| Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881) |
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| 02/26/1997 | CN1143876A Method and system for intercepting malicious calling and automatically notifying user |
| 02/26/1997 | CN1143875A Operational support system translation mechanism resident in craftsperson's portable test and communications device |
| 02/25/1997 | US5606604 System and method for preventing fraud upon PBX through a remote maintenance or administration port |
| 02/25/1997 | US5606602 Bidding for telecommunications traffic |
| 02/25/1997 | US5606600 Generalized statistics engine for telephone network employing a network information concentrator |
| 02/25/1997 | US5606595 Equal access to inter-exchange carriers in a mobile wireless packet data communication system |
| 02/25/1997 | US5606593 Apparatus and method for automatically returning a telephone set to an on-hook condition |
| 02/25/1997 | US5606592 Method and apparatus for analyzing resistive faults on telephones cables |
| 02/25/1997 | US5606489 Ganged IROB in range out of building protector |
| 02/25/1997 | US5606361 Videophone interactive mailbox facility system and method of processing information |
| 02/25/1997 | CA2061697C Two-way paging system with answer-back function |
| 02/22/1997 | CA2183701A1 Selective calling receiver |
| 02/20/1997 | WO1997006645A1 Route finding in communications networks |
| 02/20/1997 | WO1997006644A1 Route finding in communications networks |
| 02/20/1997 | WO1997006643A1 Route finding in communications networks |
| 02/20/1997 | WO1997006632A1 Integrated computer and image reproduction system |
| 02/20/1997 | WO1997006625A1 Arrangement for computer-controlled telephony and public server in addition |
| 02/20/1997 | WO1997006479A2 Computerized interactor systems and methods for providing same |
| 02/20/1997 | DE19549014C1 Protected function activation method for communication system |
| 02/19/1997 | EP0758829A2 Method for improving the operation of a program controlled communication system |
| 02/19/1997 | EP0758517A1 Service provision system for communications networks |
| 02/19/1997 | EP0758508A1 Communications system and method for operating same |
| 02/19/1997 | EP0758506A1 An improved modem to support multiple site call conferenced data communications |
| 02/18/1997 | US5604796 Method for automatically controlling a call-waiting-interruption restriction and switching system |
| 02/18/1997 | US5604795 Communication method and apparatus for providing terminal information to a line connected to plural networks |
| 02/18/1997 | US5604793 Tone blocking using variable delay buffer |
| 02/18/1997 | US5604792 Call screening method |
| 02/18/1997 | US5604785 Remotely actuated switch and protection circuit |
| 02/18/1997 | US5604740 Multi-path bus digital signal processor |
| 02/18/1997 | US5604738 Multipoint teleconference system employing H. 221 frames |
| 02/18/1997 | US5604737 Voice communication system and voice communication method |
| 02/18/1997 | US5604342 Noncontact card and card system |
| 02/18/1997 | CA2140680C Ringing circuit for use in portable telephone set |
| 02/18/1997 | CA2105376C Telephone line interface circuit with voltage switching |
| 02/18/1997 | CA2100139C Information display provided to calling party |
| 02/13/1997 | WO1997005754A1 Process for converting a point-to-point multimedia call to a bridged multimedia call |
| 02/13/1997 | WO1997005733A1 Multimedia telemanaging system |
| 02/13/1997 | WO1997005730A1 Assessment of signal quality |
| 02/13/1997 | WO1997002671A3 System for coupling telephony signals transmitted through a broadband communications network to a telephony network interface |
| 02/13/1997 | WO1996034471A3 Fraud resistant remote purchasing system |
| 02/13/1997 | WO1996009728A3 Method and arrangement for resolving performance feature interactions in a communication system |
| 02/12/1997 | EP0758175A1 Communication switching system and communication switching method |
| 02/12/1997 | EP0757877A1 Telecommunication system |
| 02/12/1997 | EP0757869A1 Process for activating a mailbox message notification in a communications terminal |
| 02/12/1997 | EP0757868A1 Methods and apparatus for automating telephone directory assistance functions |
| 02/12/1997 | EP0757821A1 Temperature management for integrated circuits |
| 02/12/1997 | CN1142871A Funds transaction device |
| 02/12/1997 | CN1142720A Variable communication bandwidth for conference call initiation |
| 02/11/1997 | US5602911 System and method for eliminating bell tap on analog telephones |
| 02/11/1997 | US5602910 Control apparatus for switching station connections using a holding tone |
| 02/11/1997 | US5602909 Number portability using database query |
| 02/11/1997 | US5602840 Program-controlled ISDN switching system with a program module constructed in accordance with the principles of object-oriented programming for the handling of switched connections |
| 02/11/1997 | US5602837 Multiplex system for a personal handy phone system |
| 02/11/1997 | US5602828 Protect path switching in a performance monitoring and test system |
| 02/11/1997 | US5602750 Administrative computer and testing apparatus |
| 02/11/1997 | US5602532 Audio coupled annunciating system for electrical panel boxes |
| 02/11/1997 | US5601460 Gel filled modular electrical connecting block |
| 02/06/1997 | WO1997004615A1 Mobile telephone system |
| 02/06/1997 | WO1997004611A1 Distributing network services and resources in a mobile communications network |
| 02/06/1997 | WO1997004606A1 A method and apparatus for controlling call acceptance in a telecommunications network |
| 02/06/1997 | WO1997004605A1 System and method for optimal virtual path capacity dimensioning with broadband traffic |
| 02/06/1997 | WO1997004604A1 System and method for adaptive routing on a virtual path broadband network |
| 02/06/1997 | WO1997004603A1 System and method for optimal logical network capacity demensioning with broadband traffic |
| 02/06/1997 | WO1997004577A1 Loudspeaking telephone systems |
| 02/06/1997 | WO1997004576A2 Functionality of terminal devices |
| 02/06/1997 | WO1997004575A1 Extended chip select reset apparatus and method |
| 02/06/1997 | WO1997004574A2 Telephone exchange |
| 02/06/1997 | WO1997004571A1 Method and apparatus for emulating a circuit connection in a cell based communications network |
| 02/06/1997 | WO1997004570A1 Controlling bandwidth allocation using a pace counter |
| 02/06/1997 | WO1997004569A1 Port and link identification |
| 02/06/1997 | WO1997004568A1 Asynchronous transfer mode based service consolidation switch |
| 02/06/1997 | WO1997004567A1 Method and apparatus for discarding frames in a communications device |
| 02/06/1997 | WO1997004566A1 Converting between an internal cell and multiple standard asynchronous transfer mode cells |
| 02/06/1997 | WO1997004565A1 Priority arbitration for point-to-point and multipoint transmission |
| 02/06/1997 | WO1997004564A1 Allocated and dynamic bandwidth management |
| 02/06/1997 | WO1997004563A1 Joint flow control mechanism in a telecommunications network |
| 02/06/1997 | WO1997004562A1 Point-to-multipoint arbitration |
| 02/06/1997 | WO1997004561A1 Link scheduling |
| 02/06/1997 | WO1997004560A1 Mapping a data cell in a communication switch |
| 02/06/1997 | WO1997004559A1 Switch fabric controller comparator system and method |
| 02/06/1997 | WO1997004558A1 Linked-list structures for multiple levels of control in an atm switch |
| 02/06/1997 | WO1997004557A1 Minimum guaranteed cell rate method and apparatus |
| 02/06/1997 | WO1997004556A1 Link buffer sharing method and apparatus |
| 02/06/1997 | WO1997004555A1 Method and apparatus for queuing data in a communications device |
| 02/06/1997 | WO1997004554A1 Method and system for controlling network service parameters in a cell based communications network |
| 02/06/1997 | WO1997004552A1 Point-to-multipoint transmission using subqueues |
| 02/06/1997 | WO1997004549A1 Hierarchical resource management |
| 02/06/1997 | WO1997004548A1 Redundant switch system and method of operation |
| 02/06/1997 | WO1997004546A1 Method and apparatus for reducing information loss in a communications network |
| 02/06/1997 | WO1997004544A1 Network switch utilizing centralized and partitioned memory for connection topology information storage |
| 02/06/1997 | WO1997004543A2 Allocated and dynamic switch flow control |
| 02/06/1997 | WO1997004542A2 Multipoint-to-point arbitration in a network switch |
| 02/06/1997 | WO1997004541A2 Multipoint to multipoint processing in a network switch having data buffering queues |
| 02/06/1997 | WO1997004537A1 Power line telephone communications system having on hook digital voiceband messaging |
| 02/06/1997 | WO1997004397A1 Serial control and data interconnect system using a crossbar switch and a multipoint topology |
| 02/06/1997 | WO1997003549A2 Prioritized access to shared buffers |
| 02/06/1997 | CA2227556A1 Distributing network services and resources in a mobile communications network |
| 02/06/1997 | CA2226846A1 System and method for optimal logical network capacity dimensioning with broadband traffic |
| 02/06/1997 | CA2226755A1 System and method for adaptive routing on a virtual path broadband network |
| 02/06/1997 | CA2226480A1 System and method for optimal virtual path capacity dimensioning with broadband traffic |