When service was installed, the installer wasn’t able to install the cellular monitoring. He was supposed to come back out but called an hour after his arrival window to say he was on the way. We... When service was installed, the installer wasn’t able to install the cellular monitoring. He was supposed to come back out but called an hour after his arrival window to say he was on the way. We had given up and left by this point. I asked if he was going to call to reschedule ornifni had to . He said he would take care of it. That was three weeks ago and my phone is silent.