Patent ID: 7489770

Claim:
A receiving apparatus, comprising: a call-in signal receiving unit to receive a call-in signal; an audio output unit to output a ring tone based on a ring tone signal; an audio output terminal to output the ring tone signal; a ring tone signal generation unit to generate the ring tone signal based on the call-in signal received by said call-in signal receiving unit, the ring tone signal generation unit configured to: (a) output the ring tone signal to both the audio output terminal and the audio output unit, when an external audio output device is connected to the audio output terminal, and (b) output the ring tone signal to the audio output unit and to not output the ring tone signal to the audio output terminal, when the external audio output device is not connected to the audio output terminal; an audio signal output unit configured to: (a) output an audio signal to the audio output terminal and to not output the audio signal to the audio output unit, when the external audio output device is connected to the audio output terminal, and (b) output the audio signal to the audio output unit and not to output the audio signal to the audio output terminal, when the external audio output device is not connected to the audio output terminal.