Back when I was using Vonage, I wrote and shared a Selenium script to alert me automatically if I was approaching my monthly usage limits.
Then I kicked Vonage to the curb and switched to using Google Voice plus an OBi202 box for my home phone service, lowering my monthly bill from around $14 for Vonage to $Free for Google Voice.
Alas, as of May 15, 2014, Google Voice is no longer going to work with my Obihai box, so I’m back to paying for VoIP. I decided on Phone Power‘s $5/month special offer (I have a sneaking suspicion it’s going to go up after the first year, but we’ll see) for former Obitalk Google Voice users. Alas, Phone Power has the same problem as Vonage — they let you view on your web site how many minutes you’ve used toward your quota of free monthly international minutes, but they don’t have any sort of automated alerts when you’re approaching your limit.
So I went ahead and tweaked my old Vonage Selenium script to work with Phone Power instead. For anyone who might find them useful, I’ve posted them in this public gist.