This is the Clarity Walker WS-2835 is a PTT handset custom build as a direct replacement for use with Cisco 7800, 8800 and DX600 series Cisco IP phones. Clarity Walker WS-2835 handset uses the Push-to-Talk feature to address the need for a secure conversation where background conversations must not be heard.
Compatible with Cisco 7821, 7841, 7861, 8811, 8841, 8845, 8851, 8861, 8865 and DX660 series phones.
See Clarity Walker WS-2835 datasheet for more information
*Important Note on Returns: Due to the manufactures policy, this is a special order item. All Sales are FINAL. It's not returnable, not refundable under any circumstance. If defective, Clarity will replace it under warranty