This document provides guidance on effective telephone communication and etiquette. It discusses the importance of being aware of one's communication over the phone at work, home or on a mobile device. Every phone call is an attempt at information exchange between two people, so observing proper telephone etiquette is important for effective communication. The document outlines best practices for answering calls, placing calls, transferring calls, putting callers on hold, handling multiple calls, ending calls, taking messages and dealing with angry or mistaken callers. It emphasizes speaking clearly, listening attentively, identifying oneself, avoiding distractions and using a polite tone.