Avaya 2500-YMGP 108209065 Single Line Phone (White/Refurbished)The Avaya 2500 YMGP Single Line Analog Phone is ideal for a variety of locations within a business such as your warehouse, mailroom, factory floor, reception area, and other places where reliable call handling and economy are high priority. Key Features: 3 Step Volume Control on Handset Mute Key Message waiting indicator Flash key transfers calls or accesses call waiting feature Redial Hold with indicator Adjustable ring volume Hearing Aid & ADA