Additional Details ------------------------------ Product description: The Avaya 4622SW IP Telephone (700381569) is designed specifically for busy contact center environments. Modeled after the 4621SW phone, this 4622 SW IP phone offers a variety of feature buttons, as well as the same large backlit display. The 4622SW includes two headphone jacks for added convenience and has eliminated components that are not required in a busy call center environment. However, if the user prefers a phone, simply plug it into one of the available headphone jacks. Large backlit display: 168 x 132, 2 fully integrated headset jacks, 10 fixed-function buttons including: conference, drop, redial, hold, transfer, volume up/down, speakerphone, voicemail, and mute 24 function keys programmable, message waiting indicator light that flashes when headset rings, web browser or wall mount compatible, 8 custom ring patterns Requires Avaya Communication Requires ation Manager 2.0 or higher. The 4622SW IP Phone requires a 1151D1 or PoE power supply