A method for managing a phone book in a mobile phone is provided. The method sets a priority level for each contact history in a history list based on a type of the contact history, assigns a weight value to each contact history based on the priority level of the contact history. The method further obtains...http://www.google.ca/patents/US20090186597?utm_source=gb-gplus-sharePatent US20090186597 - SYSTEM AND METHOD FOR MANAGING A PHONE BOOK IN A MOBILE PHONE