When the emergency telephone number, e.g. 110 (police) or 119 (firehouse) in Japan is dialed, a called-back telephone call from the firehouse or police is relayed and connected to specified telephone sets or loudspeakers in the company to allow persons who are not directly concerned with the firehouse or police to hear the contents.例文帳に追加 内線電話から110番(警察)あるいは119番(消防)などに通話を行ったとき、消防あるいは警察から受ける呼び返し通話の内