If you are looking for a Multi line IP phone with 12 Softkeys then the Aastra 55i IP Phone is your choice. The Aastra 551i IP Phone is a multi line IP phone with a 4 fixed Call Appearances, a Full Duplex Speakerphone, 144x75 backlite graphical LCD display, 12 programmable keys and XML Browser Capabilities The 12 programmable buttons allow you to setup features, functions or station appearances. With a glance you can see who's on the phone and what features are active. Designed for the Aastra Pro 160 or any standards based SIP telephone application. When used with the Aastra pro 160 system installation is as simple as plugging it into your network. The system will automatically find the aastra Pro 160 and set itself up. You enter your extension number and password, and you can start using the phone instantly.