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: Avaya Phone Headset for Call Center | Compatible with Avaya Phone 9508 9541 for Telemarketing Call Center | Noise-Canceling Microphone, and Quick Disconnect Cord | Durable and Comfortable All-day : Electronics