https://blog.ipcalls24.com/htable-in-kamailio/

#!define DBURL "postgres://kamailio:secret_password@localhost:5433/kamailio"


loadmodule "pv.so"
loadmodule "ctl.so"
loadmodule "xlog.so"
loadmodule "jsonrpcs.so"
loadmodule "tm.so"
loadmodule "textops.so"
loadmodule "sl.so"
loadmodule "usrloc.so"
loadmodule "registrar.so"
loadmodule "auth.so"
loadmodule "db_postgres.so"
loadmodule "auth_db.so"
loadmodule "siputils.so"
loadmodule "nathelper.so"

loadmodule "rr.so"
#loadmodule "tmx.so"
loadmodule "rtpengine.so"
loadmodule "htable.so"

#############[Подключение к БД]###########
modparam("auth_db", "db_url", DBURL); # указываем URL для подключения, берем его из ранее созданной директивы DBURL

modparam("auth_db", "load_credentials", "$avp(pass)=password")

modparam("htable", "htable", "auth=>size=10;autoexpire=1800;")
modparam("htable", "htable", "ipban=>size=10;autoexpire=60;initval=0;")

modparam("rtpengine", "rtpengine_sock", "udp:127.0.0.1:2223")

request_route {
        route(REQINIT);

        if (is_method("CANCEL")) {
                if (t_check_trans()) {
                        route(RELAY);
                }
                exit;
        }

        if (is_method("INVITE") || is_method("REGISTER")) {
                route(NAT);
        }

        if (is_method("REGISTER")) {
                route(AUTH);
        }

        route(DIALOG);
}

route[REQINIT] {
        if($sht(ipban=>$si) > 5) {
                exit;
        }
        force_rport;
}

route[AUTH] {
                if (sht_match_name("auth", "eq", "$Au")) {
                        if (!pv_auth_check("$fd", "$sht(auth=>$Au)", "0", "1")) {
                                auth_challenge("$fd", "1");
                                $sht(ipban=>$si) = $sht(ipban=>$si) + 1;
                                exit;
                        }
                        consume_credentials();
                        $sht(ipban=>$si) = $null;
                        if (is_method("REGISTER")) {
                                save("location");
                                exit;
                        }
                } else {
                        if (!auth_check("$fd", "subscriber", "1")) {
                                auth_challenge("$fd", "1");
                                $sht(ipban=>$si) = $sht(ipban=>$si) + 1;
                                exit;
                        }
                        $sht(auth=>$Au) = $avp(pass);
                        $sht(ipban=>$si) = $null;
                        consume_credentials();
                        if (is_method("REGISTER")) {
                                save("location");
                                exit;
                        }
                }
}

route[NAT] {
        if (nat_uac_test("19")) {
                if (is_method("REGISTER")) {
                        set_contact_alias();
                } else {
                        if(is_first_hop()) {
                                set_contact_alias();
                        }
                }
        }
        return;
}

route[DIALOG] {
        if (is_method("INVITE")) {
                route(AUTH);
                if (!lookup("location")) {
                        sl_send_reply("403", "Forbidden");
                        exit;
                }
                handle_ruri_alias();
                record_route();
                route(RELAY);
        }
        if (has_totag()) {
                if (loose_route()) {
                        handle_ruri_alias();
                        route(RELAY);
                }
        }
        if (is_method("ACK")) {
                if ( t_check_trans() ) {
                        route(RELAY);
                        exit;
                } else {
                        exit;
                }
        }
}

route[RELAY] {
        if (has_body("application/sdp")) {
                rtpengine_manage("replace-session-connection replace-origin ICE=remove direction=internal direction=external");
        }
        t_on_reply("REPLY");
        t_relay();
}

onreply_route[REPLY] {
        route(NAT);
        if (has_body("application/sdp")) {
                rtpengine_manage("replace-session-connection replace-origin ICE=remove direction=internal direction=external");
        }
}