Iñaki Baz Castillo writes:
Hi, for now, the "normal" way to detect if
an in-dialog request/response
beyonds to a natted dialog is by adding a uri parameter ("nat=yes") in
the "Contact" header of the first request and response and macthing that
parameter in the RURI of subsequent in-dialog requests.
instead of contact header, you could use rr header.
-- juha