| Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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| 09/26/2012 | CN101160946B Method and server for a push-to-talk service |
| 09/26/2012 | CN101056315B Implementation method for forwarding the session blind forward service |
| 09/25/2012 | US8275113 Shared mapping of a station extension within a distributed, enterprise telecommunications system, to an associated telephone number |
| 09/25/2012 | US8275112 Systems and methods of providing multi-homed tandem access |
| 09/25/2012 | US8275111 Method and apparatus for multimedia interaction routing according to agent capacity sets |
| 09/25/2012 | US8275110 Active call filtering, screening and dispatching |
| 09/25/2012 | US8275109 Administering participant attendance of teleconferences |
| 09/20/2012 | WO2012123151A1 A backup sip server for the survivability of an enterprise network using sip |
| 09/20/2012 | US20120237014 Routing calls in a network |
| 09/20/2012 | US20120236845 Voice and Data Exchange Over a Packet Based Network |
| 09/20/2012 | US20120236796 System and method of exchanging identification information for mobile stations |
| 09/20/2012 | US20120236762 Tandem Access Controller Within The Public Switched Telephone Network |
| 09/19/2012 | EP2501120A1 A backup SIP server for the survivability of an enterprise network using SIP |
| 09/19/2012 | EP2501119A1 A gateway for the survivability of an enterprise network using sip |
| 09/19/2012 | EP2499791A1 Method for searching for routes in a data transmission network |
| 09/19/2012 | CN1326630B Embedded web phone module |
| 09/19/2012 | CN102687493A Method and apparatus for determining a communication target and facilitating communications based on an object descriptor |
| 09/19/2012 | CN102685342A Method and system for improving instantaneity of VOIP (Voice Over Internet Protocol) voice signal based on Linux system |
| 09/19/2012 | CN102685341A Voice over Internet protocol (VOIP) call method and system |
| 09/19/2012 | CN102685340A Voice signal packetization time setting system and setting method |
| 09/19/2012 | CN102685163A Method and system for protecting basic session in DSN (Distributed Service Network) VoIP (Voice over Internet Protocol) service system |
| 09/19/2012 | CN102082673B Terminal service charging platform and method thereof based on Internet and telecommunication network |
| 09/19/2012 | CN102064996B Method and device for controlling network service processing resources |
| 09/19/2012 | CN101488945B Authentication method oriented to SIP |
| 09/19/2012 | CN101369880B Detection processing method and apparatus for time label jumping |
| 09/18/2012 | USRE43668 Method and apparatus for transmitting packets |
| 09/18/2012 | USRE43667 System for multiple use subchannels |
| 09/18/2012 | US8271660 Network telephony appliance and system for inter/intranet telephony |
| 09/18/2012 | US8271591 Methods, systems, and products for managing communications |
| 09/18/2012 | US8271331 Integrated, interactive telephone and computer network communications system |
| 09/18/2012 | US8270421 Voice over data telecommunications network architecture |
| 09/18/2012 | US8270351 Method and system for transferring wireless transmit/receive unit-specific information |
| 09/12/2012 | CN102664762A Automatic testing method for voice over internet protocol based on Abacus call test system |
| 09/12/2012 | CN101534312B A click dialing proxy call method based on initial session protocol |
| 09/11/2012 | US8265932 System and method for identifying audio command prompts for use in a voice response environment |
| 09/11/2012 | US8265259 Functionalities for local number portability in a telecommunications network |
| 09/11/2012 | US8265258 Functionalities for local number portability in a telecommunications network |
| 09/11/2012 | US8265257 System and method for determining telephone number blocks available for pooling donation |
| 09/11/2012 | US8265256 Method and apparatus for locating and reserving items via a web application |
| 09/11/2012 | US8265255 End-to-end session without signaling protocol |
| 09/11/2012 | US8265253 Displaying images of conference call participants |
| 09/11/2012 | US8265245 Call-processing rate quote system and method |
| 09/06/2012 | US20120224511 Internet based telephone line |
| 09/05/2012 | EP2494761A2 Using pstn reachability in anonymous verification of voip call routing information |
| 09/05/2012 | CN202424842U Network-based interphone system |
| 09/05/2012 | CN202424840U Digital cordless communication device combined with computer |
| 09/05/2012 | CN202424839U Equivalent model for testing Voice over Internet Protocol (VoIP) equipment |
| 09/05/2012 | CN101895647B Method of handling calling during? handover in wireless communication system and wireless communication system |
| 09/05/2012 | CN101888453B Multiplex communication device |
| 09/05/2012 | CN101872543B Frequently vehicle-lifting address speech synthesized automatic and rapid vehicle-calling system and method thereof |
| 09/05/2012 | CN101753739B Implementation method for non-local sound reproduction of terminal under NAT |
| 09/05/2012 | CN101710931B Intelligent public telephone system in next generation network and media configuration method thereof |
| 09/05/2012 | CN101662468B Method and system for media negotiation |
| 09/05/2012 | CN101562667B Coding/decoding conversion control method, media gateway and system under soft switch architecture |
| 09/05/2012 | CN101442473B Method, equipment and system for managing access session control policy |
| 09/05/2012 | CN101385313B Call establishment control for multimedia call |
| 09/05/2012 | CN101326801B Method and apparatus for capturing sound during telephone conference period |
| 09/04/2012 | US8260967 Billing system for communications services involving telephony and instant communications |
| 09/04/2012 | US8259922 Emulation of private branch exchange behavior |
| 09/04/2012 | US8259921 Method of VoIP number portability using wireless device |
| 09/04/2012 | US8259914 System and method for a secure log-on to a communications system comprising network connection and connection handling computers |
| 09/04/2012 | CA2732583C System for tdma mobile-to-mobile vselp codec bypass |
| 08/30/2012 | US20120221331 Method and Apparatus for Automatically Building Conversational Systems |
| 08/30/2012 | US20120218915 Methods, systems, and computer program products for organizing, managing, and selectively distributing routing information in a signaling message routing node |
| 08/29/2012 | CN202406183U Call center communication access system based on voice centralized access of NGN (Next Generation Network) soft switch network |
| 08/29/2012 | CN102651786A Network telephone set and network telephone registering method |
| 08/29/2012 | CN102651741A Method of telephone authentication terminal and system thereof |
| 08/29/2012 | CN101815143B Real-time guaranteeing method of IP soft call voice and video stream media |
| 08/28/2012 | US8254553 Systems, methods, and computer program products for number translation with local directory number support |
| 08/28/2012 | US8254552 System and method for providing a recovery mode in a session initiation protocol (SIP) environment |
| 08/28/2012 | US8254551 Methods, systems, and computer program products for providing quality of service using E.164 number mapping (ENUM) data in a communications network |
| 08/28/2012 | US8254550 Method and apparatus for the management of outgoing calls in a communication system |
| 08/28/2012 | US8254404 Gateway with voice |
| 08/28/2012 | US8254371 Method and system for routing and security for telephone calls over a packet-switched network |
| 08/28/2012 | CA2475730C A method and an apparatus for terminating a user from a group call in a group communication network |
| 08/23/2012 | WO2012110818A1 Voice traffic gateway |
| 08/23/2012 | WO2012110817A1 System and method for monitoring network link quality |
| 08/23/2012 | WO2012110810A1 Application of a non-secure warning tone to a packetised voice signal |
| 08/23/2012 | WO2012110807A1 Telephony user device comprising touch screen user interface reconfigurable by a remote server |
| 08/23/2012 | WO2012110806A1 Reconfigurable graphical user interface for a voicemail system |
| 08/23/2012 | WO2012110805A1 Sata sharing during a telephone conversation |
| 08/23/2012 | WO2012110804A1 Telecommunication with associated data communication |
| 08/23/2012 | US20120213343 Web integrated interactive voice response |
| 08/22/2012 | EP2490429A1 Voice traffic gateway |
| 08/22/2012 | EP2490428A1 Application of a non-secure warning tone to a packetised voice signal |
| 08/22/2012 | EP1913485B1 Policy engine |
| 08/22/2012 | CN202395930U E1 adaptive terminal |
| 08/22/2012 | CN202395838U Mining intrinsically-safe digital-type amplified telephone |
| 08/22/2012 | CN1980297B System and methods for disclosing call destination characteristic |
| 08/22/2012 | CN1942007B Telephony extension attack detection, recording, and intelligent prevention |
| 08/22/2012 | CN102647532A Intelligent standby network telephone |
| 08/22/2012 | CN102647469A VoIP (Voice over Internet Phone) time shifting telephone system and method based on cloud computing |
| 08/22/2012 | CN102647400A Multimedia information switching network |
| 08/22/2012 | CN101909123B Signal transmission method |
| 08/22/2012 | CN101854308B Self-adaptation realizing method of high-tone quality service network of VoIP system |
| 08/22/2012 | CN101505343B Method, system and apparatus for implementing voice call |
| 08/22/2012 | CN101207584B Method and system to automatically provide text exchange services |
| 08/22/2012 | CN101115100B Apparatus and method for computer to obtain or control working condition of phone line through sound card |
| 08/21/2012 | US8249246 Method and apparatus for changing a telephone number after entry |
| 08/21/2012 | US8249242 Secure call DTMF signaling |