Dieter Hemkemeyer

Apparatus and method for forwarding messages to terminals of various communication media

Method and arrangement for accessing a first terminal in a first communication network from a second communication node in a second communication network

Method and Unit Used to Determine Useable Services

Method for providing performance characteristics on demand

Method for forwarding signalling messages and corresponding components

Method to control and/or to monitor from minimum two communicationsystems

Method and devices for controlling and operating electrical devices having different functions

Communication network terminal containing two interface structures each for communication nodes, at least first application using first interface structure

Communications terminal comprising two interface structures

Electrical device e.g. television set, controlling and operating method for e.g. office, involves determining need of control and operating functions in device, and loading determined functions by protocol and based on need at memory