Perfect for home or business, two-line operation means you can conference in two outside lines to have a three-way conversation. Or place your current call on hold to make another call.
Now you can program each handset to ring or not at your discretion. For example, before you go to sleep, set the bedside handset to Silent Mode so that it wont ring for the duration of your slumber. In the meantime, the handset in another room is unaffected, and rings as usual.