227782 ⎘
Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks where a network other than PSTN/ISDN interconnects two PSTN/ISDN networks
METHOD FOR COLLECT CALL SERVICE BASED ON VOIP TECHNOLOGY AND SYSTEM THEREOF
#2Method and device for reducing telephone call costs
#3Providing real-time voice communication between devices connected to an internet protocol network and devices connected to a public switched telephone network
#4METHOD FOR COLLECT CALL SERVICE BASED ON VOIP TECHNOLOGY AND SYSTEM THEREOF
#5Providing real-time voice communication between devices connected to an internet protocol network and devices connected to a public switched telephone network
#6System and method for cell phone to cell phone signal transmission via the internet
#7SYSTEM AND METHOD FOR CELL PHONE TO CELL PHONE SIGNAL TRANSMISSION VIA THE INTERNET
#8Portable system for institutional telephone service provision
#9Call setup using voice over the internet protocol (VoIP)
#10Providing real-time voice communication between devices connected to an internet protocol network and devices connected to a public switched telephone network
#11Method and system for customer selected direct dialed voice-over-internet protocol (VOIP)
#12Enhanced E911 network access for call centers
#13Voice over data telecommunications network architecture
#14Standard telephone equipment (STE) based deployable secure communication system
#15Enhanced E911 network access for call centers
#16Voice over data telecommunications network architecture
#17IP Multimedia Subsystem (IMS)-Based Pre-negotiation of Video Codec For Video Single Radio Video Call Continuity
#18OPTIMAL MANAGEMENT OF CALLS BETWEEN NATIONAL CELLULAR MOBILE TELEPHONE NETWORKS.
#19Dynamic insertion of a quality enhancement gateway
#20Providing real-time voice communication between devices connected to an internet protocol network and devices connected to a public switched telephone network
#21Method and system for communicating across telephone and data networks
#22SYSTEM AND METHOD FOR PROVIDING COUNSELING SERVICE
#23SYSTEM AND METHOD OF USING A DYNAMIC ACCESS NUMBER ARCHITECTURE
#24Method for collect call service based on VoIP technology and system thereof
#25Methods and systems for communicating signaling system 7 (SS7) user part messages among SS7 signaling points (SPs) and internet protocol (IP) nodes using signal transfer points (STPs)
#26Voice-activity detection based on far-end and near-end statistics
#27Telephone service via packet-switched networking
#28Method and apparatus for providing an audible calling party identification for a call waiting service
#29Standard telephone equipment (STE) based deployable secure communication system
#30Telephone communication
#31Method 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
#32Communication system
#33Hybrid packet-switched and circuit-switched telephony system
#34Providing real-time voice communication between devices connected to an internet Protocol network and devices connected to a public switched telephone network
#35System and method for using exception routing tables in an internet based telephone call routing system
#36BRIDGING PHONE NETWORKS USING VOIP TO PRESERVE IN-NETWORK CALLING ADVANTAGES
#37Telephony communication via varied redundant networks
#38Communication systems and QSIG communications methods
#39MOBILE COMMUNICATION SERVICE BRIDGING
#40Call Release in Communication Networks
#41Hybrid packet-switched and circuit-switched telephony system
#42Method and apparatus for delivering relevant content
#43Internet telephone system ensuring communication quality and path setting method
#44Method and apparatus for localized voice over internet protocol usage
#45Voice internet transmission system
#46Access independent common architecture for real-time communications services for networking environments
#47Voice-activity detection based on far-end and near-end statistics
#48Method And System For Communicating Across Telephone And Data Networks
#49Method of sizing packets for routing over a communication network for VoIP calls on a per call basis
#50Voice over data telecommunications network architecture
#51Voice over data telecommunications network architecture
#52Voice over data telecommunications network architecture
#53System, method and mobile device for remote control of a voice mail system
#54Method for synchronously implementing media switch in gateways used for fax over IP network
#55Method for automatically initiating a call
#56Voice gateway for multiple voice communication network
#57Enhanced E911 network access for call centers
#58System and method for converging circuit switched and packed switched communications
#59Suppressing high speed modulation negotiation
#60VOIP With Local Call Access
#61Method for negotiating bearer properties in ip networks
#62VOIP with Local Call Access
#63Managing packet voice networks using a virtual switch approach
#64Method and apparatus for interfacing a public switched telephone network and an internet protocol network for multi-media communication
#65ISDN disconnect alarm generation tool for use in voice over IP (VoIP) networks
#66System and method for delay-based congestion detection and connection admission control
#67Internet routing system
#68Method and apparatus for providing an audible calling party identification for a call waiting service
#69Telephony communication via varied redundant networks
#70Circuit integrity in a packet-switched network
#71Call routing system and method
#72Data transport between a media gateway and server
#73System and method for providing telephony services to remote subscribers
#74Methods and systems for communicating signaling system 7 (SS7) user part messages among SS7 signaling points (SPs) and internet protocol (IP) nodes using signal transfer points (STPs)
#75Controlling time-sensitive data in a packet-based network
#76Defining logical trunk groups in a packet-based network
#77Hierarchically organizing logical trunk groups in a packet-based network
#78Methods and systems for providing database node access control functionality in a communications network routing node
#79Support for fax and modem in SIP/SIP-T networks and the interworking of these networks with ISUP+/BICC
#80Edge device and method for interconnecting SS7 signaling points (SPs) using edge device
#81Method for preserving the sequence of messages in sip/sip-t protocol
#82Efficient connection of ISDN private branch exchanges to a packet-switched network
#83Runtime-dependent switching off of the echo compensation in packet networks
#84Method for collect call service based on VoIP technology and system thereof
#85Method for enabling the user of a local computer operating in an instant messenger environment to make a voice communications link
#86Measurement deferral and aggregation for extensible test configuration
#87Real-time communications system of high communications quality and media terminal apparatus
#88Method for transmitting communication data in a communication system
#89Call setup using voice over the internet protocol (VoIP)
#90Standard telephone equipment (STE) based deployable secure communication system
#91System and method for providing telephony services to remote subscribers
#92Portable system for institutional telephone service provision
#93Advanced conference call controls