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)
12/1996
12/03/1996US5581611 Method for controlling advanced-function universal personal telecommunication services
12/03/1996US5581610 Method for network traffic regulation and management at a mediated access service control point in an open advanced intelligent network environment
12/03/1996US5581607 Customized, billing-controlled call bridging system
12/03/1996US5581604 Method and apparatus for processing an incoming call in a communication system
12/03/1996US5581602 Non-offensive termination of a call detection of an answering machine
12/03/1996US5581601 Communication system
12/03/1996US5581600 Service platform
12/03/1996US5581595 Telephone with an auto dialing function
12/03/1996US5581555 Reverse path allocation and contention resolution scheme for a broadband communications system
12/03/1996US5581245 Paging system control apparatus
12/03/1996US5581228 Digital signal comparison circuit in a performance monitoring and test system
12/03/1996CA2076518C Dynamic tone-administration
11/1996
11/28/1996WO1996038018A1 Method and system for setting up a speech connection in different networks
11/28/1996WO1996038009A1 Radiotelephone switching system and method of providing radiotelephone services
11/28/1996WO1996038001A1 Audiovisual telecommunication method and apparatus using a digital network
11/28/1996WO1996037991A1 Routing system and method for a teleconferencing system
11/28/1996WO1996037990A1 Telephonic voice message store and forward method
11/28/1996WO1996037989A1 Voice mail system
11/28/1996WO1996037988A1 Method for setting up a telephone connection and an exchange system
11/28/1996WO1996037979A1 Logging recorder system for trunking radio
11/28/1996WO1996037929A1 Switching coax jack with amplified monitor
11/28/1996WO1996037848A1 900 number billing and collection system and method for on-line computer services
11/28/1996DE19618784A1 Multiple speed dialling method esp. for key-dialling telephone system
11/28/1996CA2221183A1 Method and system for setting up a speech connection in different networks
11/28/1996CA2194785A1 Radiotelephone switching system and method of providing radiotelephone services
11/27/1996EP0744874A2 Method for eliminating program faults in program controlled communication installations
11/27/1996EP0744858A2 Variable communication handwidth for conference call initiation
11/27/1996EP0744857A2 Multimedia conference call providing adjustable bandwidth for individual communication terminals
11/27/1996EP0744856A2 Apparatus for and method of utilizing product identifier codes to establish communication connections
11/27/1996EP0744855A2 Subscriber line interface and power circuit
11/27/1996EP0744853A2 Communication system
11/27/1996EP0744852A2 Variable communication bandwidth for providing automatic call back and call hold
11/27/1996EP0744113A1 Method of detecting service interactions in intelligent networks
11/27/1996EP0744087A1 Smart phone
11/27/1996EP0562077B1 A telecommunication system and a method for matching the numbering schemes of two telecommunication systems
11/27/1996CN1136872A Broadband communication system
11/27/1996CN1136756A Method and apparatus for providing far-end individual calling mark
11/27/1996CN1136753A Selective incoming call receiving method in telephone system
11/27/1996CN1136742A Security hook key detecting method and circuit in fault period of telephone system
11/26/1996US5579535 Personal communication system providing supplemental information mode
11/26/1996US5579489 Digital assistant i/o expansion system
11/26/1996US5579472 Method of displaying information
11/26/1996US5579389 Histogram-based processing of audio signals
11/26/1996US5579386 Telephone network alerting cadence control system
11/26/1996US5579385 Method of signalling subscriber numbers in a telecommunications network
11/26/1996US5579383 Calling terminal controlled call coverage
11/26/1996US5579382 International direct dialing booking system
11/26/1996US5579380 Method and apparatus for processing telephone calls from one line to another
11/26/1996US5579379 Personal communications service having a calling party pays capability
11/26/1996US5579375 Call transfer within cellular communications system
11/26/1996US5579372 Flow control method for short message service - busy subscriber
11/26/1996US5579370 Portable telephone system
11/26/1996US5579368 Device for monitoring a switch
11/26/1996US5579313 Method of multiplexing speech signal and control signal in ISDN B-channels for an exchange system
11/26/1996US5579311 Telecommunications switching
11/26/1996US5579308 Crossbar/hub arrangement for multimedia network
11/26/1996CA2100846C Intelligent call screening in a virtual communications network
11/26/1996CA2076590C Context-dependent call-feature selection
11/26/1996CA1338742C Method and apparatus for testing twisted-pair interconnections of a high-speed local area network
11/21/1996WO1996037070A1 Telephone/transaction entry device and system for entering transaction data into databases
11/21/1996WO1996037069A1 Videoconferencing and multimedia system
11/21/1996WO1996037068A1 Data conferencing between remotely located participants
11/21/1996WO1996037067A1 Telephony based delivery system of messages containing selected greetings
11/21/1996WO1996024989A3 Multi-point to point communication system
11/21/1996DE19518558A1 Telephone misuse prevention method for digital PBX
11/21/1996DE19517404A1 Communication arrangement with computer and telephone
11/21/1996CA2219130A1 Data conferencing between remotely located participants
11/20/1996EP0743792A1 Video conferencing system
11/20/1996EP0743781A2 Method for consolidation of multiple data sources
11/20/1996EP0743780A2 Automatic call distributor reporting system and method therefor
11/20/1996EP0743779A2 Service and information management system for a telecommunications network
11/20/1996EP0743778A2 Service and information management system for a telecommunications network
11/20/1996EP0742990A1 Communication system with mobile telephones and process for operating the same
11/20/1996EP0742980A1 A network-based telephone system having interactive capabilities
11/20/1996EP0742978A1 A method and apparatus for communicating between nodes in a communications network
11/20/1996EP0742976A1 A communication system, a private automatic branch exchange, and a line card
11/20/1996CN2240813Y Connector for exchanger of telephone meeting
11/20/1996CN1136254A Intelligent call forwarding
11/20/1996CN1136253A Improved trouble alarm collecting device for electronic telephone exchanger
11/20/1996CN1136183A Checking system of computer system
11/19/1996US5577197 Test system for testing electronic transaction processing services at a common carrier network switch
11/19/1996US5577163 System for recognizing or counting spoken itemized expressions
11/19/1996US5577114 Subscriber line control apparatus to concurrently detect change in line state for subscriber lines and determine validity of timer device
11/19/1996US5577112 Telecommunications system
11/19/1996US5577111 Camp-on communication managing method and apparatus
11/19/1996US5577110 Access to capabilities of other telephone stations
11/19/1996US5577107 Communication terminal apparatus for displaying whether any of a plurality of other communication terminal apparatuses is receiving an image
11/19/1996US5577106 Communication apparatus for use with public telephone network
11/19/1996US5577099 Inductive amplifier having comb filter
11/19/1996US5577098 Data transmission system and method having improved alarm inhibiting function
11/19/1996US5577041 Method of controlling a personal communication system
11/19/1996CA2109273C Telephone call processing arrangement based on calling and called party telephone services
11/19/1996CA2091250C Facsimile mail apparatus
11/19/1996CA2081506C Telecommunications service provision equipment transfer
11/19/1996CA2073542C Personal communication system
11/17/1996CA2176177A1 Method for consolidation of multiple data sources
11/17/1996CA2175393A1 Service and information management system for a telecommunications network
11/14/1996WO1996036161A1 Transaction recorder
11/14/1996WO1996036160A1 Videophone interactive mailbox facility system and method of processing information
11/14/1996WO1996036159A1 Automated audio teleconferencing having billing and reservation features
1 ... 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 ... 999