With the cordless home phones you can actually up to three or in some cases even more devices attached to the same line or connection. And you can continue to take any one of them along and cary on your conversation without any network hassle within a good three km radius from the point of connection. With the way technology is progressing very soon you will have a situation where it will be possible for you to carry your home phone device all the way to your work place that is a good 10 km away and use it as you are using your mobile phone handsets right now.