VoIP(Voice over IP)서비스 품질관리 방안 연구 = A Study of VoIP(Voice over IP) Service Quality Management Method

다국어 초록 (Multilingual Abstract)

VoIP service is divided into H.323 related service and SIP related service. Development of multimedia service for VoIP is in the process going beyond the utilization phase of voice service. This research proposes that VoIP QoS can be provided by managing the weakness of VoIP related protocol with design of measurement management process model for VoIP QoS. Furthermore, it proposes the use of analysed item and quality item driven per voice service from VoIP service quality measurement value of the site utilizing VoIP service can increase the quality. This research is finding the meaning and assignment of VoIP QoS to deduct how to manage the control system and presenting the QoS control process and trial framework. The trial framework is the modeling of the QoS measurement metrics, the measurement time schedule, the section, hierarchy, instrument, equipment and method of measurement and the series of cycle & the methodology about analysis of the result of measurement. Measurement result can be used for improvement of VoIP service quality of both service provider and user. However, if end user wants to measure the overall quality, not only IP network to be measured but also the Gateway. To acquire quality of VoIP, continuos development of efficient measurement method and measurement item to clearly indicate the quality level of service and performance of network, and applying of such development is necessary.

Keywords : VoIP, QoS, framework