摘要 |
PURPOSE:To provide flexibility for incoming calls from trunk lines by switching between the subscriber attended system and direct inline system for each extension which is dialed by the dial information from an extension telephone or each subscriber's group. CONSTITUTION:When the extension N diales in a specific number from the extension telephone, a control device of an exchange EX1 analyzes the dial information, identifies that it is the switching number from the subscriber attended system for individual trunk line of the extension N to the direct inline system, and sets the contents of the system display area corresponding to the extension N in a memory BUNSAN1 to that of the direct inline system. |