[SR-Users] rtp proxy - where to invoke?

[Anders]

Hi,

I'm trying to get the RTP proxy to work with Kamailio (1.5), but right
now I am getting this error here:

Oct 13 16:54:44 vn1031 /usr/local/sbin/kamailio[13622]:
ERROR:nathelper:force_rtp_proxy: incorrect port 0 in reply from rtp
proxy

There is probably something wrong in my cfg - for the use of
force_rtp_proxy that part of my config is here below. See anything odd
that could lead to the error above?

route {
    ......
    route(4);
    ......
}

route[4]{
        force_rport();
        if (nat_uac_test("19")) {
                if (method=="REGISTER") {
                        fix_nated_register();
                } else {
                        fix_nated_contact();
                }
                setflag(5);
        }
        return;
}

route[5] {
        if (is_method("BYE")) {
                unforce_rtp_proxy();
        } else if (is_method("INVITE")){
                force_rtp_proxy();
        }
        if (!has_totag()) add_rr_param(";nat=yes");
        return;
}

onreply_route[1] {
        xdbg("incoming reply\n");

        if (!(status =~ "183" || status =~ "200"))
             exit;
        #fix_nated_contact();
        force_rtp_proxy();
}

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