System and method for informing a user of functions or characters associated with keys on a mobile communications device includes a keyboard operable to input Dual-tone multi-frequency (DTMF) codes and a display screen operable to display information. The display screen is also operable to display a virtual representation of at least a portion of the keyboard. The virtual representation includes help information on one or more virtually represented keys of the keyboard. This help information informs a user of an associated telephone function or character of one or more keys that are virtually represented on the display.