9. Use the " voice-mail "- answering machines.

In the West,  answering machines are more common than in Eastern Europe and India. When you call be prepared to leave a voice message with information about yourself and the issue on which you called. A pre-prepared script will help you avoid long pauses and clearly outline the issue and reason of your call. You want to give the person a good reason to good you back. If you want to leave contact information for customer feedback, dictate to them twice - at the beginning and end of the message.