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
Amazon.com: RJ9 Avaya Phone Headset Compatible with Avaya 1600, 9600, J100 Series IP Phones Model Noise Cancelling Plus 3.5mm Adapter for Smartphone : Electronics
Avaya Certified Jabra PRO 925 Dual Connectivity Bluetooth Wireless Bundle for Avaya Phones and Cell phones: 1608 1616 9620 9620C 9620L 9630 9630G 9640 9640G 9650 9650G 9650C 9670 9670G