Marketing Information Talk and receive calls everywhere The new and advanced Yealink Headset Adapter EHS40 provides a technical interface between your Yealink IP Phones (T58A / T57W / T54W / T53W / T53 / T48S / T46S / T42S / T41S) and a compatible wireless headset, including Jabra, Plantronics and Sennheiser wireless models.
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