public static string RenderCustomNavigation(Page page) { if (!VoipEnabled) return string.Empty; page.RegisterBodyScripts(VirtualPathUtility.ToAbsolute("~/js/asc/core/voip.countries.js")); page.RegisterBodyScripts(VirtualPathUtility.ToAbsolute("~/js/asc/core/voip.phone.js")); page.RegisterClientScript(typeof(VoipNumberData)); return string.Format(@"<li class=""top-item-box voip""> <a class=""voipActiveBox inner-text"" title=""{0}""> <span class=""inner-label"">{1}</span> </a> </li>", "VoIP", 0); }