지금까지 근거리통신망(LAN) 환경에서 멀티미디어 통신을 지원하는 H.323프로토콜을 인터넷 전화에 적용해 왔으나 이 방식이 새로운 기술에 대한 확장성이 떨어지고 기술개발도 복잡하다는 단점이 있었다. 그러나 SIP는 망 유지보수 및 관리가 편리하고 다른 시스템과 확장성 및 유연성이 뛰어나 H.323의 단점을 극복하고 새로운 대체 프로토콜로 부각되고 있다. 이러한 SIP의 장점을 이용하여 새로이 대두되고 있는 정보가전 기기들의 제어에 적용하기 방법에 대하여 알아보고 실제 구현을 위한 설계 시 고려사항과 SIP의 응용 분야 등에 대하여 알아본다.
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