Avaya Approved and Certified VXI Wireless VoIP and Digital V150 Bundle with Electronic Remote Answering (EHS) | For Avaya VoIP phones: 1608, 1616, 9608, 9611, 9620, 9620L, 9630, 9640, 9640G, 9641G, 9650, 9670 Avaya Certified and Tested VoIP and Digital Bundle 2 items: Includes VXI Wireless Headset and Electronic Remote Answerer Interface for Avaya (EHS) Range up to 300 feet away for maximum mobility Up to 10 hours of talk time - For all day usage and never miss a call. Low-cost, affordable, commercial-grade headset - works with Avaya office phones with a headset port (RJ-9/RJ-22) Avaya Compatible Phones: For Avaya - VoIP Phones: 1608, 1616, 9608, 9611, 9620, 9620L, 9630, 9640, 9640G, 9641G, 9650, 9670