calling dimension of prophet's Hadith

Abstract

This article sheds light on the communication side of prophet's Hadith Prophet Mohamed
peace be upon him invented a method of communication to know and unknown people in
different times .He used many styles in order to keep the influence and interaction on
interlocutor and the most important one was "calling" which respect all the communication
parts. So what is the importance of calling in prophet's Hadith and what are its objectives?