Patents
Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881)
10/1995
10/25/1995EP0679004A2 Method for testing telephone exchanges or parts thereof and device for carrying out the method
10/25/1995EP0678231A1 Communications system
10/25/1995EP0678229A1 Wireless digital personal communications system
10/25/1995EP0647381A4 Call distributor.
10/25/1995CN1110849A Telephone call notification feature
10/24/1995US5461669 Telecommunication network with separate call control and connection control
10/24/1995US5461668 Telephonic console with programmable nonvolatile personality memory and method
10/24/1995US5461666 System and method for configuring a telephone
10/24/1995US5461665 Voice processing system
10/24/1995US5461662 Electronic exchange apparatus
10/19/1995WO1995024103A3 Accomplishing a register recall in a radio system
10/19/1995DE4411767A1 Activating access barrier in digital PABX
10/18/1995EP0677942A2 Conference bridge for speech packet networks
10/18/1995EP0677941A2 Method and apparatus for controlling transmission bandwidth between connectionless servers
10/18/1995CN1110493A Call transfer within cellular communications systems
10/18/1995CN1110449A Method and device for keeping telephone secret
10/18/1995CN1110448A Four-quadrant flyback ringing current generator
10/17/1995US5459781 Selectively activated dual tone multi-frequency detector
10/17/1995US5459780 Work at home agent ACD call distribution
10/17/1995US5459779 Method for switching telephone calls to information service providers
10/17/1995US5459778 Telephone exchange apparatus, and method of connecting calls therein
10/17/1995US5459775 Service system for interconnecting heterogeneous communication terminals, and communication node device and communication terminal used in the same
10/17/1995US5459772 External apparatus for monitoring a communication system
10/17/1995US5459721 Called equipment selection method in ISDN packet switching mode and packet switching system for digital network
10/17/1995US5459718 Cross connection by using a switch request flag in a digital signal fails before supply to cross connected switch units
10/17/1995US5459643 Electrically enhanced wiring block with break test capability
10/17/1995CA2062068C Call distributing service system for a plurality of terminals
10/17/1995CA2058286C Maintenance communication control system in an isdn service
10/12/1995WO1995027384A1 B-isdn access
10/12/1995WO1995027379A1 Cable management system with remote line testing
10/12/1995WO1995027360A1 Interactive voice response system
10/12/1995WO1995027359A2 Mobility in telecommunication networks
10/12/1995WO1995027350A1 Frequency agile broadband communications system
10/12/1995WO1995023475A3 Call control in a telecommunication system
10/12/1995DE4420430C1 Supplying operating voltage to subscriber line connections at exchange
10/12/1995DE4411739A1 Establishing external connections for telephone PBX
10/12/1995CA2186879A1 Frequency agile broadband communications system
10/11/1995EP0676905A2 Method of establishing a connection with a subscriber over a first network with service processor, switching device and terminal
10/11/1995EP0676884A2 Selective screening of incoming calls for cellular telephone systems
10/11/1995EP0676883A2 Method for recognizing spelled names or terms for communication exchanges
10/11/1995EP0676882A2 Speech recognition system with display for user's confirmation
10/11/1995EP0676118A1 Apparatus for automatically distributing calls between users and a fleet of mobile stations through a central station
10/11/1995EP0676111A1 Method and arrangement for testing services in a telecommunications system
10/11/1995CN1110042A 资源接入控制系统 Resource Access Control System
10/11/1995CN1110033A Telephone information service system using digital and out-of-band signaling
10/11/1995CN1110032A Personalized information services system
10/11/1995CN1030027C Dynamic callback technique
10/10/1995US5457785 CPU-independent and device-driver transparent system for translating a computer's internal bus signals onto an intermediate bus and further translating onto an expansion bus
10/10/1995US5457782 Digital signal processing circuit board having use for voice processing system
10/10/1995US5457780 System for producing a video-instruction set utilizing a real-time frame differential bit map and microblock subimages
10/10/1995US5457732 Method and apparatus for delivery of a response in a messaging system
10/10/1995US5457729 Communication network signalling system link monitor and test unit
10/10/1995US5457692 Calling method for communication terminal device
10/10/1995US5457685 Multi-speaker conferencing over narrowband channels
10/10/1995US5456608 Cross-connect system
10/09/1995CA2146082A1 Method of establishing a connection to a subscriber through a first network, as well as service computer, switching facility, and terminal
10/07/1995CA2143980A1 User display in speech recognition system
10/05/1995WO1995026510A1 A position determination method for use with analog cellular system
10/05/1995WO1995024090A3 Tracing with keys and locks on a telecommunication network
10/05/1995DE4411202A1 Information channel switching-in procedure for telephone subscriber appts.
10/05/1995DE4410043A1 Communication connection control procedure for programme-controlled exchange
10/04/1995EP0675625A1 Method of using telephone system to transmit certified messages
10/04/1995EP0675624A1 Telecommunication customer interface
10/04/1995EP0675459A2 Noncontact IC card, card reader/writer, and card system
10/04/1995EP0354224B1 Nitrogen-containing esters of carboxy-containing interpolymers
10/04/1995CN1109665A Complex personal communication of telephone and paging machine
10/03/1995US5455903 Object oriented customer information exchange system and method
10/03/1995US5455855 System for connecting public network subscriber and private network subscriber
10/03/1995US5455853 Method of creating a telecommunication service template
10/03/1995US5455852 In a Voice Messaging System
10/03/1995US5455851 System for identifying object locations
10/03/1995US5455829 Delay circuit for de-interleaving ISDN channels
10/03/1995CA2062102C Remote maintenance method and device thereof in private branch exchange system
10/03/1995CA2059078C Mediation of transactions by a communications system
10/01/1995CA2120479A1 Method of using telephone system to transmit certified messages
09/1995
09/28/1995WO1995026092A1 A call processing system
09/28/1995WO1995026091A1 Method and system for routing phone calls based on voice and data transport capability
09/28/1995WO1995026088A1 Multi-media interface
09/27/1995EP0674419A2 Communication system for processing caller ID information
09/27/1995EP0674418A2 Automatic call distributor with telephonic call holding system
09/27/1995CN1109248A Intelligent call processing based upon complete identification of calling station
09/27/1995CN1029901C Method of managing, in a telecommunication network, user data of a use R who may move from a base work area associated with a base exchange to anothers work area associated
09/26/1995US5454036 Attended messaging machine
09/26/1995US5454034 Method of routing signaling messages
09/26/1995US5454033 Apparatus and method for controlling access to a telephone
09/26/1995US5454032 Method of establishing communication link to one of multiple devices associated with single telephone number
09/26/1995US5454030 Network of voice and/or fax mail systems
09/26/1995US5453990 Switching circuit having error detection capability
09/26/1995US5453986 Dual port interface for a computer-based multifunction personal communication system
09/26/1995US5453976 For adaptive cancellation of echoes
09/26/1995CA2065248C Digital communication system for integrated services telephone installations
09/23/1995CA2143076A1 Communication system for processing caller id information
09/21/1995WO1995025405A1 Test port for network interface device module
09/21/1995WO1995025398A1 A telephone access system
09/21/1995WO1995023473A3 Method to identify clients and method for using a teleterminal device
09/21/1995CA2185449A1 Test port for network interface device module
09/20/1995EP0673162A2 Communication system
09/20/1995EP0673145A1 Telecommunication system and telecommunication terminal
09/20/1995EP0673144A2 Call registration system for personal communication services
09/20/1995EP0673142A2 Telecommunication terminal