Wireless Public PayPhone 1.Making calls, receiving calls, phone book. Caller ID 2.Billing function. 3.Dot-matrix LCD Display. Wireless Public PayPhone Functions and Features 1. Dot-matrix LCD Display, Large, easy to read, four lines, backlight LCD with status icons.2. Making calls, receiving calls, phone book. Caller ID.3. Billing function. While hang up, it will calculate the charge of phone ...