Avaya BM12 Phone Expansion Module 700480643<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Key expansion module</li><li>for Avaya 9611G IP Deskphone</li><li>9621G IP Deskphone</li><li>9641G IP Deskphone</li></ul></div><img src="http://ecx.images-amazon.com/images/I/314fLy51WxL.jpg" noproxy>