Telephones are the main way of communication between humans in the modern era, especially after the widespread use of mobile phones and smartphones.
Alexander Graham Bell invented telephones.Bell was the first one to introduce the telephone apparatus in 1880.there was a massive widespread of telephones it reached three million by the year 1904. Telephones were used at the local level inside the country; the US had the highest number of phones. The US had many phone networks, but they were not interconnected. In January of 1927 first telephone line to cross the ocean was established.
Telephone symbol is used in typing to indicate phone numbers included in the text. It is usually placed before the number to show that it is a phone number.