Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881) |
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12/07/1999 | US5999526 Method and apparatus for delivering data from an information provider using the public switched network |
12/07/1999 | US5999516 Multiplex communication equipment and communication test method thereof |
12/07/1999 | US5999103 Method and system for assigning spare transmission links to restoral routes |
12/07/1999 | CA2192502C Universal message delivery system |
12/07/1999 | CA2170670C Method and apparatus for providing interswitch handover in personal communication services systems |
12/02/1999 | WO1999062290A1 Spectrum monitoring for pstn subscribers |
12/02/1999 | WO1999062289A1 Communications webs with personal communications links for pstn subscribers |
12/02/1999 | WO1999062274A1 Routing optimisation for redirection services |
12/02/1999 | WO1999062253A2 Scalable audio coder and decoder |
12/02/1999 | WO1999062189A2 System and method for masking quantization noise of audio signals |
12/02/1999 | WO1999062188A2 Apparatus and method for testing a telecommunications system |
12/02/1999 | WO1999062158A1 Low capacitance surge protector for high speed data transmission |
12/02/1999 | WO1999062052A2 System and method for entropy encoding quantized transform coefficients of a signal |
12/02/1999 | WO1999061966A2 A method for transmitting multimedia messages and a multimedia message communication system |
12/02/1999 | WO1999055111A3 Procedure and system for indicating a call in hold state in a telecommunication system |
12/02/1999 | WO1999053699A3 System and procedure for implementing an answering service |
12/02/1999 | WO1999049617A3 The quotient algorithm in monitoring disturbance processes |
12/02/1999 | WO1999046924B1 Call returning service |
12/02/1999 | DE19923958A1 Voice mail system |
12/02/1999 | DE19919976A1 Verfahren und Vorrichtung zum Übertragen eines eingebetteten Nebenstellensystems auf einen Personalcomputer Method and apparatus for transmitting an embedded private branch system to a personal computer |
12/02/1999 | CA2333075A1 Apparatus and method for testing a telecommunications system |
12/02/1999 | CA2330381A1 Communications webs with personal communications links for pstn subscribers |
12/02/1999 | CA2330375A1 Spectrum monitoring for pstn subscribers |
12/01/1999 | EP0961517A1 Apparatus capable of accessing analog, ISDN and XDSL access networks to ATM network |
12/01/1999 | EP0961507A2 Extension of an AIN/IN SSP |
12/01/1999 | EP0961499A1 Predictive coding method and decoding method for dynamic image |
12/01/1999 | EP0961469A2 Method of multi-media transaction processing by automatic call distributors |
12/01/1999 | EP0961468A2 Communication apparatus and communication method |
12/01/1999 | EP0961467A1 Apparatus and method for testing a telecommunications system |
12/01/1999 | EP0961462A2 Radio communication apparatus capable of updating a menu of services with dial information |
12/01/1999 | EP0961449A2 Digital subscriber line communicating system |
12/01/1999 | EP0961447A1 Automatic e-mail notification system |
12/01/1999 | EP0961263A2 A method and a device for recognising speech |
12/01/1999 | EP0960539A2 Handling of forwarded calls |
12/01/1999 | EP0960522A1 Information system |
12/01/1999 | EP0960520A1 Method for automatically adapting levels of signals exchanged in a communication network |
12/01/1999 | EP0960519A1 A reliable telecommunication network including telephone exchanges and databases |
12/01/1999 | EP0960518A2 Circuit-switched call setup using a packet-switched address such as an internet address or the like |
12/01/1999 | EP0937352A4 Interactive information transaction processing system with universal telephony gateway capabilities |
12/01/1999 | EP0749663B1 Telecommunications switch with improved redundancy |
12/01/1999 | EP0713625A4 An audio processing system for teleconferencing |
12/01/1999 | EP0707768A4 Temperature compensation for trans-hybrid loss in a miniaturized data access arrangement |
12/01/1999 | EP0692170B1 A group call method, a system controller and a subscriber station in a radio system |
12/01/1999 | CN1237315A Address retrieval system |
12/01/1999 | CN1237304A Conference calling system and method for wireless communications channel |
12/01/1999 | CN1237303A Fault management system for telecommunications network |
12/01/1999 | CN1237059A Method and mobile switching centre for translating numbers according to regions in cellular telecommunications network |
12/01/1999 | CN1047035C Method for recovering faulty unit and recovery system |
11/30/1999 | USRE36416 Method and apparatus for dynamic and interdependent processing of inbound calls and outbound calls |
11/30/1999 | US5996019 Network link access scheduling using a plurality of prioritized lists containing queue identifiers |
11/30/1999 | US5996009 System and method for administering a network having hierarchically organized managed objects |
11/30/1999 | US5996006 Internet-audiotext electronic advertising system with enhanced matching and notification |
11/30/1999 | US5996003 Conferencing system, terminal apparatus communication method and storage medium for storing the method |
11/30/1999 | US5995926 Technique for effectively recognizing sequence of digits in voice dialing |
11/30/1999 | US5995830 System and method for processing dropped calls |
11/30/1999 | US5995828 Portable handy phone system |
11/30/1999 | US5995827 Method of muting a non-speaking cellular telephone caller participating in a conference call |
11/30/1999 | US5995826 Methods for conditional tone responsive reconnection to directory assistance center |
11/30/1999 | US5995824 Cellular phone voice recorder |
11/30/1999 | US5995823 Method and system in a wireless communications network for providing toll restrictions based on the geographic location of an originator |
11/30/1999 | US5995822 Method for handling parallel transactions on telephone pre-paid accounts |
11/30/1999 | US5995617 Connector block mountable connector and telephone circuit |
11/30/1999 | US5995615 External positivistic forward transfer in call-routing systems |
11/30/1999 | US5995614 Dynamic requeing to avoid latency in call-routing systems |
11/30/1999 | US5995610 Cooperative call processing across public and private intelligent networks |
11/30/1999 | US5995608 Method and apparatus for on-demand teleconferencing |
11/30/1999 | US5995607 Enhanced telephony trunk routing |
11/30/1999 | US5995605 Method and network for providing access to an information network |
11/30/1999 | US5995596 System and method for coordination of multimedia messages across multiple systems |
11/30/1999 | US5995595 Method of sharing and transferring information between ISDN telephones |
11/30/1999 | US5995594 System and method for message notification in a multimedia messaging system |
11/30/1999 | US5995587 Method of controlling time switch for diagnosing failure on call path |
11/30/1999 | US5995567 Radio frequency noise canceller |
11/30/1999 | US5995494 Data communication using network DCE and modified channel associated signaling |
11/30/1999 | US5995491 Method and apparatus for multiple media digital communication system |
11/30/1999 | US5995485 Method and apparatus for isolating network failures by correlating paths issuing alarms with failure spans |
11/30/1999 | CA2269850A1 Method for computer internet remote management of a telecommunication network element |
11/30/1999 | CA2192499C Universal directory service |
11/30/1999 | CA2179215C Video messaging arrangement |
11/29/1999 | CA2511594A1 System and method for pushing information from a host system to a mobile data communication device |
11/29/1999 | CA2269567A1 Method and apparatus for delivering personalized broadcast messages |
11/26/1999 | CA2273115A1 Method of multi-media transaction processing |
11/25/1999 | WO1999060813A2 Methods and apparatus for integrating voice and data systems |
11/25/1999 | WO1999060801A1 Intelligent network and packet data network interoperability |
11/25/1999 | WO1999060799A1 Method for updating call control and for controlling incoming calls |
11/25/1999 | WO1999060767A1 Dialler |
11/25/1999 | WO1999060766A1 (human) resource allocation in (call centre) task management |
11/25/1999 | WO1999060708A2 Method and arrangement for real-time transmission of compressed data |
11/25/1999 | WO1999028979A3 Digital phone system |
11/25/1999 | DE19822796A1 Real-time transmission method for compressed data |
11/24/1999 | EP0959637A2 Congestion tolerant home location register controller |
11/24/1999 | EP0959605A1 Telephone handset and telephone set for facilitating access to answering machines |
11/24/1999 | EP0959593A2 Method of completing long distance POTS calls with IP telephony endpoints |
11/24/1999 | EP0959587A2 Method for creating and modifying similar and dissimilar databases for use in network configuration for use in telecommunication systems |
11/24/1999 | EP0959585A2 A dynamically scalable conference system |
11/24/1999 | EP0958692A1 Voice-data interface |
11/24/1999 | EP0958691A1 How to display on a terminal equipment the names of the options offered to the user |
11/24/1999 | EP0958690A2 Remote data gateway |
11/24/1999 | EP0958689A2 System and method for call park and transfer in a telecommunications network |
11/24/1999 | EP0958684A1 Internet-ss7 gateway |