Jabra LINK Electronic Hook Switch<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Application/Usage:Headset，IP Phone / Compatibility:Cisco Unified IP phone Series: 6945， 78xx， 79xx ， 88xx， </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41YdTJIZZnL.jpg" noproxy>