In a radio telephone (100, 200) having a keypad (206) for receiving first information (302), a memory (112) for storing second information (313), and an intelligent editing function. There is provided a method of transmitting information representing a phone number using the intelligent editing function that selects a prefix mode when a phone number has been automatically entered and selects an appending edit mode when the information representing a phone number has been manually entered. The information is then edited to form a complete phone number (315), and transmitted (102, 104, 105, 106).