Abstract: A method of controlling multiple calls of a communication device is provided. The method includes the steps below. Firstly, display P remote parties currently connected with the communication device, wherein the P remote parties form Q calls whose number and status determine a call menu including M options, where M is a positive integer. Next, select one of the remote parties, and select N options applicable to the selected remote party from the M options according to the selected remote party, wherein the N options are defined as N applicable options, where N is a positive integer. After that, display the N applicable options corresponding to the selected remote party. Following that, select one of N applicable options, and execute the selected applicable option corresponding to the selected remote party.

Abstract: A method of changing configurations of a mobile phone based on a status of unhandled events includes generating an unanswered factor to record a number of unhandled events received by the mobile phone; receiving an incoming event on the mobile phone, the incoming event being a received phone call or a received message; updating the unanswered factor in response to receiving the incoming event; and executing a first managing process when the unanswered factor exceeds a predetermined threshold.

Abstract: A method of controlling multiple calls of a communication device is provided. The method includes the steps below. Firstly, display P remote parties currently connected with the communication device, wherein the P remote parties form 0 calls whose number and status determine a call menu including M options, where M is a positive integer. Next, select one of the remote parties, and select N options applicable to the selected remote party from the M options according to the selected remote party, wherein the N options are defined as N applicable options, where N is a positive integer. After that, display the N applicable options corresponding to the selected remote party. Following that, select one of N applicable options, and execute the selected applicable option corresponding to the selected remote party.