A 1 year or 6 month prepaid contract is required. They will refund any remaining balance if you decide to discontinue service before the contract has completed. A 30 day notification is required to disconnect this service. Very flexible intervals that you can set. Inc. Keynote Free trial offer.
Notification is free except for long distance pagers.
Monte Sano Software RedAlert USA Free trial offer. Monitors up to four times an hour. Midas Internet Ltd SiteSeer Offers 10-day free trial. They will notify problems by e-mail. Performance Marketing group.