Hands-free telephone conversation system and relay device for the same

摘要

A hands-free telephone conversation system comprises the communication device 11 and the relay device 12. The communication device 11 includes the microphone 111 that receives the voice from the user, the speaker 112 that outputs the other party's voice, the control unit 113 that detects the status of the wireless communication, and the local wireless communication unit 114 that communicates with the relay device 12 by wireless. The relay device 12 includes the microphone 121 that receives the voice from the user, the local wireless communication unit 123 that communicates with the communication device 11 by wireless, the communication control unit 122a that detects the status of the wireless communication, the microphone switch unit 122b that switches the voice input reception of the microphone 121, and the network communication unit 124 that sends and receives the voice to and from the other party's communication device 14 through the network 13.