The　capabilities　of　3G　network　are　steadily　increasing　and　provide　the　great　flexibility　of　remote　mointor　and　surveillance　while　being　mobile.　We　propose　the　use　of　Web　services　in　our　system　in　order　to　solve　interoperability　issues　between　the　stationary　mointor　center　and　moving　client.　so　that　the　remote　monitoring　and　controling　can　be　carrid　out　by　using　the　video　carema　and　infrared　transceiver　according　to　the　user＇s　instructions.　To　explore　this　paradigm　and　to　gain　an　understanding　of　these　issues,　we　have　implemented　a　Smart　Home　System　where　the　householders　can　can　control　the　electrical　appliances　and　have　real-time　view　in　their　home　by　using　their　mobile　phone.