Nowadays Telephone plays an inevitable role in people’s life. We know that for sudden and urgent responses, a phone call is the best mode. For example, if we want to talk with a person and he would be in the long distance then the apt way to contact him is by using a telephone. By choosing other modes of communication, like email, texting, etc it will be time-consuming and we cannot understand the respondent’s feelings and emotions. While we on the telephone, we can understand others emotions and that will help to increase the efficacy of the communication. Moreover, the development of advanced technology is really helpful for an easy communication. Like telephone provide conference calling option and make calls via Bluetooth. So the conference calling system will be beneficial for people who are looking for a talk with more than one person without any time issues. We can use the Bluetooth connection for making a call on driving.