Hi Cami,
On DNN you have the "Site Redirection Management" under Admin. There you can specify an URL to redirect mobile users to.
Regarding your second option, there is a spacial skin object that can redirect users to the full version of your site. Here it is:
LINK TO MOBILE SITE
<%@ Register TagPrefix="dnn" TagName="LinkToFullSite" Src="~/Admin/Skins/LinkToFullSite.ascx" %>
Ascx Token:
<dnn:LinkToFullSite ID="dnnLinkToFullSite" runat="server" / />
LINK TO MOBILE SITE
<%@ Register TagPrefix="dnn" TagName="LinkToMobileSite" Src="~/Admin/Skins/LinkToMobileSite.ascx" %>
Ascx Token:
<dnn:LinkToMobileSite ID="dnnLinkToMobileSite" runat="server" / />
Sincerely,
Andy