In a remote communication system, the action taken by a control station whereby messages addressed to an inoperative station are accepted and stored at the control station until they can be sent to the destination station. The control station may be a computer in a message switching system.在远程通信系统中，当报文发往的工作站处于不工作状态时控制站所采取的行动，即接收并存储该报文直到该工作站恢复工作时，再由控制站将报文送给它。在报文交换系统中，控制站可以是一台计算机。
