debug=3
fork=yes
log_stderror=no

 

listen=212.XXX.104.XXX        # This is OpenSER's Public IP
port=5060
children=4

 

alias=212.XXX.104.XXX        # This is OpenSER's Public IP

 

dns=no
rev_dns=no

 

fifo="/tmp/openser_fifo"
fifo_db_url="mysql://openser:openserrw@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/registrar.so"
loadmodule "/usr/local/lib/openser/modules/auth.so"
loadmodule "/usr/local/lib/openser/modules/auth_db.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/domain.so"
loadmodule "/usr/local/lib/openser/modules/acc.so"

 

modparam("auth_db", "calculate_ha1", 1)
modparam("auth_db", "password_column", "password")
modparam("auth_db", "use_domain", 1)

 

modparam("domain", "db_mode", 1)

 

modparam("nathelper", "rtpproxy_disable", 1)
modparam("nathelper", "natping_interval", 180)

 

modparam("mediaproxy","natping_interval", 30)
modparam("mediaproxy","mediaproxy_socket", "/var/run/mediaproxy.sock")
modparam("mediaproxy","sip_asymmetrics","/usr/local/etc/openser/sip-asymmetric-clients")
modparam("mediaproxy","rtp_asymmetrics","/usr/local/etc/openser/rtp-asymmetric-clients")

 

modparam("usrloc", "db_mode", 2)
modparam("usrloc", "use_domain", 1)

 

modparam("registrar", "default_expires", 60)
modparam("registrar", "min_expires", 30)
modparam("registrar", "nat_flag", 6)
modparam("registrar", "use_domain", 1)

 

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

 

modparam("acc", "db_url", "mysql://openser:openserrw@localhost/openser")
modparam("acc", "failed_transactions", 1)
modparam("acc", "log_level", 1)
modparam("acc", "log_flag", 1)
modparam("acc", "db_flag", 1)

 

route {

 

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

 

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

 

        # -----------------------------------------------------------------
        # Record Route Section and Acc section
        # -----------------------------------------------------------------
        if (method=="INVITE" && client_nat_test("3")) {
                record_route_preset("212.XXX.104.XXX:5060;nat=yes");        # This is OpenSER's Public IP
        } else if (method!="REGISTER") {
        if!(uri=~"^sip:833[0-9]*@") {        # I do not want to make accounting if clients' prefix is beginning with 833
                record_route();
                setflag(1);
            }
        };

 

        # -----------------------------------------------------------------
        # 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")) {

 

                        if (client_nat_test("3") || search("^Route:.*;nat=yes")) {
                                setflag(6);
                                use_media_proxy();
                        };
                };

 

                route(1);
                break;
        };

 

        # -----------------------------------------------------------------
        # Call Type Processing Section
        # -----------------------------------------------------------------

 

        if (uri!=myself) {
                route(1);
                break;
        };

 

        if (uri==myself) {

 

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

 

                lookup("aliases");
                if (uri!=myself) {
                        route(1);
                        break;
                };

 

                if (!lookup("location")) {
                        sl_send_reply("404", "User Not Found");
                        break;
                };
        };

 

        route(1);
}

 

route[1] {

 

        # -----------------------------------------------------------------
        # Default Message Handler
        # -----------------------------------------------------------------

 

        t_on_reply("1");

 

        if (!t_relay()) {

 

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

 

                sl_reply_error();
        };
}

 

route[2] {

 

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

 

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

 

        sl_send_reply("100", "Trying");

 

        if (!www_authorize("","subscriber")) {
                www_challenge("","0");
                break;
        };

 

        if (!check_to()) {
                sl_send_reply("401", "Unauthorized");
                break;
        };

 

        consume_credentials();

 

        if (!save("location")) {
                sl_reply_error();
        };
}

 

route[3] {

 

        # -----------------------------------------------------------------
        # CANCEL and INVITE Message Handler
        # -----------------------------------------------------------------

 

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

 

        lookup("aliases");
        if (uri!=myself) {
                route(1);
                break;
        };

 

        if (uri=~"^sip:0[0-9]*@*") {        # If calling number is beginning with prefix 0, route it to PSTN
             rewritehost("195.XXX.122.XXX");        # This is PSTN Gateway's Public IP
             route(1);
             break;
        };

 

        if (!lookup("location")) {
                sl_send_reply("404", "User Not Found");
                break;
        };

 

        if (method=="CANCEL") {
                route(1);
                break;
        };

 

        if (!proxy_authorize("","subscriber")) {
                proxy_challenge("","0");
                break;
        } else if (!check_from()) {
                sl_send_reply("403", "Use From=ID");
                break;
        };

 

        consume_credentials();

 

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

 

        route(1);
}

 

onreply_route[1] {

 

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

 

                if (!search("^Content-Length:\ +0")) {
                        use_media_proxy();
                };
        };