PARTNER 18 Display - BK RHS comes with LCD display - monochrome The right telephone is the key to simplifying communications and enhancing productivity. That's why a range of telephones is available with the Avaya PARTNER Advanced Communication System. From the intuitive layout of buttons and screens to the feel of the buttons as you push them, PARTNER telephones are designed to help you and your business work more efficiently. PARTNER telephones bring you the features that you need for an efficient, easy to use communications system. All the basic features are there: HOLD, Conference, Transfer, and much more. PARTNER 18D comes with the 2-line by 24-character backlit display, 16 line/feature buttons, 2 intercom buttons and 4 other programmable feature buttons.