yes, i just want remote user's ip address. It is the received filed of location table. After try the suggestion you gave, i still can't get remote ip address of remote receiver.

On Thu, Jun 29, 2017 at 10:46 PM, Sebastian Damm <damm@sipgate.de> wrote:
Hi,

where do you get the IP address of the receiver from? You can get the
local interface address of Kamailio where the request was received
with $Ri, but I guess you want the IP address of the target host. If
you are dealing with locally registered users only, you can use the
request URI after calling lookup("location"). This should contain the
target's IP address somewhere.

Best Regards,
Sebastian

On Thu, Jun 29, 2017 at 4:27 PM, vuleetu <vuleetu@gmail.com> wrote:
> Hi, all
>
>    Is there any way to get remote ip address of both sender($si) and
> receiver(?)? I am configuring kamailio with multiple rtpproxy sets.
> Basically, rtpproxy set will be choosed based on the country those ip
> addresses of caller and callee belong to. Lets say if caller and callee are
> both in US, set 1 will selected. If they are not in the same country, set 2
> will be selected.  I dont know if there is any way to do that.
>
>
> Best regards
>
> Fisher
>
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