인터넷전화는 PC-to-Phone 혹은 Phone-to-Phone 형태로 제공되어 왔으나 품질, 사용의 불편함, 표준 착신번호의 부재 등으로 인해 활성화되지 못하였다. 그러나 올해를 기점으로 인터넷전화역무가 도입되어 상기와 같은 문제가 일정부분 해결되면 인터넷전화시장은 급성장할 것으로 전망하는 전문가가 적지 않다. 본 고에서는 인터넷전화서비스의 시장 현황과 전망을 다룬다. 특히 인터넷전화시장의 전망을 가정고객의 가입 수요 확산 관점에서 살펴본다 이를 위해 전문가 설문을 통해 인터넷전화의 활성화 이슈에 대해 살펴보고 이를 근거로 시나리오 기법과 Bass의 확산모형을 적용하여 수요예측을 실시한다. 즉 활성화 이슈를 중심으로 총 4개의 시나리오를 도출하고 각 시나리오에서 확산계수를 비교유추법으로 추정한다. 마지막으로 시나리오별로 도출된 확산과정은 전문가 설문의 결과와 비교하여 실현 가능성이 보다 높은 확산과정은 어떠한 것인지 살펴본다.
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