To prevent a medical worker from forgetting to visit a sickroom in response to calling from a patient, and to notify the patient that the medical worker is on the way to the sickroom where the patient is present, simultaneously.

When a calling operation part 3 is operated, calling is reported, and sound indicating that it is a first state is output from a speaker 4, speech communication is started when a responding operation part 14 is operated, the operation of a reporting part 13 is stopped and the output of the sound from the speaker 4 is stopped. Then, when responding is ended, the speech communication is ended, and sound indicating that it is a second state is output from the speaker 4. The sound is stopped by a restoration operation device 6. Thus, since the sound indicating the second state is output from the speaker 4 even when the responding is ended, the restoration operation device 6 needs to be operated in order to stop the sound, and a medical worker has to go to a sickroom.