Avaya Bluetooth Adapter for 9600 Series (700383789) SBTA920A
Amazon.com: Avaya Headset HD Voice with HIS Adapter Compatible with Avaya 1600, 9600, J100 Series IP Phones Model, Plus 3.5mm Adapter (Monaural) : Electronics
Avaya 700383789 Bluetooth Adapter for 9600 Series Phones (Unused)