一种主叫用户预获知被叫所处时间的方法，当用户进行拨号时，将给出呼叫预处理提示；

The invention discloses a method for a calling user knowing beforehand the time when a called user is. As a user dials a number, a calling preprocessing prompt is given;

youdao

一种主叫用户预获知被叫所处时间的方法，当用户进行拨号时，将给出呼叫预处理提示；

The invention discloses a method for a calling user knowing beforehand the time when a called user is. As a user dials a number, a calling preprocessing prompt is given;

youdao