The Nortel M Series Handset Is Compatible With:
M2000 (M2006, M2008, M2616)
M5000 (M5008, M5009, M5112, M5212, M5208, M5216, M5312, M5316)
M7000 (M7100, M7208, M7310, M7324)
M8000 (M8001, M8003, M8004, M8009, M8314, M8417)
M9000 (M9216, M9316, M9316CW, M9417, M9417CW)