| 摘要 |
PURPOSE:To prevent duplicated accounting for request calls, by disconnecting information leads from a centralized accounting outgoing trunk to a magnetic tape device for the calls from an attendant board. CONSTITUTION:When a register sender RS receives called party information and caller discriminating information via the centralized accounting outgoing trunk OGTT, the information is stored in a strage circuit. Since a trunk class OP is activated for calls from the attendant board, a relay OPE is activated and self-held. Contacts ope<1> of the relay OPE disconnect leads for response and restoration information from the OGTT to the magnetic tape MT via a magnetic tape controller MTC. |
