How to set the phone number in the text message so that it can be dialed directly?

But the iPhone sometimes works and sometimes doesn’t work. After upgrading to 3.0, it doesn’t work at all. In addition, when you turn on the phone and receive a text message to remind you of an incoming call, other brands of mobile phones will directly display the name, but the iPhone will display the number starting with 106. This is too inhumane.