| Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777) |
|---|
| 10/12/2011 | CN202009432U Voice calling system for realizing client management and instant messaging |
| 10/12/2011 | CN102217270A Using authentication tokens to authorize a firewall to open a pinhole |
| 10/12/2011 | CN102215233A Information system client and information publishing and acquisition methods |
| 10/12/2011 | CN101297541B Communications between devices having different communication modes |
| 10/12/2011 | CN101132455B Voip device capable of acquiring log information about voice quality |
| 10/11/2011 | USRE42828 Communication between parties over the internet without revealing personal or security information |
| 10/11/2011 | US8037299 Domain-less service selection |
| 10/11/2011 | US8037196 Method for maintaining communication between communication devices having inconsistent protocols |
| 10/11/2011 | US8036370 Directly contactable call center agents |
| 10/11/2011 | US8036369 Method and system for realizing direct dialing to an extension across PBXs |
| 10/11/2011 | US8036368 Local route groups and transformation patterns |
| 10/11/2011 | US8036366 Intelligent formatting of VoIP telephone numbers |
| 10/11/2011 | US8036358 Distributed voice conferencing |
| 10/11/2011 | US8036352 Method and system for determining migration of ported telephone numbers between service providers |
| 10/11/2011 | US8036214 Voice over data telecommunications network architecture |
| 10/11/2011 | US8036212 Systems and methods for integrating analog voice service and derived POTS voice service in a digital subscriber line environment |
| 10/11/2011 | US8036208 Telephone network interface bridge between data telephony networks and dedicated connection telephony networks |
| 10/11/2011 | CA2513498C Call transfer system, method and network devices |
| 10/11/2011 | CA2440893C Packet switched network voice communication |
| 10/06/2011 | WO2011121268A1 Computer telephony |
| 10/06/2011 | WO2011121006A1 Media appliance |
| 10/06/2011 | WO2011120950A1 Television appliance |
| 10/06/2011 | WO2011120318A1 Dual tone multi-frequency signal transmission method and device |
| 10/06/2011 | US20110243315 Method and System For Providing Computer-Network Related Information About A Calling Party |
| 10/06/2011 | US20110243129 Multi-Mode Endpoint in a Communication Network System and Methods Thereof |
| 10/06/2011 | US20110243127 Voice and data exchange over a packet based network |
| 10/06/2011 | US20110242963 Systems and methods for orthogonal frequency division multiplexing |
| 10/06/2011 | US20110242606 Facsimile to e-mail communication system |
| 10/05/2011 | EP2371117A1 Grouping of circuits |
| 10/05/2011 | EP1683331B1 Method, system, and apparatus for providing wireless identification to standard telephone |
| 10/05/2011 | EP1002417B1 Telephone status notification system |
| 10/05/2011 | CN202004762U Integrated network workstation for mines |
| 10/05/2011 | CN101433070B Methods, systems, and computer program products for selectively processing or redirecting signaling connection control part (SCCP) messages |
| 10/05/2011 | CN101330715B Method and equipment for establishing call control voice signaling load-bearing controlled by CS in SR VCC |
| 10/04/2011 | US8032808 System architecture for internet telephone |
| 10/04/2011 | US8032373 Closed-loop command and response system for automatic communications between interacting computer systems over an audio communications channel |
| 10/04/2011 | US8031861 Communication system tonal component maintenance techniques |
| 10/04/2011 | US8031860 Distributed hardware/software system for managing agent status in a communication center |
| 10/04/2011 | US8031857 Methods and systems for changing a communication quality of a communication session based on a meaning of speech data |
| 10/04/2011 | US8031856 Customer owned telephone numbers |
| 10/04/2011 | US8031855 Method for providing enhanced directory assistance upon command using out-of-band signaling |
| 10/04/2011 | CA2398714C Session initiation protocol based advanced intelligent network/intelligent network messaging |
| 09/29/2011 | WO2011094067A3 Access to social networking services in case of caller busy/no -answer and for personalised call progress tones |
| 09/29/2011 | US20110235794 Method and apparatus for establishing communications with a remote node on a switched network based on hypertext calling received from a packet network |
| 09/29/2011 | US20110235786 Voice over ip telephone recording architecture |
| 09/29/2011 | US20110235552 Method and apparatus for placing a long distance call based on a virtual phone number |
| 09/28/2011 | EP2369826A2 Location method using emergency calls placed using IP telephony |
| 09/28/2011 | EP2368350A2 Method for activating client software in an instant messaging system |
| 09/28/2011 | EP1495625B1 Providing of presence information to a telephony services system |
| 09/28/2011 | CN201995137U Wireless multi-service terminal |
| 09/28/2011 | CN201995023U Voice communication system capable of supporting internet protocol version 4 (IPV4) and internet protocol version 6 (IPV6) simultaneously |
| 09/28/2011 | CN201995022U Network voice chat equipment |
| 09/28/2011 | CN201994956U Integrated access device compatible with public telephone network and based on VOIP |
| 09/28/2011 | CN201994951U 一种vdsl2中继/带宽倍增器 One kind vdsl2 Relay / bandwidth multiplier |
| 09/28/2011 | CN201994939U 一种铁路区间通信业务光纤综合接入系统远端设备 A railway comprehensive range of fiber optic communication service remote device access system |
| 09/28/2011 | CN1997049B A voice communication system based on the network phone system |
| 09/28/2011 | CN102204235A Monitoring method,monitoring system and safe diverter equipment |
| 09/28/2011 | CN102202123A System and method for providing called party awareness information |
| 09/28/2011 | CN101146157B System and method for using money-saving IP call for remote communication |
| 09/28/2011 | CN101119221B Conference bridge server |
| 09/27/2011 | US8028084 IP ACD using buffer server |
| 09/27/2011 | US8027456 Method and system for providing call tones service in a system with multiple media content providers |
| 09/27/2011 | US8027454 Trunk sparing |
| 09/27/2011 | US8027453 System and method for an online speaker patch-through |
| 09/27/2011 | US8027450 Call forwarding to voice mail systems based on redirecting number |
| 09/27/2011 | US8027448 Method and apparatus for monitoring telephone status |
| 09/27/2011 | US8027443 Method and apparatus for exchange of data objects between network nodes depending on terminal capability |
| 09/27/2011 | US8027442 Apparatus, systems and methods for managing incoming and outgoing communication |
| 09/27/2011 | US8027440 System and method for facilitating call routing |
| 09/27/2011 | US8027335 Multimedia access device and system employing the same |
| 09/22/2011 | US20110228912 Method of providing 911 service to a private branch exchange |
| 09/22/2011 | US20110228765 Telephony terminal |
| 09/21/2011 | EP2367327A1 Communication method and apparatus for sorting communication events |
| 09/21/2011 | EP2366245A1 Processing of a request to instigate communication by a routing device associated with a plurality of terminals |
| 09/21/2011 | CN102196514A Method and device for diagnosing voice service quality in WLAN (Wireless Local Area Network) voice communication |
| 09/21/2011 | CN102196108A Method for realizing color ring back tone playing of Internet protocol (IP) telephone based on media gateway control protocol |
| 09/21/2011 | CN102196107A Telephone system |
| 09/21/2011 | CN102196106A Method and related equipment for realizing call between calling party and called party |
| 09/21/2011 | CN102196103A Platform for implementing competitive bidding of taxi services based on mobile communication and positioning technology |
| 09/21/2011 | CN102196101A Method for calling back extension number and method, equipment and system for searching extension number |
| 09/21/2011 | CN101697566B VoIP based display system and method of calling/called two-way multimedia ring back tone |
| 09/21/2011 | CN101505509B Resource reservation implementing method and interconnection network element |
| 09/21/2011 | CN101404674B Call routing method, proxy server and relay device |
| 09/21/2011 | CN101272540B Method of providing a voIP connection |
| 09/21/2011 | CN101064929B Networking structure of distributed wireless group telephone and realizing method |
| 09/20/2011 | USRE42714 Apparatus for voice communications over wired and wireless networks |
| 09/20/2011 | US8024764 Method and apparatus for processing multimedia signals |
| 09/20/2011 | US8023634 Autodialer flow control |
| 09/20/2011 | US8023631 Automated electronic telecommunications order translation and processing |
| 09/20/2011 | US8023629 Method for establishing a call |
| 09/20/2011 | US8023507 Card to card communications in voice and data communications systems |
| 09/20/2011 | US8023502 Load testing for IP PBX systems |
| 09/20/2011 | US8023479 Mobile application gateway for connecting devices on a cellular network with individual enterprise and data networks |
| 09/20/2011 | CA2485624C Network, private branch exchange, and multi protocol communication terminal control method for use in the exchange |
| 09/20/2011 | CA2484255C Device for modem relay channel termination |
| 09/15/2011 | WO2011112708A1 System and method for mobile-to-computer communication |
| 09/15/2011 | US20110225304 System and method for establishing and maintaining a voice over internet protocol connection between wireless devices |
| 09/15/2011 | US20110223907 Wired cellular telephone system |
| 09/15/2011 | US20110222681 Multi-Service Network System |
| 09/15/2011 | US20110222530 System and method for transmitting a telephone call over the Internet |