Telephone

The telephone is an important means of communication when we want to talk to anyone we can dial his telephone number and talk to him it take little time to talk to people. we can also listen to their replies it saves time and energy and money the telephone is a very useful gadget we can find it in almost all homes and office the telephones can also perform other functions such as sending SMS Voicemail video chatting etc after the mobile phone has been invent almost everybody has a mobile telephone in his pocket it helps to keep in contact with other people at all the times and places. The telephone has become an everyday necessity for us. 

Mobile phone have some advantage and disadvantage...