How to call the landline?

Phones that support fixed-line SMS can even input Chinese characters.

The traditional fixed telephone can't work, because each key corresponds to a pair of frequencies, representing a number! Now some wireless phones have the function of sending short messages, and you can enter letters.

The landline, Zu jj, is a special plane. Fixed telephone is also called landline. Introduction to the landline Zu à j ? [Special plane] The content of the plane that someone takes is also called the landline.