Web-based expert system for automated DSL loop qualification

Digital subscriber line (DSL) uses existing standard twisted-pair copper wire to supports voice and data simultaneously and delivers high speed Internet access and multimedia services. However, DSL services cannot be carried over all twisted pair copper loops that support POTS service. It takes a lot of time and expertise to find out which lines can support DSL and which lines cannot. In this paper we describe a Web-based expert system for automated qualifying of lines on the basis of real-time electrical measurements and records stored in telephone company databases. Such a system has been operational in GTE since January 1998