I removed the o in com in case the list serv blocked web addresses. Here is the whole address: www.neobits.com/zultys_wip_2__wi-fi_ip_voip_sip_telephone_p9656.html And here is the Zulty manufacturers link: http://www.zultys.com/index.jsp?tab=productdetail&product=wip2&detail=datasheet-wip2&type=phones I dont have any affiliation with these folks, I just love the product. Matt Mackes Network Administrator and Voip Administrator Delta Sonic Car Wash Systems mm@deltasoniccarwash.com