Line rental charges for a corded phone can cost over 200 a year and thats before youve even made a call so this new gsm phone could save you a fortune totally cordless it uses a 2g sim card just like a mobile phone so no line rental costs apply it needs no direct electrical power so you can carry the handset from room to room and always keep it by your side even in your garden shed or the garage unlike mobiles however it has the look and feel of a corded phone with a comfortable