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)
11/2000
11/16/2000CA2371061A1 Telecommunications system
11/15/2000EP1052876A1 Transmission system taking into account the needs of the various traffic types and corresponding transmitter and receiver
11/15/2000EP1052872A2 Fault protection for hitless and errorless switching of telecommunications signals
11/15/2000EP1052871A1 System and method for variable bandwidth transmission facilities between a local telephone switch and a remote line unit
11/15/2000EP1052837A2 Page in a selected phone group
11/15/2000EP1052836A2 Method for configuring a telephone's keys to access network services
11/15/2000EP1052835A2 Method of detecting failures on analog subscriber connections
11/15/2000EP1051870A1 Method for connection reconfiguration in cellular radio network
11/15/2000EP1051865A1 Telecommunication network
11/15/2000EP1051862A2 Reliable and flexible access network
11/15/2000EP1051836A1 Computer telephony integrated pbx
11/15/2000EP1051834A1 Call setup for ip/internet telephony
11/15/2000EP1051833A2 Voice mail system
11/15/2000EP1051832A1 Call centre
11/15/2000EP1051831A1 Process for generating an address directory
11/15/2000EP1051830A2 Method for rapidly testing the reliability performance of a subscriber circuit
11/15/2000EP1051829A1 Method and system for tapping telephone conversations
11/15/2000EP1051828A2 Method for compensating current variables of a subscriber circuit which have been modified by disturbance variables
11/15/2000EP1051827A1 Method and apparatus for automatic telephone area code dialing
11/15/2000EP0996895A4 Data transaction assembly server
11/15/2000EP0819349A4 A system and method for providing portable telephone number service
11/15/2000CN1273733A Method for recording received sound signals in telephone
11/15/2000CN1273721A Device and method for cancelling code interference in CDMA communication system
11/15/2000CN1273661A System and method for developing interactive speech applications
11/15/2000CN1273483A Calling in selected telephone group
11/14/2000US6148329 Method and system for maintaining the format of messages in a messaging system database
11/14/2000US6148287 Voice data transmission/storage system
11/14/2000US6148214 Telephone using service messages for identification signals
11/14/2000US6148076 Method and an arrangement for controlling the operating mode of a subscriber line interface circuit
11/14/2000US6148074 Personal desktop router
11/14/2000US6148072 Methods and systems for initiating video communication
11/14/2000US6148071 Method and apparatus for providing calling features independent of the numbering plan
11/14/2000US6148070 Method, system, and database for providing a telecommunication service
11/14/2000US6148068 System for managing an audio conference
11/14/2000US6148067 Anonymous voice communication
11/14/2000US6148065 Telephonic-interface statistical analysis system
11/14/2000US6148063 Semi-interruptible messages for telephone systems making voice announcements
11/14/2000US6147974 Apparatus for monitoring state of traffic in telecommunication network
11/14/2000US6147966 Route finding in communications networks
11/14/2000CA2308533A1 Method and apparatus for an optimized digital subscriber loop access multiplexer
11/14/2000CA2226795C Multi-point teleconference system
11/14/2000CA2220424C Network based multimedia messaging method for non-ccitt compliant switches
11/13/2000CA2304940A1 Automatic call distribution system with signal generator and method
11/11/2000CA2308405A1 A transmission system taking account of the requirements of the different kinds of traffic carried, and a corresponding transmitter and receiver
11/11/2000CA2307455A1 System and method for variable bandwidth transmission facilities between a local telephone switch and a remote line unit
11/11/2000CA2306598A1 System and method for using a data network as a transmission medium in a local telecommunications loop
11/09/2000WO2000067506A1 Device and method for measuring the usage of system resources in a communication network
11/09/2000WO2000067492A1 Transaction capabilities application part (tcap) transaction termination method
11/09/2000WO2000067484A1 E-commerce television
11/09/2000WO2000067481A1 Interactive video communication in real time
11/09/2000WO2000067460A1 Method and system for fraud detection in telecommunications
11/09/2000WO2000067458A1 System and method for retrofitting existing building telecommunications infrastructures
11/09/2000WO2000067456A1 Communication system on a public telephone network between a user and a correspondent
11/09/2000WO2000067455A1 Method and system for providing enhanced call waiting with verification and name change service
11/09/2000WO2000067452A1 Computer network telephony adapter device
11/09/2000WO2000067436A1 Unified messaging system
11/09/2000WO2000067427A1 Telecommunications network resource handling arrangement and method
11/09/2000WO2000067419A1 Adsl test system
11/09/2000WO2000065996A1 Method and apparatus for providing air quality analysis based on human reactions and clustering methods
11/09/2000WO2000033531A3 Isolated connection in a multiparty call
11/09/2000WO2000030374A3 A group communication device and method
11/09/2000WO2000022906A3 Method and system for performing electronic auctions
11/09/2000DE19920598A1 Procedure to program memory of playback device for telephone service, electronic guide providing data file to be accessed by several units
11/09/2000DE19920382A1 Verfahren und System zum teilnehmerseitigen Mithören eines an einem Netz-Anrufbeantworter eingehenden Gesprächs Method and system for monitoring the subscriber side of an incoming call on a network mailbox
11/09/2000CA2373206A1 Transaction capabilities application part (tcap) transaction termination method
11/09/2000CA2373196A1 Telecommunications network resource handling arrangement and method
11/09/2000CA2373017A1 Method and system for fraud detection in telecommunications
11/09/2000CA2372218A1 Computer network telephony adapter device
11/08/2000EP1051054A2 Method for registering with a communication service
11/08/2000EP1051046A2 Method for providing intelligent network services to an IP network
11/08/2000EP1051021A2 Call related information receiver to receiver transfer
11/08/2000EP1051018A2 Voice messaging system which retrieves and stores voice messages from another voice messaging system
11/08/2000EP1051017A2 Method and system for listening the incoming conversation of a subscriber connected to a network answering machine
11/08/2000EP1051016A2 Method for finding a contact person or for setting up a call to such contact person
11/08/2000EP1051003A1 Explicit routing method
11/08/2000EP1050988A1 Communication device and method
11/08/2000EP1050183A1 Automatic detection of pots lines
11/08/2000EP1050180A2 Communication system using a compressed connection
11/08/2000EP1050171A2 Method for transferring the service profile of a digital subscription to a digital terminal device
11/08/2000EP1050155A1 System and method for providing ip/internet telephony
11/08/2000EP1050154A1 Communications system
11/08/2000EP1050153A2 System and method for identifying a data record associated with a transferred telephone call
11/08/2000EP1050152A1 Information service in a telecommunications network
11/08/2000EP1050151A1 Connection handling in communications networks
11/08/2000EP1050150A1 Telecommunications networks
11/08/2000EP1050148A1 Telephone system having a callback capability and method for connecting a recipient of a message to a caller
11/08/2000EP1050129A2 Device and method for generating quaternary complex quasi-orthogonal code and spreading transmission signal using quasi-orthogonal code in cdma communication system
11/08/2000EP1050120A1 Method and apparatus for a talkgroup call in a wireless cdma system
11/08/2000EP1050111A1 Intelligent radio
11/08/2000EP1050109A2 Afc device and method of controlling reception frequency in a dual-mode terminal
11/08/2000EP1049981A1 Method and system for media connectivity over a packet-based network
11/08/2000EP1049980A1 Xdsl-based internet access router
11/08/2000EP1002286A4 Auto definition of data sets and provisioning interfaces for call automation
11/08/2000CN2405383Y Bell flow electric power supply module testing device
11/08/2000CN1273002A Group-wise video conferencing uses 3D-graphics model of broacast event
11/08/2000CN1272997A Method for announcing message to subscriber
11/08/2000CN1272994A Telecommunication system with channel sharing
11/08/2000CN1272758A Use of position update response information to protect predefined area from moving terminal interference
11/08/2000CN1272743A Method, system and equipment for transmitting coding telecommunication signal
11/08/2000CN1272739A Interface device of wireless local net and wire voice telecommunication
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