I need a little help. I am looking for a tool\utility that will allow me to test for busy signal on phone line and then email/txt me that the line is busy. I would like for it to run on a schedule say ...

For those of us old enough to remember, before the days of email, voice mail, and online chat, there was something that at the time, we all dreaded, “the busy signal.” The busy signal was the jarring ...