debug=20
fork=yes
log_stderror=yes

port=5060
children=4

dns=no
rev_dns=no
fifo="/tmp/openser_fifo"
fifo_db_url="mysql://openserro:openserro@localhost/openser"

loadmodule "/usr/local/lib/openser/modules/mysql.so"
loadmodule "/usr/local/lib/openser/modules/sl.so"
loadmodule "/usr/local/lib/openser/modules/tm.so"
loadmodule "/usr/local/lib/openser/modules/rr.so"
loadmodule "/usr/local/lib/openser/modules/maxfwd.so"
loadmodule "/usr/local/lib/openser/modules/usrloc.so"
loadmodule "/usr/local/lib/openser/modules/uri.so"
loadmodule "/usr/local/lib/openser/modules/uri_db.so"
loadmodule "/usr/local/lib/openser/modules/mediaproxy.so"
loadmodule "/usr/local/lib/openser/modules/nathelper.so"
loadmodule "/usr/local/lib/openser/modules/textops.so"
loadmodule "/usr/local/lib/openser/modules/avpops.so"
loadmodule "/usr/local/lib/openser/modules/domain.so"

modparam("nathelper", "rtpproxy_disable", 1)
modparam("nathelper", "natping_interval", 0)
modparam("mediaproxy","natping_interval", 30)
modparam("mediaproxy","mediaproxy_socket", "/var/run/mediaproxy.sock")

modparam("usrloc", "db_mode", 0)

modparam("rr", "enable_full_lr", 1)

modparam("tm", "fr_inv_timer", 27)
modparam("tm", "fr_inv_timer_avp", "inv_timeout")

modparam("domain", "db_url", "mysql://openserro:openserro@localhost/openser")
modparam("domain", "db_mode", 1)

modparam("usrloc", "db_url", "mysql://openserro:openserro@localhost/openser")
modparam("usrloc", "db_mode", 1)
modparam("usrloc", "use_domain", 1)

modparam("uri_db", "db_url", "mysql://openserro:openserro@localhost/openser")


route {

        # -----------------------------------------------------------------
        # Sanity Check Section
        # -----------------------------------------------------------------
        if (!mf_process_maxfwd_header("10")) {
                sl_send_reply("483", "Too Many Hops");
                return;
        };

        if (msg:len > max_len) {
                sl_send_reply("513", "Message Overflow");
                return;
        };

        # -----------------------------------------------------------------
        # Record Route Section
        # -----------------------------------------------------------------
        if (method=="INVITE" && client_nat_test("3")) {
        add_rr_param(";nat=yes");
                record_route();
        } else if (method=="REGISTER") {
                record_route();
        };

        if (method!="REGISTER") {
                record_route();
        };

        # -----------------------------------------------------------------
        # Call Tear Down Section
        # -----------------------------------------------------------------
        if (method=="BYE" || method=="CANCEL") {
                end_media_session();
        };

        # -----------------------------------------------------------------
        # Loose Route Section
        # -----------------------------------------------------------------
        if (loose_route()) {

                if (has_totag() && (method=="INVITE" || method=="ACK")) {
            log(">>> loose_route, has_totag, etc");
                        if (client_nat_test("3")||check_route_param("nat=yes")){
                                setflag(6);
                                use_media_proxy();
                        };
                };

                route(1);
                return;
        };

        if (method=="CANCEL") {
                route(1);
                return;
        } else if (method=="INVITE") {
                route(3);
                return;
        } else  if (method=="REGISTER") {
                route(2);
                return;
        };

        route(1);
}

route[1] {
        t_on_reply("1");

        if (!t_relay()) {

                if (method=="INVITE" || method=="ACK") {
                        end_media_session();
                };

                sl_reply_error();
        };
}

route[2] {

        # -----------------------------------------------------------------
        # REGISTER Message Handler
        # -----------------------------------------------------------------

        sl_send_reply("100", "Trying");

        if (!search("^Contact:[ ]*\*") && client_nat_test("7")) {
                setflag(6);
                fix_nated_register();
                force_rport();
        };

    rewritehost("ASTERISK_SERVER:5060");
    route(1);
}
route[3] {

        # -----------------------------------------------------------------
        # INVITE Message Handler
        # -----------------------------------------------------------------

        if (client_nat_test("3")) {
                setflag(7);
                force_rport();
                fix_nated_contact();
        };

    rewritehost("ASTERISK-SERVER:5060");
        route(4);
        route(1);
}

route[4] {

        # -----------------------------------------------------------------
        # NAT Traversal Section
        # -----------------------------------------------------------------

        if (isflagset(6) || isflagset(7)) {
                use_media_proxy();
        };
}

onreply_route[1] {
        if ((isflagset(6) || isflagset(7)) &&
            (status=~"(180)|(183)|2[0-9][0-9]")) {

                if (!search("^Content-Length:[ ]*0")) {
                        use_media_proxy();
                };
        };

        if (client_nat_test("1")) {
                fix_nated_contact();
        };
}