Patent ID: 7551600

Claim:
A single telephone terminal for enabling a voice call by inputting/outputting audio based on audio signals transmitted through a telephone line network from a transmitter/receiver, the single telephone terminal comprising: a Network Control Unit (NCU) capable of inputting/outputting audio signals through the telephone line network; an audio input/output path provided beside the NCU and capable of inputting/outputting audio signals from/to an outside source through an Internet network; a switch device for switching an output destination of audio signals based on audio input from the transmitter/receiver and an input source of audio signals to be outputted as audio from the transmitter/receiver from the NCU to the audio input/output path according to a user's operation; and a telephone call notification device for notifying through the single telephone terminal of reception of an incoming call from the telephone line network when the incoming call from the telephone line network is received in the state in which the output destination and the input source of audio signals have been switched to the audio input/output path by the switch device, wherein the switch device switches the output destination of audio signals based on audio input from the transmitter/receiver and the input source of audio signals to be outputted as audio from the transmitter/receiver from the NCU to the audio input/output path in response to detecting that a call via the NCU is ended after notification by the telephone call notification device.