The terminal device of the monitored person monitoring system and the terminal side monitoring processing method of the monitored person monitoring system according to the present invention and the monitored person monitoring system including the terminal device are configured such that when displaying the moving image distributed from the nurse call reception device , A moving picture distribution condition setting for instructing the setting of the moving picture distribution condition so that the communication capacity is reduced as compared with the moving picture distribution condition in the case of non-speech when accepting the start of a voice call with the nurse call accepting device And transmits a communication signal to the nurse call reception device.本発明にかかる被監視者監視システムの端末装置および端末側監視処理方法ならびに前記端末装置を備えた前記被監視者監視システムは、ナースコール受付装置から配信を受けた動画を表示している際に、前記ナースコール受付装置との音声通話の開始を受け付けた場合に、非通話の場合における動画配信条件よりも通信容量が低減するように前記動画配信条件の設定を指示するための動画配信条件設定通信信号を前記ナースコール受付装置へ送信する。