Sennheiser 506038 Cisco Adapter Cable for Electronic Hook Switch<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Compatible with SPA512G， SPA514G and SPA525G headsets </span></li><li><span class="a-list-item"> Remotely answer all calls by the press of a single button </span></li><li><span class="a-list-item"> Get notified from the distance about incoming calls by the ring tone in the headset </span></li><li><span class="a-list-item"> Efficient and flexible call handling， take or end the call </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41CRS-udxhL.jpg" noproxy>