The competitively priced, high-performing Avaya IP Phone J189 features two color display screens, 4 softkeys, 16 Feature keys, high definition audio quality, integrated Gigabit Ethernet interface, headset support and up to two J100 Expansion Modules, and optional Wi-Fi / Bluetooth . In addition the secondary screen also acts as the first expansion module. The J189 IP Phone leverages your enterprise IP network to deliver sophisticated voice communications from headquarters, remote locations, or home offices. Tightly integrated with Avaya Aura platform, the Avaya IP Phone J189 optimizes communications through a flexible architecture that leverages existing investments and accommodates changing business needs.