Steve, Make sure you are running the lastest version of the firmware as this will support your multiple domain issue. If you need more support call 866-VOIPBOX option 2 tech support. Just saw your request at http://lists.iptel.org/pipermail/serusers/2004-October/012269.html Marc Dyman SVP Worldwide Sales 813-749-1445 Direct Line 727-243-4357 Mobile 866-713-0555 Follow Me and Fax www.thebox.com <http://www.thebox.com/>