Phone facts

Next time for when the phone in your office is ringing and its annoying tone is making you wish you had a telephone answering agent which could answer it, here are some interesting facts about phones and ringtones.

• Alexander Graham Bell is commonly credited as the inventor of the first telephone
• Martin Cooper was the inventor of the mobile phone
• The first ringtone was the classic Nokia ringtone which was written by Spanish classical guitarist and composer Francisco Tárrega in 1902
• The first mobile telephone call was placed on June 17 1946 in St. Louis, Missouri
• Text messaging contributes to 20% of the mobile operator revenues
• An iPhone handset has more processing power than the North American Air Defence Command in 1965