Patent ID: 7970434

Claim:
A dual-mode phone, comprising: a mobile phone antenna configured for receiving and transmitting radio frequency (RF) signals sent over a cellular communication network; a mobile phone module configured for processing said RF signals sent over the cellular communication network; a wireless local area network (WLAN) antenna configured for receiving and transmitting RF signals sent over a WLAN; a WLAN module configured for processing said RF signals sent over the WLAN; a processing module configured for setting a communication mode of the dual-mode phone, the communication mode comprising a mobile communication mode, a WLAN priority mode, and a mobile phone and WLAN independent mode; a memory configured for storing the communication mode and a phone book of the dual-mode phone, the phone book comprising a plurality of mobile phone numbers, a plurality of WLAN phone addresses, mapping relationships between the plurality of mobile phone numbers and the plurality of WLAN phone addresses, and statuses of dual-mode phones corresponding to the plurality of WLAN phone addresses; and a user interface configured for receiving a user input phone number; wherein the processing module is further configured for determining if the input phone number is a mobile phone number, determining if the mobile phone number has a mapping WLAN phone address, and calling the mapping WLAN phone address via the WLAN module upon the condition that the input mobile phone number has a mapping WLAN phone address.