If you have an older CS series (CS50, CS55, CS351n, CS361n, CS70n) Plantronics wireless headset and want remote call answering with your Cisco telephone using a sidecar, then you’ll need the APC-4 EHS cable and the extension cord part number 85638-01.
Follow the quick setup image below and your APC-4 EHS cable will be setup in minutes.
Note: the APC-4 EHS cable has been discontinued and is no longer being manufactured.
Compatible phone models:
Cisco 6945, 7821, 7841, 7861, 7942G, 7945G, 7962G, 7965G, 7975G, 8841, 8845, 8851, 8861 and 8865.