With whats app voice call you can talk to your friends and family , even if they are in other countries.And with free video call you can talk face to face with your friends and family.Whatsapp voice and video call use your internet connection insted of your call plans , so you have to not worry about your expensive call plans chearges.Some of your important moment are shared on the whatsapp.Yours messages and call are being secured on whatsapp.So friends , use thise website without worring .