[Users] gw-pstn.3.07.cfg with Call-Transfer support

Klaus Darilion klaus.mailinglists at pernau.at
Wed Jul 27 09:10:12 CEST 2005


Bastian Schern wrote:
> Hello,
> 
> I tried out the SER config "gw-pstn.3.07.cfg" from www.onsip.org.
> 
> Nearly everything works fine but "Call-Transfer" is not working.
> Is it possible to integrate "Call-Transfer" support into the
> "gw-pstn.3.07.cfg"?

Call-Transfer is a SIP Client feature. Just make sure that you route the 
REFER requests correct.

regards
klaus

> Does anybody integrates this already?
> 
> Regards
>     Bastian
> 
> 
> 
> ------------------------------------------------------------------------
> 
> debug=3
> fork=yes
> log_stderror=no
> 
> listen=192.0.2.13		# INSERT YOUR IP ADDRESS HERE
> port=5060
> children=4
> 
> dns=no
> rev_dns=no
> 
> fifo="/tmp/ser_fifo"
> fifo_db_url="mysql://ser:heslo@localhost/ser"
> 
> loadmodule "/usr/local/lib/ser/modules/mysql.so"
> loadmodule "/usr/local/lib/ser/modules/sl.so"
> loadmodule "/usr/local/lib/ser/modules/tm.so"
> loadmodule "/usr/local/lib/ser/modules/rr.so"
> loadmodule "/usr/local/lib/ser/modules/maxfwd.so"
> loadmodule "/usr/local/lib/ser/modules/usrloc.so"
> loadmodule "/usr/local/lib/ser/modules/registrar.so"
> loadmodule "/usr/local/lib/ser/modules/auth.so"
> loadmodule "/usr/local/lib/ser/modules/auth_db.so"
> loadmodule "/usr/local/lib/ser/modules/uri.so"
> loadmodule "/usr/local/lib/ser/modules/uri_db.so"
> loadmodule "/usr/local/lib/ser/modules/mediaproxy.so"
> loadmodule "/usr/local/lib/ser/modules/nathelper.so"
> loadmodule "/usr/local/lib/ser/modules/textops.so"
> loadmodule "/usr/local/lib/ser/modules/avpops.so"
> loadmodule "/usr/local/lib/ser/modules/domain.so"
> loadmodule "/usr/local/lib/ser/modules/permissions.so"
> 
> modparam("auth_db|permissions|uri_db|usrloc", 
> 	"db_url", "mysql://ser:heslo@localhost/ser")
> modparam("auth_db", "calculate_ha1", 1)
> modparam("auth_db", "password_column", "password")
> 
> modparam("nathelper", "rtpproxy_disable", 1)
> modparam("nathelper", "natping_interval", 0)
> 
> modparam("mediaproxy","natping_interval", 30)
> modparam("mediaproxy","mediaproxy_socket", "/var/run/mediaproxy.sock")
> modparam("mediaproxy","sip_asymmetrics","/usr/local/etc/ser/sip-clients")
> modparam("mediaproxy","rtp_asymmetrics","/usr/local/etc/ser/rtp-clients")
> 
> modparam("usrloc", "db_mode", 2)
> 
> modparam("registrar", "nat_flag", 6)
> 
> modparam("rr", "enable_full_lr", 1)
> 
> modparam("tm", "fr_inv_timer", 27)
> modparam("tm", "fr_inv_timer_avp", "inv_timeout")
> 
> modparam("permissions", "db_mode", 1)
> modparam("permissions", "trusted_table", "trusted")
> 
> 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
> 	# -----------------------------------------------------------------
> 	if (method=="INVITE" && client_nat_test("3")) {
> 		# INSERT YOUR IP ADDRESS HERE
> 		record_route_preset("192.0.2.13:5060;nat=yes");
> 	} else 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")) {
> 
> 			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(5);
> 		route(1);
> 		break;
> 	};
> 
> 	if (uri==myself) {
> 
> 		if (method=="ACK") {
> 			route(6);
> 			break;
> 		} else 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(5);
> 			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
> 	# -----------------------------------------------------------------
> 
> 	sl_send_reply("100", "Trying");
> 
> 	if (!search("^Contact:\ +\*") && client_nat_test("7")) {
> 		setflag(6);
> 		fix_nated_register();
> 		force_rport();
> 	};
> 
> 	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();
> 	};
> 
> 	if (method=="INVITE" && !allow_trusted()) {
> 
> 		if (!proxy_authorize("","subscriber")) {
> 			proxy_challenge("","0");
> 			break;
> 		} else if (!check_from()) {
> 			sl_send_reply("403", "Use From=ID");
> 			break;
> 		};
> 
> 		consume_credentials();
> 	};
> 
> 	lookup("aliases");
> 	if (uri!=myself) {
> 		route(5);
> 		route(1);
> 		break;
> 	};
> 
> 	if (uri=~"^sip:011[0-9]*@") {		# International PSTN
> 		route(4);
> 		break;
> 	};
> 
> 	if (!lookup("location")) {
> 
> 		if (uri=~"^sip:[0-9]{10}@") {	# Domestic PSTN
> 			route(4);
> 			break;
> 		};
> 
> 		sl_send_reply("404", "User Not Found");
> 		break;
> 	};
> 
> 	if (method=="CANCEL") {
> 		route(1);
> 		break;
> 	};
> 
> 	route(5);
> 	route(1);
> }
> 
> route[4] {
> 
> 	# -----------------------------------------------------------------
> 	# PSTN Handler
> 	# -----------------------------------------------------------------
> 
> 	rewritehost("192.0.2.245"); # INSERT YOUR PSTN GATEWAY IP ADDRESS
> 
> 	avp_write("i:45", "inv_timeout");
> 
> 	route(5);
> 	route(1);
> }
> 
> route[5] {
> 
> 	# -----------------------------------------------------------------
> 	# RTP Proxy Enabler
> 	# -----------------------------------------------------------------
> 
> 	if (isflagset(6) || isflagset(7)) {
> 		use_media_proxy();
> 	};
> }
> 
> route[6] {
> 
> 	# ------------------------------------------------------------------------
> 	# ACK Handler
> 	# ------------------------------------------------------------------------
> 
> 	# ------------------------------------------------------------------------
> 	# Aliases Section
> 	# ------------------------------------------------------------------------
> 	lookup("aliases");
> 	if (uri!=myself) {
> 		route(5);
> 		route(1);
> 		break;
> 	};
> 
> 	lookup("location");
> 
> 	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();
> 		};
> 	};
> 
> 	if (client_nat_test("1")) {
> 		fix_nated_contact();
> 	};
> }
> 
> 
> 
> ------------------------------------------------------------------------
> 
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