Headset Buddy 2.5mm Headset to RJ9/RJ10 Phone Adapter for CISCO phones ONLY (PH25-RJ9Cisco)

Color:Black The PH25-RJ9Cisco converts the standard phone headset 2.5mm plug to a standard RJ9, RJ10, or RJ22 Cisco phone headset plug, allowing you to use your favorite phone headset with your Cisco office phone. The adapter outputs binaural sound for stereo headsets, meaning you will hear sound out of both ears.Why buy an expensive headset just for your Cisco IP phone?Use the Headset Buddy Adapter and your existing 2.5mm phone headset with Cisco VOIP phones that have a headset jack. Save money by using a 2.5mm headset with your Cisco office phone.The adapter cable is approximately five inches long.Compatibilty Only compatible with Cisco and Ativa phones. Will not work with Polycom, Aastra, Nortel, and most other phones.Will not work with Cisco handset plug or RJ11 (wall) jacks.This list is not all inclusive. Please look up the specifications on your specific phone to see if it has a RJ9, RJ10, or RJ22 headset jack. If the Headset Buddy doesn't work with a model on this list we will be happy to refund 100% of your purchase plus pay for return shippingCisco Phones:6921, 6941, 69617931G, 7940, 7941G, 7942G, 7945G, 7960, 7961, 7961G, 7962G, 7965G, 7970, 7971, 7971G, 7975, 7975G, 7985, 7985G8941, 8945, 8945G, 8961, 89619951, 997112VIP30VIPCTS 500Incompatible Cisco phones:Cisco 7902, 7905, 7910, 7911, 7912, 7920, 7921Please let us know if you find more compatible phones or incompatible phone models.