Avaya - Nortel Compatible Plantronics VoIP Wireless Headset Bundle | Electronic Remote Answerer (EHS) included | Polycom USB Phones: VVX250, VVX350, VVX450 | Avaya IP Phones: 1120E, 1140E, 1150E, 1165E (CS540-B-EHS-A)
Avaya Headset Compatibility Guide: Everything You Need To Know
JABRA Pro 920 Avaya IP Phone Wireless Headset EHS Remote Bundle
Avaya 9608 with CS540 headset - How to install - YouTube
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
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