How do you make a telephone call in English? Do you know? Let me tell you. If you want to ask someone to come to the telephone, you cannot say, “Please ask Mr… to answer the telephone.” You should say, “May I speak to Mr…?” You cannot say, “Who are you?” If you want to tell the other one who you are, you should say, “This is …(speaking).” You cannot say, “I’m…”