[Users] Mediaproxy issue

Jeff Williams jeffw at globaldial.com
Thu Apr 6 17:16:50 CEST 2006


Of course its always the last place you look - iptables firewall rules
were blocking the udp traffic. Everything works now.

Jeff

Jeff Williams wrote:

>I am trying to use openser purely as a RTP proxy using mediaproxy. All
>SIP request are forwarded through to a central server. However, the RTP
>proxying does not work. The mediaproxy session gets set up and both end
>points get given the same port on the mediaproxy - is this correct? Both
>end points forward RTP packets to the mediaproxy but they are not forwarded.
>
>These are my log entries for the call and my config is attached:
>
>Apr  6 21:33:11 lepus mediaproxy[27804]: command request
>89C6D172-1DD2-11B2-BBB5-97F0622A5395 at 192.168.2.3 192.168.2.3:49200:audio
>202.74.181.144 sipone.com local 202.74.164.72 remote
>SJphone/1.60.299a/L=20(SJ=20Labs)
>info=from:61028679%20 at sipone.com,to:1300130710 at sipone.com,fromtag:1870227267254482412,totag:
>Apr  6 21:33:11 lepus mediaproxy[27804]: session
>89C6D172-1DD2-11B2-BBB5-97F0622A5395 at 192.168.2.3: started. listening on
>202.74.164.44:35038
>Apr  6 21:33:11 lepus mediaproxy[27804]: command execution time:  1.54 ms
>Apr  6 21:33:11 lepus mediaproxy[27804]: command lookup
>89C6D172-1DD2-11B2-BBB5-97F0622A5395 at 192.168.2.3
>202.74.164.72:20750:audio 202.74.164.72 sipone.com local sipone.com
>unknown Cisco-SIPGateway/IOS-12.x
>info=from:61028679%20 at sipone.com,to:1300130710 at sipone.com,fromtag:1870227267254482412,totag:BDA88B14-B58
>Apr  6 21:33:11 lepus mediaproxy[27804]: command execution time:  0.36 ms
>Apr  6 21:33:19 lepus mediaproxy[27804]: command delete
>89C6D172-1DD2-11B2-BBB5-97F0622A5395 at 192.168.2.3 info=
>Apr  6 21:33:19 lepus mediaproxy[27804]: session
>89C6D172-1DD2-11B2-BBB5-97F0622A5395 at 192.168.2.3: 0/0/0 packets, 0/0/0
>bytes (caller/called/relayed)
>Apr  6 21:33:19 lepus mediaproxy[27804]: session
>89C6D172-1DD2-11B2-BBB5-97F0622A5395 at 192.168.2.3: ended.
>Apr  6 21:33:19 lepus mediaproxy[27804]: command execution time:  0.31 ms
>
>I have ethereal captures showing the SIP and RTP packets if they are useful.
>
>Can anyone help me?
>
>Jeff
>  
>
>------------------------------------------------------------------------
>
># $Id: gw-pstn.cfg 9 2005-08-19 15:30:55Z /CN=Greger V. Teigre/emailAddress=greger at onsip.org $
>debug=5
>fork=yes
>log_stderror=no
>
>port=5060
>children=4
>
>dns=no
>rev_dns=no
>fifo="/tmp/ser_fifo"
>fifo_db_url="mysql://openser:pass@localhost/openser"
>
>loadmodule "/usr/lib/openser/modules/mysql.so"
>loadmodule "/usr/lib/openser/modules/sl.so"
>loadmodule "/usr/lib/openser/modules/tm.so"
>loadmodule "/usr/lib/openser/modules/rr.so"
>loadmodule "/usr/lib/openser/modules/maxfwd.so"
>loadmodule "/usr/lib/openser/modules/usrloc.so"
>loadmodule "/usr/lib/openser/modules/uri.so"
>loadmodule "/usr/lib/openser/modules/uri_db.so"
>loadmodule "/usr/lib/openser/modules/mediaproxy.so"
>loadmodule "/usr/lib/openser/modules/nathelper.so"
>loadmodule "/usr/lib/openser/modules/textops.so"
>loadmodule "/usr/lib/openser/modules/avpops.so"
>loadmodule "/usr/lib/openser/modules/domain.so"
>#loadmodule "/usr/lib/openser/modules/permissions.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("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("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")
>
>modparam("domain", "db_url", "mysql://openserro:pass@localhost/openser")
>modparam("domain", "db_mode", 1)
>
>modparam("usrloc", "db_url", "mysql://openser:pass@localhost/openser")
>modparam("usrloc", "db_mode", 1)
>modparam("usrloc", "use_domain", 1)
>
>modparam("uri_db", "db_url", "mysql://openserro:pass@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();	
>	};
>
>	# -----------------------------------------------------------------
>	# 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("xxx.xxx.xxx.xxx");
>    route(1);
>}
>
>route[3] {
>
>	# -----------------------------------------------------------------
>	# INVITE Message Handler
>	# -----------------------------------------------------------------
>
>	if (client_nat_test("3")) {
>		setflag(7);
>		force_rport();
>		fix_nated_contact();
>	};
>
>    rewritehost("xxx.xxx.xxx.xxx");
>	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();
>	};
>}
>  
>
>------------------------------------------------------------------------
>
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>  
>





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