The Multiple Functionalities Of Modern Telephones
One problem with telephones is that you cannot keep it on vibration mode so that you or anyone else may not be bothered by the sound of incoming calls. It is not something that you can carry always with you. So, the idea of having the vibration mode is simply ridiculous. Then how do you understand when someone makes a call to your telephone; certainly by listening to the ringing sound! Yes, it is the ringtone of your phone that alerts you of any incoming call.
