Patents
Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881)
11/2002
11/06/2002CN1378391A 寻呼系统 Paging System
11/06/2002CN1378368A Net gate system and fault management method
11/06/2002CN1378351A Position information searching method and mobile phone system
11/06/2002CN1094006C UNIX open systems interconnection layer testing
11/05/2002US6477607 Duplexing structure of switching system processor and method thereof
11/05/2002US6477559 Method and apparatus for remotely accessing an automatic transaction processing system
11/05/2002US6477494 Unified messaging system with voice messaging and text messaging using text-to-speech conversion
11/05/2002US6477374 Apparatus and method for calendar based call routing
11/05/2002US6477366 System and method for virtual citizen's band radio in a cellular network
11/05/2002US6477365 Portable telephone communication system and portable telephone communication method
11/05/2002US6477247 Apparatus and method for dialing out of local area telephone calls
11/05/2002US6477246 Method and apparatus for providing expanded telecommunications service
11/05/2002US6477241 Sound recording controller for dealing speaking system
11/05/2002US6477240 Computer-implemented voice-based command structure for establishing outbound communication through a unified messaging system
11/05/2002US6477238 Loop certification and measurement for ADSL
11/05/2002US6477175 Method and apparatus for transferring information from an information source to information receivers
11/05/2002US6477164 System and method for real-time data and voice transmission over an internet network
11/05/2002US6477150 System and method for providing group communication services in an existing communication system
11/05/2002CA2356073C System and method for secure communications between a host system and a mobile data communication device
11/05/2002CA2265179C Method and apparatus for providing advertisement supported communications
11/05/2002CA2263099C Multi-protocol telecommunications routing optimization
11/04/2002EP1112638A4 Method and system for multicasting call notifications
11/02/2002CA2346158A1 Method, system and apparatus for provisioning services to subscribers in a telecommunications network
10/2002
10/31/2002WO2002087207A1 Server and mobile communication system
10/31/2002WO2002087205A1 Control of a wireless conference telephone system
10/31/2002WO2002087204A1 Conference call system
10/31/2002WO2002087203A1 Call centres
10/31/2002WO2002087202A1 Voice response system
10/31/2002WO2002087201A1 Voice response system
10/31/2002WO2002087199A1 Method and arrangement for managing information in a communication device
10/31/2002WO2002087198A2 Device and method for matching the line properties for high bit rate data transmissions
10/31/2002WO2002087197A1 Call handling systems and methods
10/31/2002WO2002087103A1 Single-ended measurement method and system using abcd-matrix theory of transmission lines
10/31/2002WO2002087098A1 System and method for minimising bandwidth utilisation in a wireless interactive voice response system
10/31/2002WO2002087095A1 Wireless messaging system to multiple
10/31/2002WO2002086865A1 Speaker verification in a spoken dialogue system
10/31/2002WO2002086863A1 Speech recognition
10/31/2002WO2002086785A1 The electronic settlement system, electronic settlement method and cash paying method using lcd barcode displayed on mobile terminal
10/31/2002WO2002049315A3 System and method for assisting in controlling real-time transport protocol flow through multiple networks via use of a cluster of session routers
10/31/2002WO2002017612A3 Method, system and device for monitoring activity of a wireless communication device
10/31/2002WO2001054363A9 Intelligent network and method for providing voice telephony over atm and private address translation
10/31/2002US20020161916 Multichannel network, network connection, and switching apparatus
10/31/2002US20020161862 System and method for identifying and establishing preferred modalities or channels for communications based on participants' preferences and contexts
10/31/2002US20020161841 System for sending group messages
10/31/2002US20020161804 Internet-based system for multimedia meeting minutes
10/31/2002US20020161667 Method and system for procuring telecommunications services on-line
10/31/2002US20020161647 Tracking purchases in a location-based services system
10/31/2002US20020161646 Advertising campaign and business listing management for a location-based services system
10/31/2002US20020161640 Method for the wireless delivery and redemption of merchant discount offers
10/31/2002US20020161636 Information providing system
10/31/2002US20020161627 Method for passive mining of usage information in a location-based services system
10/31/2002US20020161587 Natural language processing for a location-based services system
10/31/2002US20020160815 Method and apparatus for adjusting a dialing sequence based on location
10/31/2002US20020160806 Wireless private branch exchange (WPBX) and communicating between mobile units and base stations
10/31/2002US20020160780 Concurrent ringing on multiple network telephones
10/31/2002US20020160779 Wireless private branch exchange (WPBX) and communicating between mobile units and base stations
10/31/2002US20020160776 Surrogate service attendant
10/31/2002US20020160775 Method for enabling receipt of a packet-switched page by a mobile station
10/31/2002US20020160772 Routing call failures in a location-based services system
10/31/2002US20020160766 Location-based services
10/31/2002US20020160764 Wireless communication system having mobility-based content delivery
10/31/2002US20020160762 Cellular broadcasting media
10/31/2002US20020160761 Apparatus for the wireless delivery and redemption of merchant discount offers
10/31/2002US20020160760 Cellular telephone, and method and apparatus for backup of data of cellular telephone
10/31/2002US20020160759 Profiles for information acquisition by devices in a wireless network
10/31/2002US20020160758 Information acquisition decision making by devices in a wireless network
10/31/2002US20020160757 Selecting the delivery mechanism of an urgent message
10/31/2002US20020160755 Method and apparatus for supporting voice message services with automatic rebound in a wireless intelligent network
10/31/2002US20020160754 Method and apparatus for supporting voice message services with call sender and feature code bookmark access in a wireless intelligent network
10/31/2002US20020159597 Method and system for calling line authenticated key distribution
10/31/2002US20020159582 Integrated access device resident mechanism for automatically routing call to specified number upon off hook signaling event
10/31/2002US20020159581 Communications system and method for monitoring a group call number of the communications system
10/31/2002US20020159580 Method for moving telecommunications customers onto a network
10/31/2002US20020159578 Communication network
10/31/2002US20020159577 Telephone status notification system
10/31/2002US20020159573 System allowing telephone customers to send and retrieve electronic mail messages using only conventional telephonic devices
10/31/2002US20020159572 Non-voice completion of voice calls
10/31/2002US20020159570 Automated nodal calling system
10/31/2002US20020159569 Messaging protocol over internet protocol
10/31/2002US20020159475 Integrated internet and voice enabled call center
10/31/2002US20020159442 Method of indicating the origin of a mobile user in a data network
10/31/2002US20020159440 Screening inbound calls in a packet-based communications network
10/31/2002US20020159421 Mobile communication system, gateway exchange selection server and gateway exchange selection method
10/31/2002US20020159394 System and method for providing reservationless conferencing
10/31/2002DE10120655A1 Identifying telephone number stored in telephone involves automatically transmitting ID data for number from database to central switching station and from there to telephone for display
10/31/2002DE10119794A1 Establishing telecommunications connection with abuse protection involves checking user authorization by exchanging at least one security code and checking on at least one side
10/31/2002CA2444656A1 Call handling systems and methods
10/31/2002CA2440505A1 Voice response system
10/30/2002EP1253801A2 Method and apparatus capable of enabling a network interface device to be provisioned remotely
10/30/2002EP1253789A2 Method to avoid overload situations in a telephone network
10/30/2002EP1253770A2 System for sending group announcements
10/30/2002EP1253769A2 Communication system and method for monitoring of a group call number of the communication system
10/30/2002EP1253768A2 Procedure for the control of hearing tones and/or call signals and/or indicators
10/30/2002EP1253767A2 Telephone terminal , switching exchange and method for providing a help function
10/30/2002EP1253541A2 Information acquisition decision making by devices in a wireless network
10/30/2002EP1253539A2 Brokering of information acquisition by devices in a wireless network
10/30/2002EP1252776A2 Message for transmission of a message and telecommunication system
10/30/2002EP1252754A1 Communication assistance system and method
10/30/2002EP1252747A2 Multi-mode message routing and management
10/30/2002EP1252742A1 Communication system, method and controller for routing calls within private networks distributed among geographically distant zones