| 摘要 |
PURPOSE:To shorten the operating time of a line and to save the cost required for communication by returning the reception notice of a request during the communication requesting the relay of multiple address transmission. CONSTITUTION:When an original requesting a relay is sent from a requesting station 100 to a repeater station 200, the requesting station 100 and the repeater station 200 are switched respectively in the reception mode and the transmission mode while bering in the line connection state and after the reception notice of the relay requesting from the relay station 200 is sent to the request station 100, the line between them is interrupted. That is, the relay request of the transmission original and the reception notice are implemented during one communication. Thus, when a call for the reception notice transmission from the repeater station 200 to the remote requesting station 100 is not newly sent and then the communication cost required for the relay request for multiple address transmission is reduced. |
