Steve Rubin wrote: > > > What does your register look like? > > Mine is... > register=1408215XXXX:YYYY:ZZZZZZZZZZ at sipauth.deltathree.com > > XXXX = Phone Number > YYYY = Password > ZZZZ = User Number > Works here, and I am behind a NAT gateway, and therefore authorizing against their "nat-relay" machine. Thank you very much. B.