On This Day in Telephone History May 14TH 1883 May 14, 2024 by The Telephone Museum On This Day in Telephone History May 14TH 1883 The Adelaide Telephone Exchange Opened With 48 Subscribers. You shop. Amazon gives. Amazon donates 0.5% of the price of your eligible AmazonSmile purchases to The Telephone Museum, Inc. AmazonSmile is the same Amazon you know. Same products, same prices, same service. Support us by starting your shopping at smile.amazon.com