Plantronics 38734-11 APV-63 EHS Cable (Avaya) replaces APV-62, making it compatible with On-Line Indicator and giving remote answering to CS500 and Savi Headsets, compatible with Avaya Phones 1408, 1416, 1608, 1616, 2410, 4630, 5410, 6224D+M, 6416D+M, 9404, 9406, 9408, 9504, 9508, 9608, 9611, 9620, 9621, 9630, 9640, 9641G, 9650, 9670, 9620L
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