Most security companies can assist you on that as they have both Internet, Land line, and Wireless (Cellular) options. Any of the better companies will have multiple options.
Also there is automatic generator start.. It can be set so that if the power goes out for say 5 Minutes.. The generator starts and runs. (That gives your Surge Protector time to reset if power "Blinks")
NOTE: THere are also different types of AGS.. THe most common one in an RV works on battery voltage.. Not presence/absence of shore power.. But there is another type designed for "Home" use. I know, had that at the office when I was working.