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RJ9 CIS Phone Headset Compatible Brands and Models This mono RJ9 CIS phone headset only works for some Plantronics Amplifiers and CIS IP phones
(Please refer to compatible phone list below, If your phone model is not listed, please do not buy it and enquire us for compatibility advice and guide.)
Plantronics Amplifier: M10, M12, M22 & MX10 Vista Modular Adapters
CIS IP Phones: 7931G, 7940, 7940G, 7941, 7941G, 7942, 7942G, 7945, 7945G, 7960, 7960G, 7961, 7961G, 7962, 7962G, 7965, 7965G, 7970, 7970G, 7971, 7971G, 7975, 7975G, 6821,6841, 6851, 6921, 6941, 6945, 6961, 7811, 7821, 7841, 7861, 8811, 8841, 8845, 8851, 8861, 8941, 8945, 8961, 9951, 9971
NOTE: Not compatible with CIS Spa phone series. NOT for smartphones and computers directly.