子 曰："学 而 时 习 之，不 亦 悦 乎？有 朋 自 远 方 来，不 亦 乐 乎？人 不 知 而 不 愠，不 亦 君 子 乎？
In Present-Day Chinese
The Master said, "To learn and in due course apply what you have learnt, isn't that also a pleasure? To have a friend coming from far away, isn't...
In China people usually say "wei" (hello) first when beginning a telephone conversation. If you call an old acquaintance and recognize his/her voice, you may address him/her directly by name. Otherwise, you have to make clear who the other person is by saying, "Hello! Excuse me. Are you so-and-so?" or "Hello! Are you so-and-so?" instead of saying "I an so-and-so" first. "So-and-so" may be name of a person or a company.
--Wèi, shì lǐ míng ma?
(Hello! Are you Li Ming?)