On Thursday 15 January 2009, Alex R.S.M wrote: > $(hdr(P-Asserted-Identity)[1]) returns the second uri header. > However, $(hdr(P-Asserted-Identity)[1]){uri.host} didn't return the host > portion of the second uri header. The transformation should be within the parentheses. You could try $(hdr(P-Asserted-Identity)[1]{uri.host}) Alex.