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