625583 IP telecommunication system, method for controlling communication in IP network, client terminal and client server |