Did you know that the following points are considered rude while on your phone?
*Eating or drinking
No one wants to hear you chewing or slurping
*Speaking loudly in public places (bus, coffee shop etc.)
No one wants to hear your conversation
*Hanging up the phone right away when you dial the wrong number.
Just say "Sorry, I have the wrong number."
*Answering your cell phone during a business meeting or job interviews.
You need to give priority to important meetings. Everything else can wait