I needed both call buttons to work but when I receive the product only one of the buttons works rendering the second unusable. I checked the instructions and they still haven't made sure the second call button syncs with my pager. As for the device, plug it in and make a call. That's all. It's quite noisy and should be fine for a medium sized home, which is why I'm giving it 2 stars. I wouldn't buy this and because I have to support my family I can't return it or I would. Find something better not worth your time.
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