Mobile device including automatic response function, automatic response method of mobile device, and computer program therefor

An automatic call response method of a mobile device, performed by the mobile device including a processor, a call circuit, a service circuit and an interworking circuit, the method comprising:

• receiving, by the call circuit, an incoming call;
• automatically connecting, by the service circuit, the received incoming call when an automatic call response service is set in the mobile device;
• transmitting, by the service circuit, a request for execution of a preset function of the mobile device to the interworking circuit after the incoming call is connected;
• and
• performing, by the interworking circuit, the preset function on the mobile device in response to the request from the service circuit,
• wherein the request for the execution of the preset function includes an audio control command, and
• wherein performing, by the interworking circuit, the preset function on the mobile device comprises:
• stopping, by the interworking circuit, an operation of a speaker and a microphone of the mobile device in response to the audio control command;
• and
• transmitting, by the interworking circuit, an audio control request for control of audio playing by the mobile device to the call circuit in response to the audio control command.