Replacement Handset for Nortel/Avaya M-Style 2000, 5000, 7000, 8000, 9000, British Nortel/Avaya, and Aastra Series Phones. Our handsets are tested to ensure that they consistently meet original Nortel/Avaya Style specifications. The handsets have a noise reduction feature (noise reducing-not noise canceling), are hearing aid compatible and meet static voltage testing. The colors of our handsets are matched to Nortel/Avaya most recent handset colors. These handsets are brand new (not refurbished), new guts, new plastic...new everything. The handsets are designed to work on the systems listed, but they may function on other systems not listed. These handsets come with a 1-year limited warranty. If used on other systems, **is void, and use at your own risk. Compatible with Aries, Aries 2, Centrex, Venture, Venture 3 Meridian, M1150, 1150 M2000, 2000, M2006, 2006, M2008, 2008, M2009, 2009, M2016, 2016 M2208, 2208, M2216, 2216, M2250, 2250 M2317, 2317 M2616, 2616 M3820 M5008, 5008 M5208, 5208, M5216, 5216 M5316, 5316 M7000, 7000 M7100, 7100 M7208, 7208 M7310, 7310, M7324, 7324 M8000, 8000, M8001, 8001, M8003, 8003, M8004, 8004, M8009, 8009 M8216, 8216 M8314, 8314, M8316, 8316 M8417, 8417 M9000, 9000 M9116, 9116, M9120, 9120 M9216, 9216 M9316, 9316 M9417, 9417 M9516, 9516