| 摘要 |
PURPOSE:To release lockout, by selecting automatically subscribers near a lockout extension and informing lockout information from an informing device, when the extension of an electronic private branch of exchange is locked out. CONSTITUTION:A central controller CC starts periodically a lockout monitor program to monitor whether or not a lockout extension exists, and when a lockout extension exists, the informing control of lockout information is performed. That is, an idle subscriber in a group to which the lockout extension belongs is selected, a calling signal trunk RGT is connected for calling and when the extension responds, a talkie trunk TKT is connected, the lockout information, i.e., a telephone number of the lockout extension and the information being at the lockout state are informed. In this case, a signal trunk TNT is connected to the lockout extension so as to detect on-hook of the lockout extension. |
