Patents
Sitemap › H04 - Electric communication technique › H04M - Telephonic communication › H04M 3 - Automatic or semi-automatic exchanges
Patents for H04M 3 - Automatic or semi-automatic exchanges (99,881)
04/1998
04/01/1998EP0833491A2 Control method for a manager/secretary equipment
04/01/1998EP0833490A2 Toll free message response
04/01/1998EP0833489A2 Signal monitoring apparatus
04/01/1998EP0833488A1 Web-page interface to telephone features
04/01/1998EP0833303A2 Method and apparatus for performing database queries
04/01/1998EP0832540A1 Remote vocoding over a long distance link
04/01/1998EP0832532A1 Videophone interactive mailbox facility system and method of processing information
04/01/1998EP0832528A1 Reverse path allocation and contention resolution scheme for a broadband communications system
04/01/1998CN1178059A Method of communication and connection control
04/01/1998CN1178058A Information services provision and management
04/01/1998CN1177879A Method for identifying caller in telephone system
04/01/1998CA2186926A1 Customized telephone greeting system
03/1998
03/31/1998USRE35758 Voice/data-formatted telephone information storage and retrieval system
03/31/1998US5734867 Method, device, microprocessor and microprocessor memory for instantaneous preemption of packet data
03/31/1998US5734828 System for accessing/delivering on-line/information services via individualized environments using streamlined application sharing host and client services
03/31/1998US5734724 Audio communication control unit
03/31/1998US5734712 Method for off-hook detection during ringing and the use of a subscriber line interface circuit for off-hook detection during ringing
03/31/1998US5734710 Communication system having a service feature which can be activated and/or deactivated
03/31/1998US5734709 System for customer configuration of call routing in a telecommunications network
03/31/1998US5734708 Optimizing the capacity a telecommunication system
03/31/1998US5734706 Caller identification and data retrieval system
03/31/1998US5734700 System for call forwarding from a first communication network to a second remote communication network and a system for virtual extension of a mobile communication network by at least a second remote communication network
03/31/1998US5734697 Method and apparatus for improving telecommunications system performance
03/31/1998US5734696 Testing telecommunications equipment
03/31/1998US5734695 Telecommunication exchange comprising a processor system, and a processor system
03/31/1998US5734678 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
03/31/1998US5734651 Transaction message routing in digital communication networks
03/31/1998US5734542 Dual-line dual-voltage telecommunications surge protector
03/31/1998US5733131 Education and entertainment device with dynamic configuration and operation
03/30/1998CA2216840A1 A method of intercepting telecommunications
03/30/1998CA2216838A1 Telecommunications intercept system
03/28/1998CA2215424A1 Method of establishing a connection, as well as an exchange and a service control point
03/26/1998WO1998012892A1 Radio system forming a wireless subscriber interface
03/26/1998WO1998012890A2 Method and arrangement for rendering telecommunication operations and relations anonymous in telematic applications
03/26/1998WO1998012883A2 Global two-way paging using the internet
03/26/1998WO1998012860A1 Phone-to-phone internet phone exchange system
03/26/1998WO1998012859A1 Procedure for the management of a subscriber database in a telephone exchange
03/26/1998WO1998012856A1 Audio interface for telecommunications test system
03/26/1998WO1998012826A1 Signalling method and transmitter used in a digital radio system
03/26/1998WO1998012823A1 Method and apparatus for providing control channel communications for an information distribution system
03/26/1998WO1998012666A2 Method, machine and system for counting audiences
03/26/1998WO1998007288A3 Method and apparatus for establishing activation date for a cellular telephone
03/26/1998WO1998005138A3 Testing facility for a broadband communications system
03/26/1998WO1997048240A3 Programmable service architecture for call control processing
03/26/1998WO1997048239A3 Service control unit for call control processing
03/26/1998WO1997044961A3 System and method for total telecommunications service commissioning
03/26/1998DE19651963C1 Over-voltage detection method for subscriber line wires
03/26/1998DE19650833C1 Measurement apparatus for full-duplex two-wire transmission interface
03/26/1998CA2265685A1 Radio system forming a wireless subscriber interface
03/26/1998CA2215481A1 Signal monitoring apparatus
03/25/1998EP0831670A1 Telecommunication network based on distributed control
03/25/1998EP0831664A2 System and method for providing automated message notification in a wireless communication system
03/25/1998EP0831633A2 System and method for notifiying a user of waiting messages
03/25/1998EP0831632A2 Circuit arrangement for error indication in analogue subscriber lines of emergency telephone sets in digital TOM telephone exchanges
03/25/1998EP0831624A2 A modem
03/25/1998EP0830791A1 Resource availability in intelligent telecommunications networks
03/25/1998EP0830780A1 Voice processing system
03/25/1998EP0830779A1 Voice mail system
03/25/1998CN1177432A Flow control method for short message service-busy subscriber
03/25/1998CN1177241A Multi-function and self-adaption testing method and system for telephone wire
03/25/1998CN1177160A Alarm reporting apparatus
03/25/1998CN1177151A Method of providing limited access to preserve privacy within message system
03/24/1998US5732213 System and method of testing open systems interconnection (OSI) layers in telecommunication networks
03/24/1998US5732133 System and method for selecting and generating telephone access numbers for limiting access to a telephone service
03/24/1998US5732131 System and method for implementing local number portability
03/24/1998US5732126 Telephone answering overflow to electronic mail
03/24/1998US5732070 Communication control apparatus
03/19/1998WO1998011755A2 Process and device for increasing the reach of transmission paths between functional units of an isdn subscriber connection with a minimized band width
03/19/1998WO1998011744A1 Data service in a mobile communication network
03/19/1998WO1998011738A1 Telecommunications intelligent network
03/19/1998WO1998011709A2 Conference calling system and method for a wireless communications channel
03/19/1998WO1998011708A1 System and method for controlling telephone use
03/19/1998WO1998011519A1 Cashless payment by means of a mobile radio apparatus
03/19/1998WO1997044960A3 System and method for supporting and managing telecommunications services
03/19/1998DE19638072A1 Verfahren und Einrichtung zur Anonymisierung von Telekommunikationsvorgängen und -beziehungen bei Telematikanwendungen Method and apparatus for anonymization of telecommunications operations and relationships in telematics applications
03/19/1998DE19637530A1 Subscriber connection set=up control method
03/19/1998CA2265757A1 Conference calling system and method for a wireless communications channel
03/19/1998CA2265555A1 Process and device for increasing the reach of transmission paths between functional units of an isdn subscriber connection with a minimized band width
03/18/1998EP0830039A1 Telecommunications intelligent network
03/18/1998EP0829996A2 Correlating information between internet and call center environments
03/18/1998EP0829995A2 Lan telephone system
03/18/1998EP0829181A1 Method and system for setting up a speech connection in different networks
03/18/1998EP0829175A1 Arrangement and method in a mobile communication system for selecting a communication arrangement
03/18/1998EP0829166A1 Method and apparatus for controlling participant input in a conferencing environment
03/18/1998EP0829160A1 Multimedia document conferencing system
03/18/1998EP0829159A1 Telephonic voice message store and forward method
03/18/1998EP0829158A1 Telephony based delivery system of messages containing selected greetings
03/18/1998EP0829157A1 Method for setting up a telephone connection and an exchange system
03/18/1998EP0777944A4 Distributed service management system and method for personal communication services
03/18/1998CN1176550A Line arrangement of digital communication
03/18/1998CA2215770A1 A call recording system and method for use with a telephone switch
03/17/1998US5729601 Electronic exchange apparatus having separated exchange unit and general-purpose control unit
03/17/1998US5729600 Automatic call distributor with automated voice responsive call servicing system and method
03/17/1998US5729599 Method and system of forwarding calls in a remote access call forwarding service of a telephone system
03/17/1998US5729598 Telephone network with telecommuting features
03/17/1998US5729597 Service and information management system for a telecommunications network
03/17/1998US5729593 Annoucement system and method in a telephone call switching system
03/17/1998US5729592 Calling party identification announcement service
03/17/1998US5729588 Enhanced recording verification system
03/17/1998US5729536 Cellular system architectures supporting data services
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