Re: Assistance on WebRTC implementation with Kamilio, RTPengine and FS on a 1:1 NAT Cloud VM

can you show us a complete trace? both sides
Regards,

David Villasmil
email: [email protected]



On Tue, Feb 3, 2026 at 7:39 PM Goons via sr-users <
[email protected]> wrote:

> daramola76＠gmail.com wrote:
> > Hello Sergio Charrua
> > Find below the necessary routing blocks, I have made some adjustments to
> the previous routing blocks.
> > #!ifdef WITH_WEBSOCKETS
> > event_route[xhttp:request] {
> >     set_reply_close();
> >     set_reply_no_connect();
> >     if ($Rp != MY_WS_PORT && $Rp != MY_WSS_PORT
> >     ) {
> >       xlog("L_WARN", "HTTP request received on $Rp\n");
> >       xhttp_reply("403", "Forbidden", "", "");
> >       exit;
> >     }
> > xlog("L_INFO", "HTTP Request Received\n");
> > if ($hdr(Upgrade) =~ "websocket"
> >       && $hdr(Connection) =~ "Upgrade"
> >       && $rm =~ "GET"
> >     ) {
> >       if ($hdr(Host) == $null) {
> >               xlog("L_WARN", "Bad host $hdr(Host)\n");
> >               xhttp_reply("403", "Forbidden", "", "");
> >               exit;
> >       }
> >       if (ws_handle_handshake()) {
> >               exit;
> >       }
> >     }
> > xhttp_reply("404", "Not Found", "", "");
> > }
> > event_route[websocket:closed] {
> >     xlog("L_INFO", "WebSocket connection from $si:$sp has closed\n");
> > }
> > #!endif
> > request_route {
> >         xlog("L_ALERT"," ------- New Call (Routing) ----- $rm \n");
> >         xlog("L_INFO",
> >         "[REQ-IN] "
> >         "src=$si:$sp "
> >         "dst=$Ri:$Rp "
> >         "du =$du "
> >         "proto=$proto "
> >         "ru=$ru "
> >         "ruri_user=$rU "
> >         "from=$fu "
> >         "to=$tu "
> >         "callid=$ci "
> >         "ct=$hdr(Content-Type)\n"
> >     );
> > #!ifdef WITH_WEBSOCKETS
> >     if (nat_uac_test(64)) {
> >               force_rport();
> >       if (is_method("REGISTER")) {
> >               fix_nated_register();
> >               xlog("L_INFO", "Fixed NAT registration for $fu\n");
> >       } else {
> >               if (!add_contact_alias()) {
> >               xlog("L_ERR", "Error aliasing contact <$ct> from
> $si:$sp\n");
> >               sl_send_reply("400", "Bad Request");
> >               exit;
> >               }
> >         xlog("L_INFO", "Added contact alias from $si:$sp\n");
> >               }
> >       }
> > #!endif
> >         route(REQINIT);
> >         route(SET_DIRECTION_FLAG);
> >         # NAT detection
> >         route(NATDETECT);
> > if ( is_method("OPTIONS") ) {
> >                 if($fU=='sipsak'){
> >                         sl_send_reply("500", "Server Dead");
> >                         exit;
> >                 }
> >         }
> > if ( is_method("INFO") ) {
> >                 sl_send_reply("200", "OK");
> >                 exit;
> >         }
> > #!ifdef WITH_HOMER
> >         #start duplicate the SIP message now
> >                         sip_trace();
> >                         setflag(22);
> >         #!endif
> >         # per request initial checks
> > # handle requests within SIP dialogs
> >         route(WITHINDLG);
> > ### only initial requests (no To tag)
> > # CANCEL processing
> >         if (is_method("CANCEL")){
> >                 if (t_check_trans())
> >                         t_relay();
> >                 exit;
> >         }
> >         t_check_trans();
> >         # authentication
> >         route(AUTH);
> >         # record routing for dialog forming requests (in case they are
> routed)
> >         # - remove preloaded route headers
> >         remove_hf("Route");
> >         remove_hf("X-VoipMonitor-Custom1");
> > if (is_method("INVITE|SUBSCRIBE")){
> >                 record_route_preset("x.x.x.x:5060;nat=yes");
> >         }
> > # account only INVITEs
> >         if (is_method("INVITE"))
> >         {
> >                 setflag(FLT_ACC); # do accounting
> >         }
> >         # handle registrations
> >         route(REGISTRAR);
> >         if ($rU==$null)
> >         {
> >                 # request with no Username in RURI
> >                 sl_send_reply("484","Address Incomplete");
> >                 exit;
> >         }
> > # dispatch destinations to PSTN
> >         route(PSTN);
> >         # user location service
> >         route(LOCATION);
> >         xlog("L_INFO",
> >     "REQ OUT $rm | via proto=$proto sndto=$sndto(proto) "
> >     "dst=$sndto(ip):$sndto(port) du=$du\n"
> > );
> > route(RELAY);
> > }
> > onsend_route {
> >     #if(to_ip==1.2.3.4 && !isflagset(12)){
> >     xlog("L_WARN", "[onsend_route] Packet going to $du [$mb]\n" );
> >     #}
> > }
> > route[RELAY] {
> > if (is_method("INVITE|SUBSCRIBE|UPDATE|INFO")) {
> >                 route(SET_RTP_REQUEST);
> >                 t_on_branch("MANAGE_BRANCH");
> >                 t_on_reply("MANAGE_REPLY");
> >         }
> >         if (is_method("INVITE|UPDATE|INFO")) {
> >                 t_on_failure("MANAGE_FAILURE");
> >         }
> > if (!t_relay()) {
> >                 sl_reply_error();
> >         }
> >         exit;
> > }
> > # Per SIP request initial checks
> > route[REQINIT] {
> > #!ifdef WITH_ANTIFLOOD
> >         #!ifdef WITH_EXEC
> >                         #Run-time IPTable
> >                         if ($ua =~ "(VoipSwitch|Asterisk)") {
> >                                 xdbg("Callfrom UA $ua\n");
> >                         } else if($ua =~
> "(zxcvfdf11|friendly-scanner|pplsip|sipvicious|sipcli|VaxSIPUserAgent|voxalot|MizuPhone|Ozeki|tramb2017|voip|hello|Independant|Skipper)")
> {
> >                                 # silent drop for scanners
> >                                 xlog("L_INFO","Blocking scanners and
> pushing IPs to iptables");
> >                                 exec_avp("iptables -I INPUT -s $si -j
> DROP");
> >                                 exec_avp("/sbin/service iptables save");
> >                                 sl_send_reply("403", "Forbidden");
> >                                 exit;
> >                         }
> >         #!endif
> > if (is_method("REGISTER")){
> >                 if (!mf_process_maxfwd_header("10")) {
> >                         sl_send_reply("483","Too Many Hops");
> >                         exit;
> >                 }
> >                 if(!sanity_check("1511", "7")) {
> >                         xlog("L_ALERT","Malformed SIP message from
> $si:$sp\n");
> >                         send_reply("403", "Forbidden");
> >                         exit;
> >                 }
> >                 return 1;
> >         }
> >         if(is_method("INVITE") || is_method("SUBSCRIBE") ||
> is_method("REGISTER")){
> >         # flood detection from same IP and traffic ban for a while
> >                 # be sure you exclude checking trusted peers, such as
> pstn gateways
> >                 # - local host excluded (e.g., loop to self)
> >         if(src_ip!=myself)      {
> >                         if($sht(ipban=>$si)!=$null) {
> >                                 # $fu is already blocked
> >                                 xdbg("request from blocked User - $fU,
> $rm from $fu (IP:$si:$sp)\n");
> >                                 if(is_method("INVITE")){
> >                                                 xlog("L_ALERT"," ALERT:
> $fU user source IP Address $si:$sp is already blocked.\n");
> >                                 }
> >                                 send_reply("403", "Forbidden");
> >                                 exit;
> >                         }
> >                         if (!pike_check_req()) {
> >                                 xlog("L_ALERT","Blocking traffic from
> $si\n");
> >                                 xlog("L_ALERT","ALERT: pike blocking
> $fU, $rm from $fu  (IP:$si:$sp)\n");
> >                                 $sht(ipban=>$si) = 1;
> >                                 xlog("L_ALERT","ALERT: $fU user source
> IP Address $si:$sp is blocking by system.\n");
> >                                 xlog("L_INFO","ALERT: INSERT INTO
> `htable` (`key_name`, `key_value`, ip, htime,serverid) VALUES ('$si',
> '1','$si',now(),'1')\n");
> >                                 sql_xquery("ca","INSERT INTO `htable`
> (`key_name`, `key_value`, ip, htime,serverid) VALUES ('$si',
> '1','$si',now(),'1')", "ra");
> >                                 sql_xquery("ca","INSERT INTO
> `htabledump` (`key_name`, `key_value`, ip, htime,serverid) VALUES ('$si',
> '1','$si',now(),'1')", "ra");
> >                                 send_reply("403", "Forbidden");
> >                                 exit;
> >                         }
> >                 }
> >                 if($ua =~ "friendly-scanner") {
> >                                 sl_send_reply("200", "OK");
> >                                 exit;
> >                 }
> >         }
> > if(!is_method("OPTIONS") && !is_method("SUBSCRIBE") &&
> !is_method("NOTIFY") && !is_method("INVITE")){
> >                 if(src_ip!=myself) {
> >                         if($sht(userban=>$fU)!=$null) {
> >                                 xdbg("request from blocked User - $fU,
> $rm from $fu (IP:$si:$sp)\n");
> >                                 if(is_method("INVITE")){
> >                                         xlog("L_ALERT"," ALERT: $fU user
> source IP Address $si:$sp is already blocked.\n");
> >                                 }
> >                                 send_reply("403", "Forbidden");
> >                                 exit;
> >                         }
> >                         if (!pike_check_req()) {
> >                                 xlog("L_ALERT","ALERT: pike blocking
> $fU, $rm from $fu  (IP:$si:$sp)\n");
> >                                 xlog("L_ALERT","Blocking traffic from
> $si\n");
> >                                 $sht(userban=>$fU) = 1;
> > xlog("L_ALERT","ALERT: $fU user source IP Address $si:$sp is blocking by
> system.\n");
> >                                 xlog("L_INFO","ALERT: INSERT INTO
> `htable` (`key_name`, `key_value`, ip, htime,serverid) VALUES ('$fU',
> '1','$si',now(),'1')\n");
> >                                 sql_xquery("ca","INSERT INTO `htable`
> (`key_name`, `key_value`, ip, htime,serverid) VALUES ('$fU',
> '1','$si',now(),'1')", "ra");
> >                                 sql_xquery("ca","INSERT INTO
> `htabledump` (`key_name`, `key_value`, ip, htime,serverid) VALUES ('$fU',
> '1','$si',now(),'1')", "ra");
> >                                 send_reply("403", "Forbidden");
> >                                 exit;
> >                         }
> >                 }
> >                 if($ua =~ "friendly-scanner") {
> >                                 sl_send_reply("200", "OK");
> >                                 exit;
> >                 }
> >         }
> > #!endif
> > if (!mf_process_maxfwd_header("10")) {
> >                 sl_send_reply("483","Too Many Hops");
> >                 exit;
> >         }
> >         if(is_method("OPTIONS") && uri==myself && $rU==$null) {
> >                 sl_send_reply("200","Keepalive");
> >                 exit;
> >         }
> > if(!sanity_check("1511", "7")) {
> >                 xlog("Malformed SIP message from $si:$sp\n");
> >                 exit;
> >         }
> > }
> > route[WITHINDLG] {
> >         if (has_totag()) {
> >                 if (loose_route()) {
> >                         if (is_method("BYE")) {
> >                                 setflag(FLT_ACC); # do accounting ...
> >                                 setflag(FLT_ACCFAILED); # ... even if
> the transaction fails
> >                                 rtpengine_delete();
> >                         }
> >                         if ( is_method("ACK") ) {
> >                                 # ACK is forwarded statelessy
> >                                 route(NATMANAGE);
> >                         }
> >                         remove_hf("X-FROMURI");
> >                         remove_hf("X-CARRIERCPS");
> >                         remove_hf("X-CARRIERID");
> >                         remove_hf("X-MEDIP");
> >                         remove_hf("X-ACCOUNTCODE");
> >                         remove_hf("X-DEVICEID");
> >                         remove_hf("X-DEVICECC");
> >                         remove_hf("X-DEVICECPS");
> >                         remove_hf("X-ACCOUNTID");
> >                         remove_hf("X-ACCOUNTCC");
> >                         remove_hf("X-ACCOUNTCPS");
> >                         remove_hf("X-WITHMEDIA");
> >                         remove_hf("X-DEVICETYPE");
> >                         remove_hf("X-SRC-ACCOUNT");
> >                         remove_hf("X-SRC-MED-IP");
> >                         remove_hf("X-FS-Support");
> >                         remove_hf("X-DSTURI");
> >                         remove_hf("X-GMEDIA");
> >                         remove_hf("X-RE");
> >                         remove_hf("X-Billing-Code");
> >                         remove_hf("X-AI");
> >                         remove_hf("X-PU");
> >                         remove_hf("X-MEDIATRA");
> >                         remove_hf("X-INCOMINGCARRIER");
> >                         remove_hf("X-INCOMINGCARRIERDST");
> >                         remove_hf("X-DEVICEID-1");
> >                         remove_hf("Allow-Events");
> >                         msg_apply_changes();
> >                         route(RELAY);
> >                 } else {
> >                         if (is_method("SUBSCRIBE") && uri == myself) {
> >                                 # in-dialog subscribe requests
> >                                 sl_send_reply("404","Not here");
> >                                 exit;
> >                         }
> >                         if ( is_method("ACK") ) {
> >                                 if ( t_check_trans() ) {
> >                                         t_relay();
> >                                         exit;
> >                                 } else {
> >                                         exit;
> >                                 }
> >                         }
> >                         sl_send_reply("404","Not here");
> >                 }
> >                 exit;
> >         }
> > }
> > route[NATDETECT] {
> > #!ifdef WITH_NAT
> >         force_rport();
> >         if (nat_uac_test("19")) {
> >                 if (is_method("REGISTER")) {
> >                         fix_nated_register();
> >                 } else {
> >                         fix_nated_contact();
> >                 }
> >                 setflag(FLT_NATS);
> >                 setbflag(FLB_NATB);
> >         }
> >       if ($proto == "WS" || $proto == "WSS") {
> >       force_rport();
> >                 if (is_method("REGISTER")) {
> >                 fix_nated_register();
> >                 add_path_received();
> >               }
> >             setflag(FLT_NATS);
> >               setbflag(FLB_NATB);
> >                 xlog("L_INFO", "WebRTC client detected: $si:$sp\n");
> >       }
> > #!endif
> >         return;
> > }
> > route[NATMANAGE] {
> >     if (is_request()) {
> >         if(has_totag()) {
> >             if(check_route_param("nat=yes")) {
> >                 setbflag(FLB_NATB);
> >             }
> >         }
> >     }
> >     if (!(isflagset(FLT_NATS) || isbflagset(FLB_NATB))) return;
> > if (is_request()) {
> >         if (!has_totag()) {
> >             if(t_is_branch_route()) {
> >                 add_rr_param(";nat=yes");
> >             }
> >         }
> >     }
> >     if (is_reply()) {
> >         if(isbflagset(FLB_NATB)) {
> >             if(is_first_hop())
> >                 set_contact_alias();
> >         }
> >     }
> >     return;
> > }
> > route[PSTN] {
> > if($hdr(X-DSTURI) == $null){
> >                         return;
> >                 }else {
> > #!ifdef WITH_FREESWITCH
> >                         if(route(FROMFREESWITCH)){
> >                                 #External Call  sip_h_X-CARRIERCPS
> sip_h_X-CARRIERID
> >                                 $var(CARRIERCPS) = $hdr(X-CARRIERCPS);
> >                                 $var(CARRIERID) = $hdr(X-CARRIERID);
> >                                 xlog("L_ALERT","Carrier Allowed CPS
> $var(CARRIERCPS) for carrier $hdr(X-CARRIERID)\n");
> >                                 if(route(CCPSCHECK)){
> >                                           sl_send_reply("515", "Limit
> issue");
> >                                           exit;
> >                                 }
> >                                 $avp(oexten) = $rU;
> >                                 $ru = $hdr(X-DSTURI);
> >                                 #$du = $null;
> >                                 $tu = $ru;
> >                                 $var(MEDIATRA) = $hdr(X-MEDIATRA);
> >                                 if($hdr(X-MEDIATRA) == '1'){
> >                                         setflag(FLT_NATS);
> >                                 }else{
> >                                         resetflag(FLT_NATS);
> >                                 }
> >                                 remove_hf("X-FROMURI");
> >                                 remove_hf("X-CARRIERCPS");
> >                                 remove_hf("X-CARRIERID");
> >                                 remove_hf("X-MEDIP");
> >                                 remove_hf("X-ACCOUNTCODE");
> >                                 remove_hf("X-DEVICEID");
> >                                 remove_hf("X-DEVICECC");
> >                                 remove_hf("X-DEVICECPS");
> >                                 remove_hf("X-ACCOUNTID");
> >                                 remove_hf("X-ACCOUNTCC");
> >                                 remove_hf("X-ACCOUNTCPS");
> >                                 remove_hf("X-WITHMEDIA");
> >                                 remove_hf("X-DEVICETYPE");
> >                                 remove_hf("X-SRC-ACCOUNT");
> >                                 remove_hf("X-SRC-MED-IP");
> >                                 remove_hf("X-FS-Support");
> >                                 remove_hf("X-DSTURI");
> >                                 remove_hf("X-GMEDIA");
> >                                 remove_hf("X-RE");
> >                                 remove_hf("X-AI");
> >                                 remove_hf("X-PU");
> >                                 remove_hf("X-MEDIATRA");
> >                                 remove_hf("Allow-Events");
> >                                 remove_hf("User-Agent");
> >                                 remove_hf("X-INCOMINGCARRIER");
> >                                 remove_hf("X-INCOMINGCARRIERDST");
> >                                 remove_hf("X-Billing-Code");
> >                                 remove_hf("X-DEVICEID-1");
> >                                 append_hf("User-Agent: \r\n");
> >                                 msg_apply_changes();
> >                                 # when routing via usrloc, log the
> missed calls also
> >                                 if (is_method("INVITE")) {
> >                                         setflag(FLT_ACCMISSED);
> >                                 }
> >                                 if($(var(CARRIERID){s.len}) > 1 ){
> >                                         route(CCPSSET);
> >                                 }
> >                                 route(RELAY);
> >                                 exit;
> >                         }
> >                 }
> >                 #!endif
> > }
> > branch_route[MANAGE_BRANCH] {
> >         xdbg("new branch [$T_branch_idx] to $ru\n");
> >         route(NATMANAGE);
> > }
> > onreply_route[MANAGE_REPLY] {
> >         xlog("L_INFO",
> >         "[REPLY-IN] "
> >         "method=$rm "
> >         "src=$si:$sp "
> >         "dst=$Ri:$Rp "
> >         "du=$du "
> >         "proto=$proto "
> >         "ru=$ru "
> >         "to-tag=$tt "
> >         "to-tag=$(tt{s.len}) "
> >         "ct=$hdr(Content-Type)\n"
> >     );
> >     xdbg("incoming reply\n");
> > #     if (!has_body("application/sdp")) return;
> > #     if (!($rs == 183 || $rs == 200)) return;
> > #     if (!has_totag()) return;
> >     route(NATMANAGE);
> >     route(SET_DIRECTION_FLAG);
> >     route(SET_RTP_REPLY);
> > }
> > failure_route[MANAGE_FAILURE] {
> >         route(NATMANAGE);
> >         route(SET_RTP_REPLY);
> >         if (t_is_canceled()) {
> >                 exit;
> >         }
> > #!ifdef WITH_BLOCK3XX
> >         if (t_check_status("3[0-9][0-9]")) {
> >                 t_reply("404","Not found");
> >                 exit;
> >         }
> > #!endif
> > #!ifdef WITH_CODE486408
> >         # serial forking
> >         if (t_check_status("408")) {
> >                 t_reply("486","Busy");
> >                 exit;
> >         }
> >         if (t_check_status("408")) {
> >                 t_reply("486","Request Timeout");
> >                 exit;
> > }
> > #!endif
> > }
> > route[SET_DIRECTION_FLAG] {
> > # === FROM CORE ===
> >     if ( is_ip_rfc1918("$si") ) {
> > # Core → WebRTC
> >         if ($proto == "ws" || $proto == "wss" || $ru =~
> "transport=(ws|wss)") {
> >             xlog("L_INFO", "[DIR] CORE → WEBRTC | src=$si proto=$proto
> ru=$ru du=$du\n");
> >             setflag(FLB_FROM_CORE_TO_WEBRTC);
> >             return;
> >         }
> > # Core → SIP
> >         xlog("L_INFO", "[DIR] CORE → SIP | src=$si proto=$proto ru=$ru
> du=$du\n");
> >         setflag(FLB_FROM_CORE_TO_SIP);
> >         return;
> >     }
> > # === FROM PUBLIC ===
> >     else {
> > # Public → WebRTC
> >         if ($proto == "ws" || $proto == "wss") {
> >             xlog("L_INFO", "[DIR] PUBLIC → WEBRTC | src=$si proto=$proto
> ru=$ru du=$du\n");
> >             setflag(FLB_FROM_PUBLIC_FROM_WEBRTC);
> >             return;
> >         }
> > # Public → SIP
> >         xlog("L_INFO", "[DIR] PUBLIC → SIP | src=$si proto=$proto ru=$ru
> du=$du\n");
> >         setflag(FLB_FROM_PUBLIC_FROM_SIP);
> >         return;
> >     }
> > }
> > route[SET_RTP_REQUEST] {
> >         if (!is_method("UPDATE|INVITE"))   {
> >                 return 0;
> >         }
> > if (sdp_content()) {
> >                 $avp(originalSDP) = $rb;
> >                 if(isflagset(FLB_FROM_PUBLIC_FROM_WEBRTC)) {
> >                         xlog("L_INFO", "SET_RTP_REQUEST | FROM PUBLIC
> FROM WEBRTC");
> >                         rtpengine_manage("replace-origin
> replace-session-connection RTP/AVP ICE=remove direction=external
> direction=internal");
> >                 }
> >                 if(isflagset(FLB_FROM_PUBLIC_FROM_SIP)) {
> >                         xlog("L_INFO", "SET_RTP_REQUEST | FROM PUBLIC
> FROM SIP");
> >                         rtpengine_manage("replace-origin
> replace-session-connection RTP/AVP ICE=remove direction=external
> direction=internal");
> >                 }
> >                 if(isflagset(FLB_FROM_CORE_TO_WEBRTC)) {
> >                         xlog("L_INFO", "SET_RTP_REQUEST | FROM CORE TO
> WEBRTC");
> >                         rtpengine_manage("replace-origin
> replace-session-connection RTP/SAVPF ICE=force direction=internal
> direction=external");
> >                 }
> >                 if(isflagset(FLB_FROM_CORE_TO_SIP)) {
> >                         xlog("L_INFO", "SET_RTP_REQUEST | FROM CORE TO
> SIP");
> >                         rtpengine_manage("replace-origin
> replace-session-connection RTP/AVP direction=internal direction=external");
> >                 }
> >         }
> > }
> > route[SET_RTP_REPLY] {
> >         xlog("L_INFO", "SET_RTP_REPLY | ENTERING THE ROUTE BLOCK");
> > if (sdp_content()) {
> >                 $avp(originalSDP) = $rb;
> >                 if(isflagset(FLB_FROM_PUBLIC_FROM_WEBRTC)) {
> >                         xlog("L_INFO", "SET_RTP_REPLY | FROM PUBLIC FROM
> WEBRTC");
> >                         rtpengine_manage("replace-origin
> replace-session-connection RTP/AVP ICE=remove direction=external
> direction=internal");
> >                 }
> >                 if(isflagset(FLB_FROM_PUBLIC_FROM_SIP)) {
> >                         xlog("L_INFO", "SET_RTP_REPLY | FROM PUBLIC FROM
> SIP");
> >                         rtpengine_manage("replace-origin
> replace-session-connection RTP/AVP ICE=remove direction=external
> direction=internal");
> >                 }
> >                 if(isflagset(FLB_FROM_CORE_TO_WEBRTC)) {
> >                         xlog("L_INFO", "SET_RTP_REPLY | FROM CORE TO
> WEBRTC");
> >                         rtpengine_manage("replace-origin
> replace-session-connection RTP/SAVPF ICE=force direction=internal
> direction=external");
> >                 }
> >                 if(isflagset(FLB_FROM_CORE_TO_SIP)) {
> >                         xlog("L_INFO", "SET_RTP_REPLY | FROM CORE TO
> SIP");
> >                         rtpengine_manage("replace-origin
> replace-session-connection RTP/AVP direction=external direction=external");
> >                 }
> >         }
> > if ($rs=~"[3-6][0-9][0-9]") {
> >                 rtpengine_manage();
> >         }
> > }
> > #!ifdef WITH_FREESWITCH
> > route[FROMFREESWITCH] {
> >         if(ds_is_from_list("2")){
> >                 return 1;
> >         }
> >         return -1;
> > }
> > #!endif
> >From my request route Xlog, $du is null thus not allowing me set the
> right flag for RTP
>
> INFO: <script>: [REQ-IN] src=x.x.x.x:56338 dst=x.x.x.x:8443 du =<null>
> proto=wss ru=sip:xxx.xxx.xxx ruri_user=<null> from=sip:[email protected]
> to=sip:[email protected] callid=1dslee7rr24ecov8naga ct=<null>
>
>
> xlog("L_INFO",
>         "[REQ-IN] "
>         "src=$si:$sp "
>         "dst=$Ri:$Rp "
>         "du =$du "
>         "proto=$proto "
>         "ru=$ru "
>         "ruri_user=$rU "
>         "from=$fu "
>         "to=$tu "
>         "callid=$ci "
>         "ct=$hdr(Content-Type)\n"
>     );
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