Address: 1st district, Úri utca. 49
How to get there: Várbusz, Bus 16
Open: 10am-6pm Apr 1-Oct31, 10am-4pm Nov 1-Mar 31, Closed on Mondays
The small museum in the Buda Castle District charts the history of the telephone through the ages. The collection includes a fully working antique switchboard, along with various interactive displays.