Smartphone can be reused to make a reliable and cheap alarm system. Below is a diagram flow of all the possibilites with the graphtoweb application on Android smartphone. Each security application is standalone and can be downloaded separatly in the apps store.

Watch the different video to see the range of possibilies to create a central alarm for android with automatic sms, call, email and image capture. Make a complete alarm system without programation by using the convenient display panel of a smartphone