Look, this is a fantastic gadget. Besides, you plug any regular or cordless phone in it and works anywhere in your house. Not home? just transfer your calls to your cell. Their international rates are also very reasonables. I never leave home without it. And it works wirelessly from my notebook also. You may have to turn off the messengers (MSM or Yahoo M) if you get interrupted voice while you talk. Just because the bandwith of the network.