Patents
Sitemap › H04 - Electric communication technique › H04M - Telephonic communication › H04M 3 - Automatic or semi-automatic exchanges
Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881)
09/2003
09/02/2003US6614783 Multimedia telecommunication automatic call distribution system using internet/PSTN call routing
09/02/2003US6614781 Voice over data telecommunications network architecture
09/02/2003US6614780 Internet calling apparatus and method
09/02/2003US6614763 Method of and apparatus for measuring network communication performances, as well as computer readable record medium having network communication performance measuring program stored therein
09/01/2003CA2420790A1 Communications system, communications method, network manager, and transfer device
08/2003
08/28/2003WO2003071820A1 Method and apparatus for providing subscriber-based ringback tone
08/28/2003WO2003071815A1 Method and apparatus for providing subscriber-based ringback tone
08/28/2003WO2003071776A1 System and method for coupling a telephony service platform to an internet-type service platform
08/28/2003WO2003071775A2 Multi-media biography
08/28/2003WO2003071774A1 Method and system for conducting conference calls with optional voice to text translation
08/28/2003WO2003071773A1 Network communication
08/28/2003WO2003071772A1 Method of synchronising multimodal interactions in the presentation of multimodal content on a multimodal support
08/28/2003WO2003071771A1 Efficient utilization of ivr resources supplied to switching systems
08/28/2003WO2003071767A1 Single ended line probing in dsl system using combined fdr-tdr approach
08/28/2003WO2003071761A1 A method and system for provisioning services to a terminal
08/28/2003WO2003071738A1 Localization of an ip telecommunications terminal over a lan
08/28/2003WO2003071382A2 System and method for voice user interface navigation
08/28/2003WO2003071376A2 Method and system for distributing geographical addresses across the surface of the earth
08/28/2003WO2003043297A3 Method of interconnecting sites for the exchange of data
08/28/2003WO2002065258A3 Method and apparatus for authenticating embedded software in a remote unit over a communications channel
08/28/2003WO2002039702A3 Telephone system using one or several micro-computers
08/28/2003US20030163736 Ensuring quality of service in a communications network
08/28/2003US20030163558 System and method for Hyper Operator controlled network probing across overlaid heterogeneous access networks
08/28/2003US20030163545 Method and system for provisioning services to a terminal
08/28/2003US20030163526 Virtual direct connect network
08/28/2003US20030163386 Parts delivery reminding system
08/28/2003US20030163299 Computerized medical diagnostic and treatment advice system
08/28/2003US20030162557 Method for processing information associated with disaster
08/28/2003US20030162548 Method and system for distributing geographical addresses across the surface of the earth
08/28/2003US20030162544 Call handling device
08/28/2003US20030162534 Method of informing a status condition of a mobile phone and providing a service control center
08/28/2003US20030162533 System and method for provisioning or updating a mobile station using over-the-air transfer of interpreted byte-code program
08/28/2003US20030162530 Mobile unit, call origination controlling method, and call termination controlling method
08/28/2003US20030161466 Call waiting and call progress signaling in a communication channel
08/28/2003US20030161465 Zero crossing detection circuit
08/28/2003US20030161464 On-hold information service with caller-controlled personalized menu
08/28/2003US20030161463 System and method for integrated resource scheduling, task allocation and agent work management
08/28/2003US20030161462 Carrier identification codes (CIC) transport
08/28/2003US20030161460 Call path reduction via correlation of call legs in a hairpin loop scenario
08/28/2003US20030161459 Outbound call rules routing
08/28/2003US20030161458 Method and system for defining call transfer rules for directory assistance
08/28/2003US20030161457 Geographical call routing for a non-emergency calling service
08/28/2003US20030161456 Time based regulation of use of a telephone line
08/28/2003US20030161455 Network-based intercom system and method for simulating a hardware based dedicated intercom system
08/28/2003US20030161452 Telephone correspondent reception system for unavailable subscriber
08/28/2003US20030161451 Method and apparatus for negotiated message delivery
08/28/2003US20030161450 Providing information to facilitate telephone conversations
08/28/2003US20030161448 Multi-modal communications method
08/28/2003US20030161446 Electronic surveillance via correlation of call legs
08/28/2003US20030161445 Method for inspecting transmission channels in a communications system ahving peripheral modules
08/28/2003US20030161345 System and method for processing digital audio packets for telephone conferencing
08/28/2003US20030161337 Broadcast/multicast system and protocol for circuit-switched networks
08/28/2003US20030161314 Telephone conferencing system and method
08/28/2003US20030161306 Method and system for determining dropped frame rates over a packet switched transport
08/28/2003US20030161276 System and method for gain control of audio sample packets
08/28/2003US20030161265 System for end user monitoring of network service conditions across heterogeneous networks
08/28/2003US20030160506 Wheel for a tracked vehicle
08/28/2003US20030160284 Semiconductor device for driving plasma display panel
08/27/2003EP1339208A1 Teleconferencing system
08/27/2003EP1339207A2 Group exchange port (GXP)
08/27/2003EP1339206A1 Method and system for spoken language translation
08/27/2003EP1339205A2 Interaction between an echo canceller and a packet voice processing
08/27/2003EP1339193A1 Data rate controller
08/27/2003EP1338159A2 System and method of fault management in a mobile communications network having a proxy switch
08/27/2003EP1338106A1 Method for scoring queued frames for selective transmission through a switch
08/27/2003EP1337949A1 Methods and system for communications service revenue collection
08/27/2003EP1337904A2 Wireless asp systems and methods
08/27/2003EP1216555A4 Virtual second line hybrid network communication system
08/27/2003EP1131730B1 Method and apparatus for providing real-time call processing services in an intelligent network
08/27/2003EP1076982B1 System for coupling the public telephone network to the internet
08/27/2003EP0928548B1 Method to provide and perform a telephone service
08/27/2003EP0715791B1 An apparatus for protecting a subscriber line interface circuit against overvoltages
08/27/2003CN1439229A Headline hyperlink broadcast servie and system
08/27/2003CN1439218A Atomatic exchange of electronic information
08/27/2003CN1438808A Mobile control apparatus, mobile communication terminal and mobile communication system
08/27/2003CN1438798A Network telephone system
08/27/2003CN1119905C Switch board for executing connections among multi terminals via multi communication channels
08/27/2003CN1119904C Tracing system for cross connection wire
08/27/2003CN1119883C Device and method for cancelling code interference in CDMA communication system
08/27/2003CN1119775C ALarm reporting apparatus for monitoring telephone line breakage
08/26/2003US6611858 Garbage collection method for time-constrained distributed applications
08/26/2003US6611694 Arrangement for improving the speech quality, especially for VoIP (Voice over IP) calls
08/26/2003US6611687 Method and apparatus for a wireless telecommunication system that provides location-based messages
08/26/2003US6611682 Mobile telephone apparatus and method for call divert service
08/26/2003US6611673 Radio frequency-controlled telecommunication device
08/26/2003US6611590 Enterprise-wide intelligent call center routing
08/26/2003US6611589 PBX system for interworking digital telephone with personal computer and controlling method thereof
08/26/2003US6611588 Support for change of numbers
08/26/2003US6611585 Method and apparatus for intelligent release link trunk
08/26/2003US6611584 Method and a system for use in a telecommunications network
08/26/2003US6611583 Computer-based method and apparatus for controlling, monitoring, recording and reporting telephone access
08/26/2003US6611579 Method for predicting and diagnosing trouble in a connection having a plurality of components
08/26/2003US6611516 Short message service support over a packet-switched telephony network
08/26/2003US6611501 Process management system
08/26/2003US6611409 Line module protection method and device utilizing said method
08/26/2003CA2234662C Method and apparatus for using the control channel in telecommunications systems for voice dialing
08/21/2003WO2003069946A1 A server for joining a user to a group call in a group communication network
08/21/2003WO2003069932A1 Method and device for handling incoming calls for a mobile radio telephone terminal via a cellular mobile radio network, during an internet session of a user of said mobile radio telephone terminal
08/21/2003WO2003069928A1 A method and an apparatus for adding a new member to an active group call in a group communication network
08/21/2003WO2003069927A1 A method and an apparatus for terminating a user from a group call in a group communication network
1 ... 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 ... 999