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)
07/2003
07/08/2003US6590877 Data transmission device
07/08/2003US6590869 Method and apparatus for selecting whether to place a call over the internet or the PSTN using a two tiered process
07/08/2003US6590864 Protection switching using standby system for transmission of line status signals
07/08/2003US6590862 Line interfacing apparatus with N+1 configuration
07/08/2003US6588953 Routing in a communication network
07/08/2003CA2268553C Method and system for transferring digital data calls between different destinations
07/08/2003CA2229922C Cellular communications system
07/08/2003CA2215228C System and method for accessing data files in a computer network
07/08/2003CA2210058C Games on hold telephony service
07/08/2003CA2178912C Method and system for ordering services
07/03/2003WO2003055261A1 A method and apparatus for switching access between mobile networks
07/03/2003WO2003055259A1 Method for accessing a server
07/03/2003WO2003055249A1 Intercepting a call connection to a mobile subscriber roaming in a visited plmn (vplmn)
07/03/2003WO2003055236A1 Generation of telecommunication connections in a communication network
07/03/2003WO2003055196A1 Delivery of wireless messages to wireline interactive devices
07/03/2003WO2003055194A2 Method for identifying users in web call center integration
07/03/2003WO2003055192A1 Method and system for automatic telephone call forwarding
07/03/2003WO2003055191A1 Voice mail service where the caller can choose among different message types
07/03/2003WO2003055190A1 Method for sending a message to a call number, multimedia message and device therefor
07/03/2003WO2003055189A1 Method for exchanging information by means of voice over a packet-oriented network
07/03/2003WO2003055188A1 Establishing a conference call from a call-log
07/03/2003WO2003055187A1 Conference call setup automation
07/03/2003WO2003055186A1 Method and system for multiple-channel automatic recall
07/03/2003WO2003055185A1 Database driven methods and systems for real time call tracing
07/03/2003WO2003055184A1 Systems and methods for monitoring network-based voice messaging systems
07/03/2003WO2003055177A1 Method and system for the transmission of data that has not been explicitly requested in a mobile radio system
07/03/2003WO2003055158A1 System for converting text data into speech output
07/03/2003WO2003055082A2 Third-party redirection of an incoming call via a display-based communication center
07/03/2003WO2003055023A2 Frequency selective transient voltage protector
07/03/2003WO2003054765A1 A method and system for telemarketing
07/03/2003WO2003054731A2 Method for conducting a computer-aided transformation of structured documents
07/03/2003WO2003054717A1 Providing instant services in internet protocol network
07/03/2003WO2002089454A3 Systems and methods for loop characterization from double-ended measurements
07/03/2003WO2002078304B1 System and method for establishing call connections using electronic text messages
07/03/2003WO2002028077A3 Call processing system with interactive voice response
07/03/2003WO2000064131A3 Predicting performance of telephone lines for data services
07/03/2003US20030126615 Cable modem and protocol conversion processing method
07/03/2003US20030126257 Method for recording events in an IP network
07/03/2003US20030126207 Instant messaging with voice conference feature
07/03/2003US20030126149 System for providing private branch exchange operation information
07/03/2003US20030125954 System and method at a conference call bridge server for identifying speakers in a conference call
07/03/2003US20030125953 Information retrieval system including voice browser and data conversion server
07/03/2003US20030125882 Method and apparatus for providing a bioinformatics database
07/03/2003US20030125872 Providing guiding service by means of a wireless terminal
07/03/2003US20030125041 Method for establishing communication relations
07/03/2003US20030125032 System and method for distributed call processing using a distributed trunk idle list
07/03/2003US20030125018 Method and system for wireless-enabled teleconferencing with wireless data transmit and receive function
07/03/2003US20030123674 Gain control method for acoustic echo cancellation and suppression
07/03/2003US20030123642 Computer-telephony integration that uses features of an automatic call distribution system
07/03/2003US20030123641 Uninterrupted automatic call distribution during failure and recovery of computer-telephony integration
07/03/2003US20030123640 Call center monitoring system
07/03/2003US20030123639 Apparatus and method for managing BLF information in an inter-networking system
07/03/2003US20030123638 Multi-application operations management for single system environments
07/03/2003US20030123637 Local exchange carrier escape list for local number portability
07/03/2003US20030123636 Method of routing telecommunications and data traffic
07/03/2003US20030123634 Method and system for facilitating mediated communication
07/03/2003US20030123631 Method and system for providing enhanced caller identfication information including total call control for all received calls
07/03/2003US20030123630 Method and system for providing enhanced caller indentification information for subscribers that interface via private trunk groups
07/03/2003US20030123629 System and method for completing private calls made to private numbers
07/03/2003US20030123626 Method and apparatus for handling to an incoming call
07/03/2003US20030123624 Property management system protocol auto-detection
07/03/2003US20030123623 Method and system for generating a call processing control record
07/03/2003US20030123622 Unified communication services via e-mail
07/03/2003US20030123620 Responding device, and communication equipment communicating with it, and recording medium recording its program and program
07/03/2003US20030123619 Voice authenticated terminal registration
07/03/2003US20030123593 Method and system for temporarily provisioning a telephone service feature for a subscriber
07/03/2003US20030123488 Synchronization of signaling messages and multimedia content loading
07/03/2003US20030123485 Method for transmitting packet data in communication system
07/03/2003US20030123478 Method and system for recording conversation
07/03/2003US20030123474 System and method for call completion on busy subscribers
07/03/2003US20030123434 Internet telephone system
07/03/2003US20030123431 Methods and apparatus for providing internet messaging on the screen of a digital telephone
07/03/2003US20030123388 Admissions control in a connectionless communications network
07/03/2003US20030123208 Apparatus and method for reducing and balancing the capacitance of overvoltage protector in high frequency transmissions
07/03/2003US20030122921 Conference calling
07/03/2003US20030122685 System and method for locating individuals and equipment, airline reservation system, communication system
07/03/2003CA2471133A1 Method for exchanging information by means of voice over a packet-oriented network
07/02/2003EP1324583A2 Gain control method for acoustic echo cancellation
07/02/2003EP1324582A1 Teleconferencing Bridge with comb filtering for spatial sound image
07/02/2003EP1324581A1 CCBS using Session Initiation Protocol (SIP)
07/02/2003EP1324580A2 Call management system responsive to online presence in a network
07/02/2003EP1324579A2 Call management method responsive to online presence in a network
07/02/2003EP1324548A2 Mobile tracking system for QoS guaranteed paths, router device used for this system, mobile communications terminal, and control program for controlling router device
07/02/2003EP1324518A2 Optical switching equipment, optical transport network, and methods of using them
07/02/2003EP1323318A1 Location dependent user matching system
07/02/2003EP1323287A1 System for and method of extending a pbx phone port to a remote phone device
07/02/2003EP1323286A2 Packet-based conferencing
07/02/2003EP1323285A2 Variable automated response system
07/02/2003EP1323284A2 Telecommunications services apparatus for accessing stored broadcasts
07/02/2003EP1323108A2 Method and apparatus for creating mixed media messages
07/02/2003EP1322912A2 Method for using the information of a station for providing information, communications terminal, control centre, and station of an information provider
07/02/2003EP1051834B1 Call setup for ip/internet telephony
07/02/2003EP0983575B1 Improvements in, or relating to, visual speech synthesis
07/02/2003EP0972414B1 Telecommunications network including an overload control arrangement
07/02/2003EP0845186B1 An improved access to telecommunications networks in multi-service environment
07/02/2003EP0835494B1 Method and system enabling users to interact, via mutually coupled terminals, by reference to a virtual space
07/02/2003CN1428059A Extended mobile telephone network and payphone therefor
07/02/2003CN1428040A Communications
07/02/2003CN1428029A System and method for providing group communication services
07/02/2003CN1427977A Method for attaching authentication bar code, authentication method, apparatus for attaching authentication bar code, authentication apparatus and portable terminal
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