Apparatus and method for operating billing data using a removable disk (RDK) in a time division electronic exchanger (TDX)

摘要

The present invention relates to an apparatus and method for operating a billing data processing system using a discretionary disk (RDK) in a time division electronic exchanger (TDX), and more particularly, to a system and method for operating a billing data management system in a disk unit (DKU) and a magnetic unit By replacing some of them with RDK, there are economic advantages of cost reduction (installation cost, maintenance cost, transportation and storage cost) and reduction of billing loss due to improvement of billing reliability and improvement of storage and transportation convenience of RDK , Improvement of maintenance convenience, and reliability improvement by new operating scenarios.