Patent ID: 8145260

Claim:
A terminal device, comprising: a call control unit configured to process a phone call with a recipient; an application control unit configured to control execution of an application program; a determination unit configured, when the application control unit issues an instruction to start the application program during a call processing by the call control unit, to determine whether a speech communication quality will be degraded; a transmitting unit configured, when determining that the speech communication quality will be degraded, to transmit an alert message for warning of the degradation of speech communication quality to the recipient; an inquiry unit configured, when determining that the speech communication quality will be degraded, to prompt a user to input a reply whether to permit the degradation of speech communication quality, and wherein when the reply input from the user indicates permission of the degradation of speech communication quality, the transmitting unit transmits the alert message to the recipient, and when the reply indicates that the degradation of speech communication quality is not permitted, the application control unit cancels a starting of the application.