US Patent 7551899 Intelligent dialing scheme for telephony application

Digits entered by a user are compared against phone numbers maintained in a lists such as address book, phone book, most recent calls, and most often called lists, etc. A number in the lists having matching digits corresponding the digits entered by the user is selected. The user entered digits are displayed in a normal font, and remaining digits from the selected number are displayed in a reverse or highlighted font. In one embodiment, if multiple matches occur, a scroll button allows the user to scroll through the each of the matched numbers. Alternatively, a drop down menu displays the matched numbers in a user selectable format.