Telephone works as a communication tool. When you are talking with some of your friend, then what you will do? In fact, some peoples have hastily nature and they talk without any reason. For example, if any of your friends is talking with you, then you should wait for ending his conversation, dont try to interrupt him during talking.
You should be aware during conversation. Your first priority should be done on this point, other side person is full right to speaking and you just try to calm reply because if you will listen other persons conversation on telephone calmly, then he will think that you are a really a sensible person and if you will stop this person and argue with him, then your impression can be spoiled. Give chance to other person when you are talking with him via telephone whenever he himself asked you for your kind reply. This behavior is really good for your business success.
Try to make your voice slow and comfortable and raise easy question to such person which is talking with you. Other person will feel good on this act. Words have enough strength. No one can deny on this reality especially, when you are talking about a deal with any person or talking with special person. Select your words with wisdom and use these phrases according to the situation and not any stage you should try to use harsh words because sometimes, if deal is not becoming successful, then some person shows their rude behavior, this is totally wrong and harmful way for your business because it is possible if, today such person is not convincing with you, in the other day, such person can offer you big deal. Dont neglect your future. Your phrases during conversation through telephone should base on polite way.