[OpenSIPS-Users] ERROR:rtpengine:rtpe_function_call: proxy replied with error: Unknown call-id

Prathibha B prathibhab.tvm at gmail.com
Tue Sep 19 08:09:13 UTC 2023


I am getting this error:

ERROR:rtpengine:rtpe_function_call: proxy replied with error: Unknown
call-id

How to resolve this?

I've attached the opensips.cf file with this email.

-- 
Regards,
B.Prathibha
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####### Global Parameters #########

#debug_mode=yes

log_level=3
xlog_level=3
log_stderror=no
log_facility=LOG_LOCAL0

udp_workers=4

#disable_dns_blacklist=no

#dns_try_ipv6=yes


socket=udp:172.31.34.24:5060 as 65.2.167.22:5060  # CUSTOMIZE ME
socket=tcp:172.31.34.24:5060 as 65.2.167.22:5060  # CUSTOMIZE ME
socket=tls:172.31.34.24:5061 as 65.2.167.22:5061  # CUSTOMIZE ME
socket=ws:172.31.34.24:8080 as 65.2.167.22:8080
socket=wss:172.31.34.24:7443 as 65.2.167.22:7443

####### Modules Section ########

#set module path
mpath="/usr/lib/x86_64-linux-gnu/opensips/modules/"

loadmodule "proto_udp.so"
loadmodule "proto_tcp.so"
loadmodule "proto_tls.so"
loadmodule "proto_ws.so"
loadmodule "proto_wss.so"
modparam("proto_wss", "wss_port", 7443)
modparam("proto_wss", "wss_max_msg_chunks", 16)

#### SIGNALING module
loadmodule "signaling.so"

#### StateLess module
loadmodule "sl.so"

#### Transaction Module
loadmodule "tm.so"
modparam("tm", "fr_timeout", 5)
modparam("tm", "fr_inv_timeout", 30)
modparam("tm", "restart_fr_on_each_reply", 0)
modparam("tm", "onreply_avp_mode", 1)

#### Record Route Module
loadmodule "rr.so"
/* do not append from tag to the RR (no need for this script) */
modparam("rr", "append_fromtag", 0)

#### MAX ForWarD module
loadmodule "maxfwd.so"

#### SIP MSG OPerationS module
loadmodule "sipmsgops.so"

#### FIFO Management Interface
loadmodule "mi_fifo.so"
modparam("mi_fifo", "fifo_name", "/tmp/opensips_fifo")
modparam("mi_fifo", "fifo_mode", 0666)

#### MYSQL module
loadmodule "db_mysql.so"

#### HTTPD module
loadmodule "httpd.so"
modparam("httpd", "port", 8888)

#### USeR LOCation module
loadmodule "usrloc.so"
modparam("usrloc", "nat_bflag", "NAT")
modparam("usrloc", "working_mode_preset", "single-instance-sql-write-back")
modparam("usrloc", "db_url",
	"mysql://root:root@localhost/opensips") # CUSTOMIZE ME

#### avpops module
loadmodule "avpops.so"
modparam("avpops", "db_url",
	"mysql://root:root@localhost/opensips") # CUSTOMIZE ME


#### REGISTRAR module
loadmodule "registrar.so"
modparam("registrar", "tcp_persistent_flag", "TCP_PERSISTENT")
modparam("registrar", "received_avp", "$avp(received_nh)")
/* uncomment the next line not to allow more than 10 contacts per AOR */
#modparam("registrar", "max_contacts", 10)

#### ACCounting module
loadmodule "acc.so"
/* what special events should be accounted ? */
modparam("acc", "early_media", 0)
modparam("acc", "report_cancels", 0)

modparam("acc", "detect_direction", 0)
modparam("acc", "db_url",
	"mysql://root:root@localhost/opensips") # CUSTOMIZE ME

#### AUTHentication modules
loadmodule "auth.so"
loadmodule "auth_db.so"
modparam("auth_db", "calculate_ha1", yes)
modparam("auth_db", "password_column", "password")
modparam("auth_db", "db_url",
	"mysql://root:root@localhost/opensips") # CUSTOMIZE ME
modparam("auth_db", "load_credentials", "")

loadmodule "alias_db.so"
modparam("alias_db", "db_url",
        "mysql://root:root@localhost/opensips") # CUSTOMIZE ME

#### DIALOG module
loadmodule "dialog.so"
modparam("dialog", "dlg_match_mode", 1)
modparam("dialog", "default_timeout", 21600)  # 6 hours timeout
modparam("dialog", "db_mode", 2)
modparam("dialog", "db_url",
	"mysql://root:root@localhost/opensips") # CUSTOMIZE ME

####  NAT modules
loadmodule "nathelper.so"
modparam("nathelper", "natping_interval", 10)
modparam("nathelper", "ping_nated_only", 1)
modparam("nathelper", "sipping_bflag", "SIP_PING_FLAG")
modparam("nathelper", "sipping_from", "sip:pinger at 127.0.0.1") #CUSTOMIZE ME
modparam("nathelper", "received_avp", "$avp(received_nh)")

####  DIALPLAN module
loadmodule "dialplan.so"
modparam("dialplan", "db_url",
        "mysql://root:root@localhost/opensips") # CUSTOMIZE ME

####  MI_HTTP module
loadmodule "mi_http.so"

loadmodule "proto_udp.so"
loadmodule "proto_tcp.so" 

loadmodule "tls_openssl.so"
#loadmodule "tls_wolfssl.so"
loadmodule "tls_mgm.so"
modparam("tls_mgm","server_domain", "default")
modparam("tls_mgm","verify_cert", "[default]0")
modparam("tls_mgm","require_cert", "[default]0")
#modparam("tls_mgm","certificate", "[default]/etc/opensips/tls/rootCA/cacert.pem")
#modparam("tls_mgm","private_key", "[default]/etc/opensips/tls/rootCA/private/cakey.pem")
#modparam("tls_mgm","ca_list", "[bp3.erss.in]/etc/opensips/tls/user/user-calist.pem")
modparam("tls_mgm", "tls_method", "[default]SSLv23")
modparam("tls_mgm","tls_library","openssl")
#modparam("tls_mgm", "certificate", "[default]/etc/opensips/tls/user/caKey.pem")
#modparam("tls_mgm", "private_key", "[default]/etc/opensips/tls/user/privateKey.pem")
#modparam("tls_mgm", "client_domain", "14.139.
modparam("tls_mgm", "certificate", "[default]/home/ubuntu/cert.pem")
modparam("tls_mgm", "private_key", "[default]/home/ubuntu/privkey.pem")

loadmodule "rtpengine.so"
modparam("rtpengine", "rtpengine_sock", "udp:172.31.34.24:2225")
####### Routing Logic ########

# main request routing logic

route{

	# initial NAT handling; detect if the request comes from behind a NAT
        # and apply contact fixing
        force_rport();
        if (nat_uac_test(23)) {
                if (is_method("REGISTER")) {
                        fix_nated_register();
                        setbflag("NAT");
                } else {
                        fix_nated_contact();
                        setflag("NAT");
                }
        }

	if (!mf_process_maxfwd_header(10)) {
		send_reply(483,"Too Many Hops");
		exit;
	}

	if (has_totag()) {

		# handle hop-by-hop ACK (no routing required)
		if ( is_method("ACK") && t_check_trans() ) {
			t_relay();
			exit;
		}

		# sequential request within a dialog should
		# take the path determined by record-routing
		if ( !loose_route() ) {
			# we do record-routing for all our traffic, so we should not
			# receive any sequential requests without Route hdr.
			send_reply(404,"Not here");
			exit;
		}

		# validate the sequential request against dialog
		if ( $DLG_status!=NULL && !validate_dialog() ) {
			xlog("In-Dialog $rm from $si (callid=$ci) is not valid according to dialog\n");
			## exit;
		}

		if (is_method("BYE")) {
			# do accounting even if the transaction fails
			do_accounting("db","failed");
			
		}

		# route it out to whatever destination was set by loose_route()
		# in $du (destination URI).
		route(relay);
		exit;
	}

	# CANCEL processing
	if (is_method("CANCEL")) {
		if (t_check_trans())
			t_relay();
		exit;
	}

	# absorb retransmissions, but do not create transaction
	t_check_trans();

	if ( !(is_method("REGISTER")  ) ) {
		
		if (is_myself("$fd")) {
					
			# authenticate if from local subscriber
			# authenticate all initial non-REGISTER request that pretend to be
			# generated by local subscriber (domain from FROM URI is local)
			if (!proxy_authorize("", "subscriber")) {
				proxy_challenge("", "auth");
				exit;
			}
			if ($au!=$fU) {
				send_reply(403,"Forbidden auth ID");
				exit;
			}

			consume_credentials();
			# caller authenticated
			
		} else {
			# if caller is not local, then called number must be local
			
			if (!is_myself("$rd")) {
				send_reply(403,"Relay Forbidden");
				exit;
			}
		}

	}

	# preloaded route checking
	if (loose_route()) {
		xlog("L_ERR","Attempt to route with preloaded Route's [$fu/$tu/$ru/$ci]");
		if (!is_method("ACK"))
			send_reply(403,"Preload Route denied");
		if (is_method("INVITE")) {
                        # even if in most of the cases is useless, do RR for
                        # re-INVITEs alos, as some buggy clients do change route set
                        # during the dialog.
                        record_route();
                }
		exit;
	}

	# record routing
	if (!is_method("REGISTER|MESSAGE"))
		record_route();

	# account only INVITEs
	if (is_method("INVITE")) {
		
		# create dialog with timeout
		if ( !create_dialog("B") ) {
			send_reply(500,"Internal Server Error");
			exit;
		}
		
		do_accounting("db");
		
	}

	
	if (!is_myself("$rd")) {
		append_hf("P-hint: outbound\r\n"); 
		
		route(relay);
	}

	# requests for my domain
	
	if (is_method("PUBLISH|SUBSCRIBE")) {
		send_reply(503, "Service Unavailable");
		exit;
	}

	if (is_method("REGISTER")) {
		xlog("Do REGISTER AUTH : [$rm] ci[$ci] si[$si] sp[$sp] rd[$rd] rU[$rU] fU[$fU]");
		# authenticate the REGISTER requests
                if (!www_authorize("", "subscriber")) {
                        www_challenge("", "auth");
                        exit;
                }

                if ($au!=$tU) {
                        send_reply(403,"Forbidden auth ID");
                        exit;
                }
                if ($socket_in(proto) == "tcp" || $socket_in(proto) == "tls")
                        setflag("TCP_PERSISTENT");
                if (isflagset("NAT")) {
                        setbflag("SIP_PING_FLAG");
                }
                # store the registration and generate a SIP reply
                if (!save("location")){
                        sl_reply_error();
                        xlog("failed to register AoR $tu\n");
                        exit;
                }

                exit;
		#route(AUTH);
		
	}

	if ($rU==NULL) {
		# request with no Username in RURI
		send_reply(484,"Address Incomplete");
		exit;
	}

	# apply DB based aliases
        alias_db_lookup("dbaliases");


        # apply transformations from dialplan table
        dp_translate( 0, "$rU", $rU);

        # check if the clients are using WebSockets or WebSocketSecure
        if ($socket_in(proto) == "WS" || $socket_in(proto) == "WSS")
                setflag('SRC_WS');
        else
                setflag('SRC_SIP');


        # consider the client is behind NAT - always fix the contact
        fix_nated_contact();

	if (is_method("REGISTER")) {

                # indicate that the client supports DTLS
                # so we know when he is called
                if (isflagset('SRC_WS'))
                        setbflag('DST_WS');

                fix_nated_register();
                if (!save("location"))
                        sl_reply_error();

                exit;
        }

	# do lookup with method filtering
	if (!lookup("location","m")) {
		if (!db_does_uri_exist("$ru","subscriber")) {
			send_reply(420,"Bad Extension");
			exit;
		}
		
		t_reply(404, "Not Found");
		exit;
	} 

	

	# when routing via usrloc, log the missed calls also
	do_accounting("db","missed");
	
	route(relay);
}

route[AUTH]{
	# authenticate the REGISTER requests
		$var(authRslt) = www_authorize("", "subscriber"); 
        xlog("register auth result [$var(authRslt)] rd [$rd] user[$fU] tu[$tu] source ip[$si]");
		switch ($var(authRslt)) {
    		  case -1:
        		send_reply(404, "Not Found");
        		exit;
    		  case -2:
    		  case -5:
        		send_reply(403, "Forbidden");
       			 exit;
    		  case -3:
    		  case -4:
        		www_challenge("","auth");  
        		exit;
		}
		if ($au!=$tU) {
			send_reply(403,"Forbidden auth ID");
			exit;
		}
		if ($socket_in(proto) == "tcp")
			setflag("TCP_PERSISTENT");
	

	 	avp_db_query("select count(*) from location where username = '$fU' and contact like 'sip:$fU@$si%'", "$avp(existExtenCount)");
		if ( $avp(existExtenCount) < 1 ) {
			xlog("SIP contact ct:[$ct] tu:[$tu] si[$si] did not registe on, then check registe status for tU:[$tU].");

			avp_db_query("select count(*) from location where username = '$fU'", "$avp(ct4fU)");
			if ( $avp(ct4fU) > 0) {
				xlog("L_WARN", "Forbid $ct to registe on, cuase by : exist another $fU has registed");
				send_reply(403, "Occupied");
				exit;
			}
		}else{
			xlog("--->SIP contact ct:[$ct] tu:[$tu] si[$si] is registe on, then update registe status for tU:[$tU].");
		}		
		# store the registration and generate a SIP reply
		if (!save("location"))
			xlog("failed to register AoR $tu\n");

		exit;
}


route[relay] {
	# for INVITEs enable some additional helper routes
	if (is_method("INVITE")) {
		
		

		#t_on_branch("per_branch_ops");
		t_on_branch("handle_nat");
		t_on_reply("handle_nat");
		t_on_failure("missed_call");
	}

	

	if (!t_relay()) {
		send_reply(500,"Internal Error");
	}
	exit;
}




#branch_route[per_branch_ops] {
#branch_route[handle_nat] {
#	  xlog("------------> SCRIPT:DBG BRANCH $T_branch_idx, $oP request $ru contact(s) $ct\n$cs\n $rm: message flags: $mf\n branch flags: $bf\n");
 # 	if(has_body("application/sdp")) {
  #      	$var(rtpengine_flags) = "RTP/AVP";
        	#$var(rtpengine_flags) = "ICE=force-relay DTLS=passive";
  #      	xlog("L_INFO", "INFO: RTPengine options: $var(rtpengine_flags)");
#	        rtpengine_offer("$var(rtpengine_flags)");
#       		rtpengine_play_media("file=/root/rtpengine/media/std_audio_file.wav");
#	}
	
#}


#onreply_route[handle_nat] {
#  fix_nated_contact();
#  xlog("L_DBG","SCRIPT:DBG $var(reply_log) $cs: $rs: response\nmessage flags: $mf\nbranch flags: $bf\n");
#  if(has_body("application/sdp")) {
#       $var(rtpengine_flags) = "RTP/AVP";
       # $var(rtpengine_flags) = "ICE=force-relay DTLS=passive";
#        xlog("L_INFO", "INFO: RTPengine options: $var(rtpengine_flags)");
#        rtpengine_answer("$var(rtpengine_flags)");
#    }	
#}

branch_route[handle_nat] {

	if (!is_method("INVITE") || !has_body("application/sdp"))
		return;

	if (isflagset('SRC_WS') && isbflagset('DST_WS'))
		$var(rtpengine_flags) = "ICE=force-relay DTLS=passive";
	else if (isflagset('SRC_WS') && !isbflagset('DST_WS'))
		$var(rtpengine_flags) = "RTP/AVP replace-session-connection replace-origin ICE=remove";
	else if (!isflagset('SRC_WS') && isbflagset('DST_WS'))
		$var(rtpengine_flags) = "UDP/TLS/RTP/SAVPF ICE=force";
	else if (!isflagset('SRC_WS') && !isbflagset('DST_WS'))
		$var(rtpengine_flags) = "RTP/AVP replace-session-connection replace-origin ICE=remove";

	rtpengine_offer("$var(rtpengine_flags)");
	rtpengine_start_recording();
}

onreply_route[handle_nat] {

	fix_nated_contact();
	if (!has_body("application/sdp"))
		return;

	if (isflagset('SRC_WS') && isbflagset('DST_WS'))
		$var(rtpengine_flags) = "ICE=force-relay DTLS=passive";
	else if (isflagset('SRC_WS') && !isbflagset('DST_WS'))
		$var(rtpengine_flags) = "UDP/TLS/RTP/SAVPF ICE=force";
	else if (!isflagset('SRC_WS') && isbflagset('DST_WS'))
		$var(rtpengine_flags) = "RTP/AVP replace-session-connection replace-origin ICE=remove";
	else if (!isflagset('SRC_WS') && !isbflagset('DST_WS'))
		$var(rtpengine_flags) = "RTP/AVP replace-session-connection replace-origin ICE=remove";

	rtpengine_answer("$var(rtpengine_flags)");
	rtpengine_start_recording();
}

failure_route[missed_call] {
	if (t_was_cancelled()) {
		exit;
	}

	# uncomment the following lines if you want to block client 
	# redirect based on 3xx replies.
	##if (t_check_status("3[0-9][0-9]")) {
	##t_reply(404,"Not found");
	##	exit;
	##}

	
}



local_route {
	if (is_method("BYE") && $DLG_dir=="UPSTREAM") {
		
		acc_db_request("200 Dialog Timeout", "acc");
		
	}
}


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