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)
03/1998
03/17/1998US5729532 Selective participation in a multimedia communication conference call
03/12/1998WO1998010614A1 Roaming process and pertaining devices
03/12/1998WO1998010597A2 Personal feedback browser
03/12/1998WO1998010576A2 Interactive telecommunications
03/12/1998WO1998010575A1 Information communication method, information communication equipment at information communication center, information communication terminal equipment, and medium containing information communication program recorded thereon
03/12/1998WO1998010574A1 A telecommunications system and method for automatic call recognition and distribution
03/12/1998WO1998010573A2 System and method for providing user connectivity to a remote data site
03/12/1998WO1998010564A1 Buffer for connection data
03/12/1998WO1998010558A1 Method and system for establishing and maintaining user-controlled anonymous communications
03/12/1998WO1998010556A2 Improvements in, or relating to, multi-carrier transmission systems
03/12/1998WO1998010554A2 Improvements in, or relating to, multi-carrier transmission systems
03/12/1998WO1998010553A2 Improvements in, or relating to, control channels for telecommunications transmission systems
03/12/1998WO1998010552A2 Improvements in, or relating to, multi-carrier transmission systems
03/12/1998WO1998010551A2 Improvements in, or relating to, multi-carrier transmission systems
03/12/1998WO1998010550A2 Improvements in, or relating to, multi-carrier transmission systems
03/12/1998WO1998010549A2 Improvements in, or relating to, multi-carrier transmission systems
03/12/1998WO1998010548A2 Improvements in, or relating to, multi-carrier transmission systems
03/12/1998WO1998010547A2 Improvements in, or relating to, multi-carrier transmission systems
03/12/1998WO1997044944A3 Teleconferencing system
03/12/1998DE19743208A1 Communication system for facility control
03/12/1998DE19636411A1 Individual assignment method especially for pager
03/12/1998DE19635610A1 Kartentelefonapparat mit Telefonkarte für Werbezwecke Tickets telephone set with calling card for advertising purposes
03/12/1998DE19635329A1 Verfahren zum Einbeziehen von Funktionen eines automatischen Anrufverteilungs-Systems in ein interaktives Sprachbeantwortungs-System Method for including functions of an automatic call distribution system in an interactive voice response system
03/11/1998EP0828401A2 Circuit for digital data transfer
03/11/1998EP0828363A2 Multicode modem with a plurality of analogue front ends
03/11/1998EP0827665A2 Network based multimedia messaging method for non-ccitt compliant switches
03/11/1998EP0827664A1 Method and apparatus for informing a user of message status in a communication device
03/11/1998EP0827663A1 Data conferencing between remotely located participants
03/11/1998EP0806115A4 Teleconferencing method and system
03/11/1998EP0667084B1 Information transmission system
03/11/1998CN1176033A Method for indicating waiting voice message to tepephone subscriber
03/11/1998CN1175877A Method of connection between base station managing devices and network management center
03/11/1998CN1175839A Equipment for dialling calling subscriber ID information group code and receiving waiting calling subscriber ID signal call
03/10/1998US5727075 Multipoint communication apparatus with reduced number of audio decoders
03/10/1998US5727057 Storage, transmission, communication and access to geographical positioning data linked with standard telephony numbering and encoded for use in telecommunications and related services
03/10/1998US5727051 System and method for adaptive routing on a virtual path broadband network
03/10/1998US5727048 Multimedia communication system with a multimedia server to terminals via a public network
03/10/1998US5727031 Adaptive gain controller
03/10/1998US5726975 Switching system capable of performing alternative routing in accordance with an alternative routing scenario assembled in a maintenance terminal
03/10/1998US5726972 Location identification in a communications signalling network
03/10/1998US5726853 High voltage protection circuit for telephone test set
03/10/1998US5726635 Mount-assisting apparatus in electronic equipment
03/10/1998US5725384 Questionnaire agency system and method for conducting questionnaire on people who meet conditions
03/10/1998CA2109394C Path hunt for efficient broadcast and multicast connections in multi-stage switching fabrics
03/05/1998WO1998009464A2 System and method for subscriber activity supervision
03/05/1998WO1998009451A1 An opinion poll utilizing a wireless data transmission connection
03/05/1998WO1998009425A1 Method and apparatus for routing calls by remote control
03/05/1998WO1998009424A2 Process for including functions of an automatic call distributor system in an interactive voice response system
03/05/1998WO1998009423A2 System and method for ip-activated call setup
03/05/1998WO1998009422A2 System and method for controlled media conversion in an intelligent network
03/05/1998WO1998009421A2 System and method for incoming and outgoing interrogations for store-and-forward services
03/05/1998WO1998009416A1 Distributed architecture for an intelligent networking coprocessor
03/05/1998WO1998009403A2 Communications network
03/05/1998WO1998009250A1 Card telephone apparatus with telephone card for publicity purposes
03/05/1998WO1998009236A2 Monitoring of load situation in a service database system
03/05/1998WO1998009235A2 Event recording in a service database system
03/05/1998WO1998009234A2 Event recording in a service database system
03/05/1998WO1998009233A2 Event recording in a service database system
03/05/1998WO1998009232A2 Event recording in a service database system
03/05/1998WO1998009231A2 Event recording in a service database system
03/05/1998WO1998009230A2 Event recording in a service database system
03/05/1998WO1998005177A3 Call conference within a home zone
03/05/1998WO1998005174A3 System and method of dynamic allocation of redundant peripheral equipment gateways in a radio telecommunications network
03/05/1998WO1998005173A3 System and method of calling a single mobile telephone through multiple directory numbers in a radio telecommunications network
03/05/1998DE19737826A1 Internet server process forming web-site page
03/05/1998CA2264264A1 System and method for controlled media conversion in an intelligent network
03/05/1998CA2264241A1 System and method for ip-activated call setup
03/05/1998CA2264240A1 System and method for incoming and outgoing interrogations for store-and-forward services
03/05/1998CA2263996A1 Event recording in a service database system
03/05/1998CA2263598A1 Event recording in a service database system
03/05/1998CA2263597A1 Event recording in a service database system
03/05/1998CA2263596A1 Monitoring of load situation in a service database system
03/05/1998CA2263595A1 Event recording in a service database system
03/05/1998CA2263594A1 Event recording in a service database system
03/05/1998CA2263593A1 Event recording in a service database system
03/05/1998CA2215005A1 Circuit arrangement for digital telecommunications
03/04/1998EP0827321A2 Device and system for phonic advertising on telephone terminals
03/04/1998EP0827320A2 Voice menu optimization method and system
03/04/1998EP0827319A2 Global title translation in a telecommunications signalling network supporting number portability
03/04/1998EP0827317A2 System for and method of mutually monitoring information guidance units interconnected to telephone lines
03/04/1998EP0827316A2 A device for protecting a telecommunications apparatus
03/04/1998EP0767936A4 Micro personal digital assistant
03/04/1998EP0615662B1 Gel filled electrical connector
03/04/1998EP0565671B1 A method of converging an echo canceller
03/04/1998CN1175341A Unstructured supplementary service data from a home location register to an external node
03/04/1998CN1175336A Method and apparatus for informing a user of message status in a comunication device
03/04/1998CN1175332A Method for avoiding interference in a cable telephony system
03/04/1998CN1175175A Digital Wireless telephone system with improved calling and interconnecting service
03/04/1998CN1175154A Fee counting method
03/04/1998CN1175153A Method and equipment for transmitting main calling information on analog subscriber line
03/04/1998CN1175152A Intensified delayed information business
03/03/1998USH1714 Automatic still image transmission upon call connection
03/03/1998US5724659 Multi-mode variable bandwidth repeater switch and method therefor
03/03/1998US5724658 Call routing to wireless roamers in mobile telecommunication systems
03/03/1998US5724511 Remote maintenance control system
03/03/1998US5724481 Method for automatic speech recognition of arbitrary spoken words
03/03/1998US5724421 Telephone network interface apparatus
03/03/1998US5724420 Automatic call distribution with answer machine detection apparatus and method
03/03/1998US5724419 Call overflow system and method for an automatic call distribution system
03/03/1998US5724418 Call distributor
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