Patents
Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881)
11/1999
11/24/1999EP0958683A1 Atm network providing transparently narrowband based telephony services without requiring atm-switching
11/24/1999EP0958681A2 Method and apparatus for supporting on-demand connectivity for network applications
11/24/1999EP0958680A1 A system and method for personal multimedia communication over a packet switched network
11/24/1999EP0711494B1 Intelligent networks
11/24/1999CN2350928Y Telephone switch
11/24/1999CN1236519A Apparatus and method for scheduling a telephone call
11/24/1999CN1236276A Telephony system comprising telephone answering machine, telephone and telephone handsets suitable for such system
11/23/1999US5991723 Method and apparatus for translating text and speech transferred over a telephony or similar network
11/23/1999US5991720 Speech recognition system employing multiple grammar networks
11/23/1999US5991645 Wireless telephone headset system with automatic log on/log off detection
11/23/1999US5991623 Method and system for preventing unjust use of personal communication terminal
11/23/1999US5991397 Voice paging service control method in a switching system
11/23/1999US5991395 Implementation of call-center outbound dialing capability at a telephony network level
11/23/1999US5991394 Method and system for establishing voice communications using a computer network
11/23/1999US5991393 Method for telephony call blending
11/23/1999US5991392 Agent-initiated dynamic requeing
11/23/1999US5991391 Dynamic re-routing
11/23/1999US5991390 Method and apparatus for teleworking from remote terminals
11/23/1999US5991389 Programmable service architecture for call control processing
11/23/1999US5991388 Method and system for routing calls to a party
11/23/1999US5991387 Monitoring and controlling channels to improve the interface of calls
11/23/1999US5991385 Enhanced audio teleconferencing with sound field effect
11/23/1999US5991375 Method of operating a communications network as well as a communications network and an interworking facility
11/23/1999US5991374 Programmable messaging system for controlling playback of messages on remote music on-hold- compatible telephone systems and other message output devices
11/23/1999US5991373 Reproduction of a voice and video session
11/23/1999US5991370 Voice messaging system and method providing message delivery verification
11/23/1999US5991369 System and method for message delivery for non-published directory numbers to voice mail boxes
11/23/1999US5991368 Customer information announcement service
11/23/1999US5991366 Telephone information retrieval system
11/23/1999US5991365 Remote phone-based access to a universal multimedia mailbox
11/23/1999US5991364 Phonetic voice activated dialing
11/23/1999US5991310 Method and apparatus for bypassing a local exchange carrier to permit an independent central office to provide local calling services
11/23/1999US5991301 Broadband telecommunications system
11/23/1999US5991291 Server of a computer network telephone system
11/23/1999US5991277 Primary transmission site switching in a multipoint videoconference environment based on human voice
11/23/1999US5991276 Videoconference system
11/23/1999US5991140 Technique for effectively re-arranging circuitry to realize a communications service
11/23/1999CA2192402C Method and apparatus for transport of communication signals over a public network
11/23/1999CA2191270C Monitoring of periodic patterns
11/23/1999CA2191158C Screening of incoming telephone calls prior to call completion to the destination party
11/23/1999CA2185182C Control of call features provided to a subscriber by a hierarchical telecommunication switch
11/23/1999CA2185175C Hierarchical switch support of services for subscribers based on organizational membership
11/18/1999WO1999059348A1 Method for controlling telecommunication services
11/18/1999WO1999059327A2 Circuit and method for simulation of a telephone apparatus
11/18/1999WO1999059326A2 Method and communication system for processing state information in a management network having different management levels
11/18/1999WO1999059321A1 Security system with call forwarding activation
11/18/1999WO1999059318A1 A communication system for distributing information
11/18/1999WO1999059317A1 A method for testing an object in a telecommunications system
11/18/1999WO1999059316A1 Monitoring of and remote access to call center activity
11/18/1999WO1999059315A1 Call processing method for delivering promotional messages
11/18/1999WO1999052260A3 Procedure and system for adjusting the level of a signal to be transmitted to a subscriber interface
11/18/1999WO1999045716A3 Telephony call-center scripting by petri net principles and techniques
11/18/1999WO1999041892A3 Order processing and reporting system for telecommunications carrier services
11/18/1999DE19906381A1 Peer to peer communication architecture for setting up multiple party conference connections
11/18/1999DE19821566A1 Verfahren und Vorrichtung zum Überwachen und Sichern von öffentlichen Telefonsystemen Method and apparatus for monitoring and securing public telephone systems
11/18/1999DE19821049A1 Call forwarding within telecommunication network
11/18/1999CA2331531A1 A communication system for distributing information
11/17/1999EP0957646A1 High-speed facility protection in a digital telecommunications system
11/17/1999EP0957625A2 Method and apparatus for surveilling and safeguarding public telephone systems
11/17/1999EP0957623A2 Operator assisted call subscriber screening using an intelligent network interface protocol
11/17/1999EP0957621A2 Computer email with telephony support
11/17/1999EP0957610A2 Data transmission system and method
11/17/1999EP0957609A2 Data transmission system and method
11/17/1999EP0957608A2 Data transmission system and method
11/17/1999EP0956714A2 Method of exiting collect information phase in intelligent network
11/17/1999EP0956713A1 Intelligent service peripheral device
11/17/1999EP0956711A2 Efficient communication through networks
11/17/1999EP0956692A1 Method and system for connecting a caller to a content provider
11/17/1999EP0956691A1 Passive distributed filter system and method
11/17/1999EP0956647A2 System and method for wireless network of unlicensed personal communications service areas with local switch interfaces and enhanced customer features
11/17/1999EP0776565A4 Improved communications marketing system
11/17/1999EP0749655A4 Voice interface board for use in an operator system
11/17/1999EP0706688A4 Broadband intelligent telecommunications network and method employing a resource system to support network services
11/17/1999EP0705501B1 Method and apparatus for testing telecommunications equipment using a reduced redundancy test signal
11/17/1999CN1235739A Variable burst remote access application messaging method and apparatus
11/17/1999CN1235738A Method and arrangement for connecting subscribers to telecommunication network in switching centre
11/17/1999CN1235737A System and method for subscriber activity supervision
11/17/1999CN1235736A System and method for incoming and outgoing interrogations for store-and-oforward services
11/17/1999CN1235735A System and method for controlled media conversion in intellectual network
11/17/1999CN1235734A System and method for IP-activated cal setup
11/17/1999CN1235733A System and method for supporting and managing telecommunication services
11/17/1999CN1235729A Multi-protocol telecommunications routing optimization
11/17/1999CN1235728A Method and device for routing calls by remote control
11/17/1999CN1235727A Method and apparatus for handing of multimedia messages in telecommunication system
11/17/1999CN1235726A Arrangement in subscriber line interface circuit
11/17/1999CN1235722A 通信网络 Communications network
11/17/1999CN1235495A Broadcast message transmitting and receiving method in mobile communication system
11/17/1999CN1235488A Selective call radio receiver with mail drop message display function
11/17/1999CN1235467A Device for connecting plurality of use lines with communication equipment
11/17/1999CN1235458A Information transmitting apparatus and information receiving apparatus, and information transmitting and receiving method
11/17/1999CN1235438A System, apparatus and method for multi-carrier transmission
11/17/1999CN1046611C System and method to identify the terminating directory number at customer premises
11/17/1999CN1046610C Announcement device for switching system
11/16/1999US5987609 System for remotely securing/locking a stolen wireless device via an Email message
11/16/1999US5987520 Closed user group preprocessing decision for efficient call security validation
11/16/1999US5987424 Accounting method and system for discounted communications charges
11/16/1999US5987334 Multi-modal handy phone
11/16/1999US5987321 Radio data communication system using a plurality of radio communication systems
11/16/1999US5987318 Call conference within a home zone
11/16/1999US5987317 Automatic public/autonomous system message waiting indicator (MWI) recognition