When i tried to search about Configuring Voice VLAN, I found :http://www.cisco.com/univercd/cc/td/doc/product/lan/cat3560/12220se/3560scg/swvoip.htm]http://www.cisco.com/univercd/cc/td/doc/product/lan/cat...e/3560scg/swvoip.htmAnd http://www.groupstu...