opensips.cfg

# --- global parameters
#
debug=9
fork=yes
log_stderror=no
log_facility=log_local7
check_via=no
#reply_to_via=no
sip_warning=no
children=10
port=5060
dns=no
rev_dns=no
disable_tcp=yes


# --- load modules
mpath="/usr/lib/opensips/modules/"
loadmodule "sl.so"
loadmodule "tm.so"
loadmodule "rr.so"
loadmodule "maxfwd.so"
loadmodule "usrloc.so"
loadmodule "registrar.so"
loadmodule "textops.so"
loadmodule "mi_fifo.so"
loadmodule "db_text.so"
loadmodule "nat_traversal.so"
loadmodule "nathelper.so"
loadmodule "signaling.so"
loadmodule "uri.so"
loadmodule "sipmsgops.so"

# --- module params

modparam("mi_fifo", "fifo_name", "/tmp/opensips_fifo")

modparam("db_text", "db_mode", 1)

modparam("rr", "enable_double_rr", 0)

modparam("tm", "wt_timer", 30)
# this is the timer that determines how much should
# wait before deciding that a dialer is down
modparam("tm", "fr_timer", 3)
modparam("tm", "fr_inv_timer", 120)
modparam("tm", "disable_6xx_block", 1)

# request routing logic
route
{
#	xlog("L_INFO", "RECV: $rm,  $fu,  $ru\n");

	# sanity checks
	if (!mf_process_maxfwd_header("10")) {
		sl_send_reply("483","Too Many Hops");
		exit;
		}
	if (msg:len >= max_len) {
		sl_send_reply("513", "Message too big");
		exit;
		}

	# Only grab initial INVITEs
	if (is_method("INVITE") && !has_totag()) {
		record_route();

		route(1);
		}

	if (has_totag()) {
		# Anything else we should use the record-routing headers to handle
		if (loose_route()) {
			if (!t_relay()) {
				sl_reply_error();
				}
			exit;
		} else {
			if (is_method("ACK")) {
				if (t_check_trans()) {
					# non loose-route, but stateful ACK; must be an ACK after a 487 or poss. 404
					# from upstream server
					t_relay();
					exit;
				} else {
					# ACK without matching transaction - ignore and discard
					exit;
					}
				}
			sl_send_reply("404","Not here");
			}
		}

	if (!t_relay()) {
		sl_reply_error();
		}
	}


route[1] {
	rewritehost("Destination.Me.com");

	# send it out now; use stateful forwarding as it works reliably
	# even for UDP2TCP
	if (!t_relay()) {
		sl_reply_error();
		}
	exit;
	}