Walter Keller

METHOD, TERMINAL DEVICE, AND SYSTEM FOR ESTABLISHING A COMMUNICATION BETWEEN A FIRST PARTY AND A SECOND PARTY

METHOD, SYSTEM, COMMUNICATIONS NETWORK AND COMPUTER PROGRAM PRODUCT FOR TRANSMITTING INFORMATION IN A COMMUNICATIONS NETWORK

Method for the display of standardized large-format internet pages with for example HTML protocol on hand-held devices with a mobile radio connection

Method for coupling online and internet services

METHOD, NAVIGATION DEVICE, SYSTEM AND COMPUTER PROGRAM PRODUCT FOR USING A NAVIGATION APPLICATION

CHIP CARD HAVING TRANSMITTING AND RECEIVING DEVICE, AND ANTENNA FOR RADIO TRANSMISSIONS

DSL METHOD HAVING VARIABLE UPLOAD/DOWNLOAD BIT RATE AND APPLICATION-SPECIFIC DYNAMIC PROFILE SWITCHING

Method for effecting the preventive and/or current display of transmission costs during the transmission of internet and online data

Method for carrying out monitoring in packet-oriented telecommunication and data networks

System and method for notification of transmission and service costs of using telecommunication network

Method and arrangement for the improved exploitation of technical resources between telecommunications networks and IP-networks

Method for the user-initiated automatic subscription

Method for automatically handling undesired electronic mail in communication networks at the recipient end

Method for using alphanumerical signs as a call number