Includes bibliographical references (l. 60-61).The purpose of this study is to perceive the attitudes of Lebanese managers pertaining to the change in technology in the telephone sector. There has been an unrevealed concern regarding the efficiency and reliability of Lebanon's telephone network's new technology that prepares the network to meet expected future demand with great resolution, especially at a time when the public sector is suffering tremendously from inefficient administrative personnel systems, deteriorating performance. Chapter I presents some features regarding telephone sector's background, and its performance before, during, and after the destructive civil war. Chapter II is divided into two parts. The first one gives an o...