There can be a few instances where there would be no dial tone on your phone.
- If the LED lights are not illuminated, the phone's power cord may not be connected fully. Check to be sure you have a proper connection.
- If the imp box has flashing red lights and/or it's making a clicking noise, it means that the phone lines are in the wrong ports in the back of the imp and that you should reverse them. It should resolve the clicking and restore your dial tone.
- If the imp box has solid red lights, it means that the phone cords are not quite plugged in all the way. Check the ports on your imp, at the wall jack, and on your landline phone to be sure that all your connection points are adequately secured.