Hotel staff must observe the following etiquettes while answering phone calls: 1. Answer promptly: Pick up the call within 2-3 rings. 2. Greet politely: Use professional greetings like ”Good morning, this is XYZ Hotel. How may I assist you?” 3. Listen actively: Pay attention to the caller’s request without interruptions. 4. Speak clearly: Use a calm tone with clear pronunciation. 5. Offer solutions: Respond courteously and provide accurate information.