Simple and powerful interactive e-learning system using VXML: Design and implementation of web and PSTN linked efficient learning system

E-learning is increasingly being integrated into organizations and universities as a new means of learning and supporting learners. Even it has many advantages to support learners using multimedia systems, but it still has many weaknesses. A representative weakness using e-learning system is it needs specific extra equipments (like computers, monitors and keyboards and so on) and learners are requested unmoving status in the courses of lessons. But, nowadays most people make busy living. To say another word, learners have not enough time to hold unmoving status during their lessons. For this reason, in this paper we implement a novel architecture of e-learning system using VXML linked with PSTN (Public Switched Telephony Network). Our newly proposed system supports telephone-based learning as well as computer-based learning. Learners can choose their learning tools by the existing state of things at each time. Learners can choose computers as a learning tool when they are in the house, on the other case, learners can choose their telephones as a learning tool on the street. To verify performance of the implemented e-learning system, we conducted learning efficiency test after implementation.