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)
10/1998
10/08/1998WO1998044704A1 Method and apparatus for monitoring the operation of telecommunications equipment
10/08/1998WO1998044703A1 Interconnection of telephone exchanges via a computer network
10/08/1998WO1998044702A1 System and method for providing local number portability service
10/08/1998WO1998044701A1 Method and arrangement for connection of a computer to a computer network via a telephone exchange
10/08/1998WO1998044699A1 Virtualized computer telephony integrated link for enhanced functionality
10/08/1998WO1998044697A1 On hold call waiting display method and apparatus
10/08/1998WO1998044693A1 A method and apparatus for secure data communication
10/08/1998WO1998044643A2 Audio interface for document based information resource navigation and method therefor
10/08/1998WO1998044482A1 Computer-telephony integration employing an intelligent keyboard and method for same
10/08/1998WO1998044428A1 System and method for telecommunications system fault diagnostics
10/08/1998WO1998035485A3 A mobile telecommunications unit and system and a method relating thereto
10/08/1998WO1998028920A3 Transporting short message service (sms) messages within a telecommunications network
10/08/1998WO1998025392A3 Call center services for local calls using local number portability
10/08/1998DE19813927A1 System for subscriber loop test in cable transmission installation
10/08/1998DE19713966A1 Service use arrangement for telecommunication network
10/08/1998CA2285362A1 Telecommunications speech/text conversion and message delivery system
10/08/1998CA2285313A1 Computer-telephony integration employing an intelligent keyboard and method for same
10/08/1998CA2285239A1 System and method for telecommunications system fault diagnostics
10/08/1998CA2284697A1 Method and apparatus for monitoring the operation of telecommunications equipment
10/08/1998CA2256625A1 A method and apparatus for transmitting and receiving electronic voice messages
10/08/1998CA2256048A1 On hold call waiting display method and apparatus
10/07/1998EP0869690A2 E-mail access from wireless telephones using user agents
10/07/1998EP0869688A2 A method and means for transmitting a service page in a communication system
10/07/1998EP0869655A2 Analog/digital integrated subscriber circuit
10/07/1998EP0869651A1 A method and apparatus for secure data communication
10/07/1998EP0869628A1 Interworking between telecommunications networks
10/07/1998EP0869435A1 Propagation scheme for network object status
10/07/1998EP0868820A1 Transport mechanism for accounting messages within a telecommunications system
10/07/1998EP0868813A1 Form creating and ordering system
10/07/1998EP0868811A1 Telephone fraud detection system
10/07/1998EP0868809A1 Method and apparatus for transferring a data call through a pbx
10/07/1998EP0868808A1 Accessing telecommunications services
10/07/1998EP0774191B1 Intelligent communications networks
10/07/1998EP0753237B1 B-isdn access
10/07/1998EP0611487B1 High isolation switch
10/07/1998CN1195445A Phone based dynamic image annotation
10/07/1998CA2232168A1 Method of call screening
10/06/1998US5819220 Web triggered word set boosting for speech interfaces to the world wide web
10/06/1998US5819208 Quantifying circuit performance
10/06/1998US5819180 Automatic call generator with a mobile telecommunications network based upon mobile subscriber's location
10/06/1998US5819046 System for invoking in computer application associated with second user connected to the computer and subject to any active conditions associated with the second user
10/06/1998US5819029 Third party verification system and method
10/06/1998US5819005 Modular digital recording logger
10/06/1998US5818930 Auto-dialer housing
10/06/1998US5818926 Switching device for telecommunications channel
10/06/1998US5818920 Apparatus for controlling communication connections based on local time
10/06/1998US5818919 Inter-network call forwarding with subscriber identity
10/06/1998US5818912 Fully digital call processing platform
10/06/1998US5818910 Telecommunication system, as well as a telecommunication exchange, as well as a method
10/06/1998US5818909 Agent speech detector system and method for use with a telephonic switch
10/06/1998US5818908 Selective voice menu system
10/06/1998US5818907 Method and system for automatically monitoring the performance quality of call center service representatives
10/06/1998US5818905 Subscriber line impedance measurement method and measuring circuit
10/06/1998US5818904 Collaborative trunk testing method and system
10/06/1998US5818903 CDMA mobile automatic call simulating method and simulator therefor
10/06/1998US5818836 Method and apparatus for anonymous voice communication using an online data service
10/06/1998US5818819 Method of processing a call
10/06/1998US5818216 For detecting a current flow through an electric conductor
10/06/1998CA2152415C Equal access to inter-exchange carriers in a mobile wireless packet data communication system
10/06/1998CA2134485C Network-accessible intelligent telephone service
10/06/1998CA2042682C Over-current detector circuit for an enhanced subscriber line interface
10/01/1998WO1998043462A1 Monitoring and controlling channels to improve the interface of calls
10/01/1998WO1998043451A1 Telecommunications networks
10/01/1998WO1998043450A1 Method of preventing data inconsistency between master exchange data and backup exchange data
10/01/1998WO1998043448A2 Method for establishing a communication link
10/01/1998WO1998043445A2 Method for data transmission to slave exchanges
10/01/1998WO1998043402A1 Automated callback system
10/01/1998WO1998043398A1 Method for supplying data with clearance by a control unit
10/01/1998WO1998043147A2 System and method for recording, maintaining and viewing configuration and placement of equipment in field sites
10/01/1998WO1998026617A3 An operational test device and method of performing an operational test for a system under test
10/01/1998WO1998026561A3 Voice path testing in telecommunications systems
10/01/1998WO1998024261A3 Measuring device for the interface of a transmission link with full duplex transmission in a two-wire common frequency operation
10/01/1998WO1998012666A3 Method, machine and system for counting audiences
10/01/1998DE19712538A1 Terminal data configuration method for communications system
10/01/1998DE19711909A1 Program module execution sequence determination method for circuit component simulation
10/01/1998DE19709937A1 Message feeding method for telephone subscriber's call line
09/1998
09/30/1998EP0868102A2 Mobility managment for a distributed communication system
09/30/1998EP0868096A2 Automatic updating of a local database supporting local number portability
09/30/1998EP0868094A2 Perfected protection and cutting unit by rotational control device, for connection and testing modules of telephone lines
09/30/1998EP0868065A2 Method and device for processing calls incoming to a terminal
09/30/1998EP0868051A2 Central site call routing apparatus and method
09/30/1998EP0867861A2 Speech-responsive voice messaging system and method
09/30/1998EP0867092A1 Method of providing telecommunication services
09/30/1998EP0867090A1 Network management system
09/30/1998EP0867085A2 Interactive services
09/30/1998CN2293161Y Program controlled extension telephone set connection exchanger
09/30/1998CN1194758A Transmission subscriber identity in mobile communication system
09/30/1998CN1194566A Making appointment method for wireless conected mobile communication terminal in communication network
09/30/1998CN1194562A Mobile paging telephone with automatic recalling function
09/30/1998CN1194528A Multifunctional automatic number inquiring system series for program-controlled telephone
09/30/1998CA2230253A1 Method for propagating between views of connection object status in network
09/30/1998CA2217799A1 Traffic distribution analysis in a land mobile radio system
09/29/1998US5815817 Information broadcasting method
09/29/1998US5815808 Location based screening in a mobile telecommunications system
09/29/1998US5815567 Communications interface providing isolation and ringdown features
09/29/1998US5815566 Apparatus and method for dynamic inbound/outbound call management and for scheduling appointments
09/29/1998US5815565 Service evaluation system and method for a telephonic switch
09/29/1998US5815564 System for connecting an incoming call to a selected one of a number of extensions
09/29/1998US5815563 Telecommunication system with remote call pick-up capabilities
09/29/1998US5815562 Apparatus and method for providing a user with one telephone number that rings phones on heterogeneous systems worldwide
1 ... 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 ... 999