“Mr. Watson, I want you here”, Alexander Graham Bell knew so well that he has created a revolution when he said these words after testing his telephone experiment. It was the first of its kind and an invention that revolutionized the way we communicate with people separated by geographic distances and barriers. Years after its invention, telephones have penetrated almost every nook and corner of this world and a large proportion of  these connections are landline phones. Once a luxury, telephones aremore of a habit now, indispensible requirement of any 20th century citizen.