You can obtain the destination set IP from $dd, or $(du{uri.host}). However, you can't just modify the To URI like that.
You will need to do it in a way that doesn't break standards-based proscriptions about what a proxy can do, otherwise endpoint A can look at the modified header received in responses from endpoint B and say, "I didn't send that!"
Kamailio provides such a mechanism. In brief, it conceals the in-flight alterations to the To URI from endpoint A:
https://kamailio.org/docs/modules/5.8.x/modules/uac.html#uac.f.uac_replace_t...
-- Alex
On 11 Mar 2024, at 12:43, marek via sr-users sr-users@lists.kamailio.org wrote:
hi,
i have kamailio acting as SBC
i need hide topology like this
ds_select_dst(DSP_GRP_TRUNK, "6");
$tu = $(tu{re.subst,/PRIVATE_IP/IP_OF_CURRENT_SELECTED_DISPATCHER/g});
what is best way for IP extraction from $du?
thanks
Marek
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