Voistek A2K10CIS Mono Call Center Telephone Headset with Noise Canceling Microphone for Plantronics M10 M22 AT and T CallMaster V VI and Cisco 7931G 7940G 7941G 7942G 7945G 7960G 7961G 7962G 7965G 7970G 7971G 7975G Office IP Phones

Call Center direct connect telephone headset with noise canceling microphone is ideal for direct connect to Plantronics Modular adapter and Cisco Unified IP phones. COMPATIBLE PHONE LIST: DO NOT BUY IF YOU CAN NOT FIND YOUR PHONE MODEL IN LIST Plantronics Amplifier: M10, M12, M22 & MX10 Vista Modular Adapters Cisco 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 6921, 6941, 6945, 6961, 7821, 7841, 7861 8811 8841 8851 8861 8941, 8945, 8961, 9951, 9971 AT&T, Lucent, Avaya Definity : "Call Master V" and "Call Master VI"