Can you make a telephone call? Of course you make it in Chinese. But the call in English is quite different from the one in Chinese. If you want to ask somebody to answer the telephone, you cannot say, " Please ask Mr/Mrs/Miss... to answer the telephone." Instead, you must say, " May I speak to Mr/Mrs/Miss..., please?" If you want to ask who is answering the telephone, you should say " Who is that?" or " Is that ...( somebody ) speaking?" instead of " Who are you ?". If you want to tell the other one who you are, you should say, " This is ...( somebody ) speaking." If you want to ask Mr. Li to answer the telephone, you should say, "  _  "
Who are you ? Ask Mr. Li to answer the telephone, please. May I speak to Mr. Li, please? Where is Mr. Li, please?