As a part of the exhibition there is a working demonstration unit consisting of manual telephone exchange (over 120 years old) and related inductor telephones for showing the underlying principles of telephony in the early stages of its development dating back in late 19th century.

The main focus of the exhibition is on celebrating the recently migration of HT services on the new All-IP based platform. The development is presented through wide arrays of used telephone switches and equipment, ranging from electromechanical to modern digital telephone exchanges.

Additionally, the students had the opportunity to see the recently disassembled electronic telephone exchange system (AXE) which was used for making significant steps towards the digitalization of the national telephone network.

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