| Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881) |
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| 08/27/1997 | EP0559712B1 Arrangement for connecting selectively a stationary subscriber apparatus to a neighbouring mobile subscriber apparatus with the aid of a telephone switchboard function |
| 08/27/1997 | CN1158207A Communication system and call establishment methods |
| 08/27/1997 | CN1158206A A flexible call record mechanism |
| 08/27/1997 | CN1158205A A method to structure call processing and a call sprocessing switching system for telephony |
| 08/27/1997 | CN1158204A A configuration method for a data management system |
| 08/27/1997 | CN1158199A Simplified multi-call processing |
| 08/27/1997 | CN1158198A An intelligent telecommunications network |
| 08/27/1997 | CN1158197A Method and apparatus for determining the deviation of longitudinal signal compounts from a predetermined value |
| 08/27/1997 | CN1158070A Apparatus for embodying combined time switching and conference calling functions |
| 08/27/1997 | CN1158041A Method for distributing checked communication network free agency communication terminal equipment |
| 08/27/1997 | CN1158038A 计算机网络电话系统 Computer network telephone system |
| 08/27/1997 | CN1158036A Circuit, systems and methods for providing resource allocation in commnication system |
| 08/26/1997 | US5661792 Completing telecommunications calls in a competitive local and toll enviroment |
| 08/26/1997 | US5661791 Method and apparatus for enhanced distinctive call redirection |
| 08/26/1997 | US5661790 Call back service for a regulatory restrictive area |
| 08/26/1997 | US5661788 Method and system for selectively alerting user and answering preferred telephone calls |
| 08/26/1997 | US5661787 System for on-demand remote access to a self-generating audio recording, storage, indexing and transaction system |
| 08/26/1997 | US5661785 Flexible telecommunications line interface |
| 08/26/1997 | US5661784 Method for operating an automatic ordering system in communication switching exchanges |
| 08/26/1997 | US5661782 Voice mail communication with call blocking |
| 08/26/1997 | US5661781 Message notification system for card users |
| 08/26/1997 | US5661779 Rapid response backup system for telecommunications networks |
| 08/26/1997 | US5661778 For use with a telephone communication network |
| 08/26/1997 | US5661777 Loop detection signal issuing circuit in subscriber circuit having on-hook transmission facility |
| 08/26/1997 | US5661776 Method and apparatus for performing impedance measurements on a communication line |
| 08/26/1997 | US5660881 Increasing the bonding strength with carbide substrate, reducing the cobalt concentration on outer layer by heating to evaporate and etching |
| 08/26/1997 | US5660176 Computerized medical diagnostic and treatment advice system |
| 08/26/1997 | CA2131294C Wideband telephone line interface circuit |
| 08/21/1997 | WO1997030559A1 Location based screening in a mobile telecommunications system |
| 08/21/1997 | WO1997030558A1 Digital button telephone system and extension terminal for the same |
| 08/21/1997 | WO1997030557A2 Device and process for the control of a telecommunication facility |
| 08/21/1997 | WO1997030555A2 Multiple application switching platform and method |
| 08/21/1997 | WO1997030542A1 Real-time, on-line, call verification system |
| 08/21/1997 | WO1997030541A1 Method to re-route a call |
| 08/21/1997 | WO1997030409A2 Method and apparatus for generating personal identification numbers for use in consumer promotions |
| 08/21/1997 | CA2193276A1 Method and apparatus for telephone call sub-billing |
| 08/20/1997 | EP0790733A2 System for the carrying out of interactive services between a central unit and a plurality of users |
| 08/20/1997 | EP0789977A1 Method for activating intelligent network services in a mobile communication system, and a mobile communication system |
| 08/20/1997 | EP0789974A1 Dynamically controlled routing using virtual destination nodes |
| 08/20/1997 | EP0789965A1 A method and a device for telecommunication |
| 08/20/1997 | EP0789964A2 Telecommunication system |
| 08/20/1997 | EP0789963A1 A network-based telephone system providing coordinated voice and data delivery |
| 08/20/1997 | EP0789961A2 Terminal |
| 08/20/1997 | EP0789956A1 Paging method using power shifted transmitters |
| 08/20/1997 | EP0587664B1 Communications network and method |
| 08/20/1997 | CN1157686A Resource separation in call and connection separated network |
| 08/20/1997 | CN1157685A Method for transfer of data files from mass storage device to post-processing system |
| 08/20/1997 | CN1157679A Process and device for transmitting audio signals between communication terminals |
| 08/20/1997 | CN1157542A Call processing method |
| 08/20/1997 | CN1157535A Interaction of routing features in telephone system |
| 08/20/1997 | CN1157521A Conferencing method for telephone switch system |
| 08/20/1997 | CN1157520A Dial pulse detector and detecting method for paging service for mechanical telephone subscriber |
| 08/19/1997 | US5659681 Bus monitor circuit for switching system |
| 08/19/1997 | US5659605 Method and apparatus for providing soft dial tone using office equipment designators |
| 08/19/1997 | US5659604 System and method for tracing a call through a telecommunications network |
| 08/19/1997 | US5659599 Message storage system network connected to a telephone network |
| 08/19/1997 | US5659597 Speech recognition system for electronic switches in a non-wireline communications network |
| 08/19/1997 | US5659596 System for location of communication end users |
| 08/19/1997 | US5659593 Detection of deviations in monitored patterns |
| 08/19/1997 | US5659570 Circuit and method for loopback test and on-hook transmission integrated in a telephone subscriber line interface circuit |
| 08/19/1997 | US5659544 Method and system for distributed control in wireless cellular and personal communication systems |
| 08/19/1997 | CA2078502C Extension agent system of isdn electronic exchange |
| 08/14/1997 | WO1997029610A1 Method and arrangement for limiting paging load in a mobile communication system |
| 08/14/1997 | WO1997029600A1 An emergency back-up system for enhancing reliability of rescue |
| 08/14/1997 | WO1997029585A1 Line cards for uvg, coin, isdn, and special services |
| 08/14/1997 | WO1997029581A1 Voice internet transmission system |
| 08/14/1997 | WO1997029580A1 Telecommunications networks |
| 08/14/1997 | WO1997029579A1 Service control point congestion control method |
| 08/14/1997 | WO1997023963A3 Telecommunication systems with call drop-out messaging activation |
| 08/14/1997 | CA2244000A1 Line cards for uvg, coin, isdn, and special services |
| 08/13/1997 | EP0789492A2 Multipoint video conference controlling method and system capable of synchronizing video and audio packets |
| 08/13/1997 | EP0789470A2 Gateway having connection to voice and data networks |
| 08/13/1997 | EP0789349A2 Pattern matching method and apparatus and telephone system |
| 08/13/1997 | EP0788706A1 Configurable telephone interface for electronic devices |
| 08/13/1997 | EP0788705A1 Method of synchronizing leds between a digital telephone and remote options |
| 08/13/1997 | EP0788704A2 A network based knowledgeable assistant |
| 08/13/1997 | EP0788687A1 Communication method and apparatus with transmission of a second signal during absence of a first one |
| 08/13/1997 | EP0757821A4 Temperature management for integrated circuits |
| 08/13/1997 | EP0651934B1 Method for controlling traffic in a communication network |
| 08/13/1997 | CN1157076A Conferencing system |
| 08/13/1997 | CN1157074A Device and method for cleaning telephone number list |
| 08/12/1997 | US5657451 System for determining whether to accept new supplementary services based upon identified types of supplementary service interactions and identified supplementary service interaction criteria |
| 08/12/1997 | US5657383 Flexible customer controlled telecommunications handling |
| 08/12/1997 | US5657382 Telecommunication system having capability of notifying the occurrence of forwarding of an incoming call to a terminal |
| 08/12/1997 | US5657377 Portable telephone user profiles |
| 08/12/1997 | US5657376 Architecture for voice messaging systems |
| 08/12/1997 | US5657375 Wireless digital personal communications system having voice/data/image two-way calling and intercell hand off provided through distributed logic |
| 08/12/1997 | US5657358 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or plurality of RF channels |
| 08/12/1997 | US5657250 Method for controlling operation and management subsystem in signalling message exchange No. 1 system |
| 08/12/1997 | CA2092332C Maintenance termination unit |
| 08/12/1997 | CA2090245C Line-based public safety answering point |
| 08/07/1997 | WO1997028658A2 Method and apparatus for providing a private communication system in a public switched telephone network |
| 08/07/1997 | WO1997028657A1 Method and system for changing a direction of establishing a telecommunication connection |
| 08/07/1997 | WO1997028655A1 Box or frame related line resistors |
| 08/07/1997 | WO1997028637A1 Integrated revenue domain for telecommunications networks |
| 08/07/1997 | WO1997028635A1 Apparatus and methods for coordinating telephone and data communications |
| 08/07/1997 | WO1997028634A1 Database access |
| 08/07/1997 | WO1997028632A1 Voice message based administration system |
| 08/07/1997 | WO1997028628A1 Hybrid network for real-time phone-to-phone voice communications |
| 08/07/1997 | WO1997028518A1 Wireless message delivery system |