Regardless of your party is in the phone, you should pay attention to friendly, moderate tone will politely. Whether it is at work or at home, the speech from the phone, you can basically determine the level of "discipline".
Whether the other party you is what person, should pay attention to friendly, gentle tone, be polite when you on the phone. Whether in the office or at home, the speech on the phone, you can determine the level of "education".
No matter what is your other people, when you call attention to friendly, gentle, polite in tone. Whether in company or at home, talking on the phone, you can figure out the "correctional" standard.