Juha Heinanen schrieb:
Klaus Darilion writes:
> It is not possible to detect if a reply comes from a proxy or not.
klaus,
yes, but the two via test tells that ua is not taking directly to this
sr instance and i thus don't need to care about it.
I think the "reply" problem needs to be solved using the registrar NAT
bflag. If NAT flag is set for callee, activate a reply-route with
add_alias() (can be done per branch).
klaus
> could add the alias anyway and handle the problem in "handle_alias": If
> alias parameter is removed from RURI (in-dialog request), set $du only
> if it was not already set by loose_route().
i first thought to add the $du test, but looks like the via test makes
it unnecessary. however, loose_route() may be key to solving the reply
problem: if loose_route() sets $du, it means that next hop is another
proxy. then it is possible to set TO_PROXY flag and test it
onreply_route. right?
> I think the functions are great to have, but would like different naming
> (either have "alias" always at the beginning or at the end of the
> function name).
>
> e.g: add_alias(), handle_alias()
i can change the names. thanks for helping out on this.
-- juha
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