#
# $Id: ser.cfg,v 1.21.4.1 2003/11/10 15:35:15 andrei Exp $
#
# simple quick-start config script
#

# ----------- global configuration parameters ------------------------

debug=3         # debug level (cmd line: -dddddddddd)
fork=yes
log_stderror=no # (cmd line: -E)

/* Uncomment these lines to enter debugging mode 
debug=7
fork=no
log_stderror=yes
*/

check_via=no    # (cmd. line: -v)
dns=no           # (cmd. line: -r)
rev_dns=no      # (cmd. line: -R)
port=5060
children=4
fifo="/tmp/ser_fifo"

# proxy server IP
listen="172.21.30.53"

# ------------------ module loading ----------------------------------

# Uncomment this if you want to use SQL database
loadmodule "/usr/lib/ser/modules/mysql.so"

loadmodule "/usr/lib/ser/modules/sl.so"
loadmodule "/usr/lib/ser/modules/tm.so"
loadmodule "/usr/lib/ser/modules/rr.so"
loadmodule "/usr/lib/ser/modules/maxfwd.so"
loadmodule "/usr/lib/ser/modules/usrloc.so"
loadmodule "/usr/lib/ser/modules/registrar.so"

# Uncomment this if you want digest authentication
# mysql.so must be loaded !
#loadmodule "/usr/lib/ser/modules/auth.so"
#loadmodule "/usr/lib/ser/modules/auth_db.so"

# ----------------- setting module-specific parameters ---------------

# persistent user registrations
modparam("usrloc", "db_mode", 2)
modparam("registrar", "default_expires", 172800)
modparam("tm", "fr_inv_timer", 5 )
modparam("tm", "fr_timer", 5 )

# -- rr params --
# add value to ;lr param to make some broken UAs happy
modparam("rr", "enable_full_lr", 1)

# -------------------------  request routing logic -------------------

# main routing logic

route{

        # initial sanity checks -- messages with
        # max_forwards==0, or excessively long requests
        if (!mf_process_maxfwd_header("10")) {
                sl_send_reply("483","Too Many Hops");
                break;
        };
        if ( msg:len > max_len ) {
                sl_send_reply("513", "Message too big");
                break;
        };

        # we record-route all messages -- to make sure that
        # subsequent messages will go through our proxy; that's
        # particularly good if upstream and downstream entities
        # use different transport protocol
        record_route(); 
        # loose-route processing
        if (loose_route()) {
                t_relay();
                break;
        };


        
        # if the request is for other domain use UsrLoc
        # (in case, it does not work, use the following command
        # with proper names and addresses in it)
        if (uri==myself) {

                if (method=="REGISTER") {
                        save("location");
                        log(1, "Registration request.");
                        break;
                };

		# check for 911 calls
        	if (uri=~"^sip:911@.*") {
			log(1, "911 Call");
	                rewritehost("172.21.30.51");
        	        t_relay();
                	break;
	        };

		# pass local calls off to the gateway
		if (uri=~"^sip:580[0-9][0-9][0-9][0-9]@") {
			log(1, "Local call sent to gateway");
			rewritehost("172.21.30.51");
			t_relay();
			break;
		};

                # native SIP destinations are handled using our USRLOC DB
                if (!lookup("location")) {
                        log(1, "Location lookup failure.");
                        if ((src_ip==172.21.30.10) || (src_ip==172.21.30.12)) {
                                log(1, "Request from IC server trying to go back
 to IC server.");
                                sl_reply_error();
                        } else {
                                rewritehost("172.21.30.10");
                                log (1, "Sending request to the first server.");
                                t_on_failure ("1");
                                t_relay();
                        };
                        break;
                        
                };
        };
        # forward to current uri now; use stateful forwarding; that
        # works reliably even if we forward from TCP to UDP
        if (!t_relay()) {
                sl_reply_error();
        };

}

failure_route[1]{
        rewritehost("172.21.30.12");
        log(1, "Sending request to the second server.");
        t_on_failure("2");
        append_branch();
        t_relay();
}

failure_route[2]{
        rewritehost("172.22.30.51");
        log(1, "Sending request to the gateway.");
        append_branch();
        t_relay();
}