OK, in that case I have misunderstood you.

Will removing the header work in case of CANCEL?

Are you recommending something like this?

if (is_method("CANCEL")) {
                if($hdr(Reason)=="SIP;cause=487;text=ORIGINATOR_CANCEL") remove_hf("Reason");
                if (t_check_trans()) route(RELAY);
                exit;
        }

I was under the impression the headers in CANCEL cannot be controlled but that could be in old times.

Ta,
DanB

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