We've had Vontage phone service, so for the longest time I didn't bother patching it back into the house phones or whatever... we just had a single phone in the house. Well I just hooked up a phone system with speakerphone and intercom throughout the house. Base station is by the computer in the family room, Extension One in the living room, two is in the kitchen, three in the master bedroom, four is in the laundry room... and I've got enough handsets to do the other bedrooms and the garage too. I thought it might save us running to the other room for the phone, or not yelling down the stair well when someone's in the laundry room. The first time my wife uses it... "Are you going to come up here and do the dishes?" "I'm sorry... you have the wrong number."