| Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
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| 06/20/2012 | CN1711744B Method and apparatus for generating and playing diagnostic messages indicative of MTA provisioning status |
| 06/19/2012 | US8204500 Optimal voicemail deposit for roaming cellular telephony |
| 06/19/2012 | US8204212 Phone and method for reducing noise in a subscriber line interface circuit thereof |
| 06/19/2012 | US8204199 Method and apparatus for monitoring device status |
| 06/19/2012 | US8204184 Web integrated interactive voice response |
| 06/19/2012 | US8204046 Method and apparatus for accessing service resource items that are for use in a telecommunications system |
| 06/19/2012 | US8203936 Gateway unit |
| 06/19/2012 | US8203589 System for managing video voicemail |
| 06/14/2012 | WO2012078779A1 Propagating user status information accross computing resources including a voicemail server |
| 06/14/2012 | US20120148039 Busy lamp field system for remote telephones and method for the same |
| 06/14/2012 | US20120148036 Systems and methods for handling calls associated with an interactive voice response application |
| 06/13/2012 | EP1188285B1 Gateway with voice |
| 06/13/2012 | CN202276398U 无线通讯数传一体机 Wireless data transmission machine |
| 06/13/2012 | CN202276397U 一种将pbx升级为ippbx的装置 A way to upgrade to ippbx device pbx |
| 06/13/2012 | CN102497443A Vehicle-mounted station based on Internet, system and communication method thereof |
| 06/13/2012 | CN101895447B SIP (Session Initiation Protocol) trunk gateway and failure monitoring method thereof |
| 06/12/2012 | US8200577 Systems and methods for retrieving and modifying data records for rating and billing purposes |
| 06/12/2012 | US8199899 Call management system with call control from user workstation computers |
| 06/12/2012 | US8199898 System and method for routing calls across call managers using a route plan |
| 06/12/2012 | US8199897 Communication network system and call pickup method thereof |
| 06/12/2012 | US8199762 Method of sizing packets for routing over a communication network for VoIP calls on a per call basis |
| 06/12/2012 | US8199747 System and method for instant VoIP messaging |
| 06/12/2012 | US8199680 Correlating calls after a referral |
| 06/12/2012 | US8199667 Voice and data exchange over a packet based network |
| 06/12/2012 | US8199632 Systems and method for orthogonal frequency divisional multiplexing |
| 06/07/2012 | WO2012072948A1 Interaction between a stationary telephone terminal of a local network and devices connected to the local network |
| 06/07/2012 | WO2012071917A1 Method for voip instant call |
| 06/07/2012 | WO2012071797A1 Method, device and network for communicating by associating the numbers |
| 06/07/2012 | US20120143729 Method and device for obtaining playlist content over a network |
| 06/07/2012 | US20120140915 Multi-Networking Communication System and Method |
| 06/07/2012 | US20120140909 Dial up telephone conferencing system controlled by an online computer network |
| 06/07/2012 | US20120140766 Method for Accessing Service Resource Items That are For Use in a Telecommunications System |
| 06/07/2012 | US20120140659 Terminal-to-terminal communication connection control method using ip transfer network |
| 06/06/2012 | CN102487424A Method and communication device for realizing internet protocol (IP) telephone escape |
| 06/06/2012 | CN102487410A Method and system for transferring internet protocol private branch exchange (IPPBX) internal number to external internet telephony service provider (ITSP) public numbers |
| 06/06/2012 | CN101923856B Audio identification training processing and controlling method and device |
| 06/06/2012 | CN101686183B Method, device and system for controlling packet voice service transmission |
| 06/06/2012 | CN101674297B Distributed business network, core service device and protocol message processing method |
| 06/06/2012 | CN101480034B Method and device for supporting voice communications |
| 06/06/2012 | CN101072258B Voice on demand method and device |
| 06/05/2012 | US8195958 Security module for encrypting a telephone conversation |
| 06/05/2012 | US8195738 Systems and methods for communicating from an integration platform to a profile management server |
| 06/05/2012 | US8194842 Implementing feature interactions between an AIN-based service and a switch-based forwarding service |
| 06/05/2012 | US8194838 Systems and methods for implementing call pickup in a SIP environment |
| 06/05/2012 | US8194649 Methods and apparatus for data communication |
| 06/05/2012 | US8194646 System and method for providing requested quality of service in a hybrid network |
| 06/05/2012 | US8194595 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 06/05/2012 | US8194565 Service level agreements based on objective voice quality testing for voice over IP (VOIP) networks |
| 06/05/2012 | CA2443097C Alternate routing of voice communication in a packet-based network |
| 05/31/2012 | WO2012071180A1 Communication services and application launch tool |
| 05/31/2012 | WO2005104518A8 SOLUTIONS FOR VOICE OVER INTERNET PROTOCOL (VoIP) 911 LOCATION SERVICES |
| 05/31/2012 | US20120137009 Apparatus, systems and methods for managing incoming and outgoing communication |
| 05/31/2012 | US20120134486 System and Method for Providing Limited Unique Telephone Numbers to Access Multiple Long Distance Destinations |
| 05/30/2012 | EP2458786A1 Voice loopback method, gateway and loopback node in voip network |
| 05/30/2012 | EP1222507B1 A method and system for software updating |
| 05/30/2012 | CN202261507U IP scatter communication device |
| 05/30/2012 | CN202261506U Calling system based on WIFI network |
| 05/30/2012 | CN202261505U VOIP (Voice Over Internet Phone) quality monitoring device |
| 05/30/2012 | CN1976376B Method for calling session, IP telephone system and IP telephone terminal |
| 05/30/2012 | CN1675912B Providing telephony services using intelligent end points |
| 05/30/2012 | CN102484669A 用于基于因特网协议的语音(voip)通话的通话中间后退 For the intermediate call Voice over Internet Protocol (voip) call back |
| 05/30/2012 | CN102484648A Method and apparatus in which call signaling messages bypass in-transparent switching nodes or networks |
| 05/30/2012 | CN102480716A Ip多媒体子系统网络中一号通业务呼叫路由的方法及系统 One-pass service call routing method and system Ip Multimedia Subsystem network |
| 05/30/2012 | CN102480575A Voip录音控制方法及其系统 Voip recording control method and system |
| 05/30/2012 | CN102480573A Positioning method of IP (Internet protocol) voice service |
| 05/30/2012 | CN102480416A Processing method and processing device for data services |
| 05/30/2012 | CN102480400A 一种三网融合系统及数字家庭终端 One kind of triple play systems and digital home terminal |
| 05/30/2012 | CN101969400B Method for matching number of voice over internet protocol terminal equipment |
| 05/30/2012 | CN101771760B Automatic extension dial-back method and system |
| 05/30/2012 | CN101640611B Method for synchronous and real-time reversion for VOIP voice service primary and standby modules |
| 05/30/2012 | CN101472011B Detection method of analog trunk line |
| 05/30/2012 | CN101448049B Comprehensive communication business system and method thereof |
| 05/30/2012 | CN101365020B Method for converting phone call into internet call, modem and server |
| 05/30/2012 | CN101106524B Packet transfer device and communication system |
| 05/30/2012 | CN101009740B System and method for implementing simultaneous data and voice access of the dual PPPOE |
| 05/29/2012 | US8190705 Communication capability coupons |
| 05/29/2012 | US8190180 Mobile information providing and transaction system |
| 05/29/2012 | US8189747 Internet-based telephone call manager |
| 05/29/2012 | US8189592 Delay reduction method for telephony systems with multiple packet generators |
| 05/29/2012 | US8189569 Apparatus and method for realizing user switching between IP network and PSTN network |
| 05/29/2012 | US8189565 Method and apparatus for accessing communication data relevant to a target entity identified by a number string |
| 05/29/2012 | US8189477 Voice and data exchange over a packet based network with timing recovery |
| 05/29/2012 | CA2511006C Call center management systems |
| 05/29/2012 | CA2464814C Routing of emergency calls based on geographic location of originating telephone end office |
| 05/24/2012 | US20120127990 Multiple Carrier Gateway System, Method and Apparatus |
| 05/24/2012 | US20120127988 System and method for encoding telephone call data using varying codec algorithms |
| 05/23/2012 | EP2456185A2 Method and arrangements for circuit switched services in communication networks |
| 05/23/2012 | EP2454870A1 Support in hss for emergency telecommunication services |
| 05/23/2012 | CN1878195B Universal relay detection method and system |
| 05/23/2012 | CN1794768B Apparatus, and associated method, for a CTI-enabled SIP-phone |
| 05/23/2012 | CN102474307A Impedance stabilization device |
| 05/23/2012 | CN102469224A 一种电话和计算机互联系统 A telephone and computer interconnection system |
| 05/23/2012 | CN102469221A Ip电话呼叫处理方法和系统、以及ip电话和语音服务器 Ip telephony call-processing methods and systems, and ip telephony and voice servers |
| 05/23/2012 | CN101651753B Calling control device and method for supporting circuit domain telephone and voice over IP |
| 05/23/2012 | CN101605035B Modem and impedance setting method thereof |
| 05/23/2012 | CN101515882B Method, device and system for communication between local area network and public network |
| 05/23/2012 | CN101494623B Method and apparatus for accessing network memory device of different private network |
| 05/23/2012 | CN101472019B Method, system and device for mutually communicating outband DTMF signaling |
| 05/23/2012 | CN101383880B Media gateway log system and log outputting method |
| 05/23/2012 | CN101277295B Method for transmitting data of communication system |