In our laboratories the students are numerous measurement and experimental work for the practical implementation of the truths discussed during the lectures theoretical bases available. Among other basic knowledge of instrumentation and a subject-specific preparation is required. In internships, among other themes of telephony, ranging from history to Internet-based solutions, in the foreground. A major focus is on the method of data transmission as well as for the digital modulation. Dealing with voice-processing systems, as well as work in the AV Studio complement the range of services. The following tests are in the download section (BTU account required).