VoiceJoy Standard 3.5mm to RJ9 Headset Adapter Cable - Compatible with Cisco Unified Office Phones 7970/7940/7941/7942/7971 - Convert Smartphone Headset for Business Calls & Office Communication

This adapter will allow user simply convert the headset solution for your IP phones with your exist headset that work with the standard 3.5mm smartphone. ONLY Works for Phones:Cisco IP Phones: 7940, 7940G, 7941, 7941G, 7942, 7942G, 7945, 7945G, 7960, 7960G, 7961, 7961G, 7962, 7962G, 7965, 7965G, 7970, 7970G, 7971, 7971G, 7975, 7975G 6921, 6941, 6945, 6961, 7821, 7841, 7861 8811 8841 8851 8861 8941, 8945, 8961, 9951, 9971 Simply plug the RJ plug into the headset port on your IP Phones, and insert your exist the standard 3.5mm smartphone headset into the other end adapter, now you are ready to make / receive phone calls on your IP phones with your standard 3.5mm smartphone headset headphones.