SNOM Headset Adapter EHS for the control of wireless headsets, specifically for phones snom 320, snom 370, snom 82x, snom 870, SNOM 7xx 2362
SNOM-EHS Wireless Headset Adapter from £46.00 @ InternetVoipPhone
Link03 Headset Adapter QDRJ9 cable for Grandstream, Snom 320, 360
Snom Headset Compatibility Guide - Headsets Direct, Inc.
VXi V150 Wireless Headset Bundle, vxi-203382 | Electronic Remote Answerer Included | For Snom IP Phones : 300, 320, 360, 370, 821, and 870 - Great clarity and reception with this cordless headset.