When this went live I got more than 15 offline/online notifications (offline and then 5 seconds online) in a 2 hour period. Checked my ISY, the logs and wifi and found no issues. I had to turn off the notifications. While I may have an issue, and I will further look at, but I think it would a better tool if it was offline for more than say 10 minutes to send a notification to eliminate notifications that may not indicate a problem.