Home Task 4: Digital Systems A History of the Telephone A History of the Telephone By zoecampbell78. Published on July 25, 2019. 0 This worksheet activity utilises a great BBC timeline to help students learn about how telephones have changed over time.https://www.bbc.com/timelines/zfyfy4j#zn3bgdm Share this:TwitterFacebookLike this:Like Loading... + There are no comments Add yours Cancel replyYou must be logged in to post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.