[SR-Users] Kamailio + RTPEngine SIP Proxy...

[Social Boh]

Maybe:

if (loose_route()) {
                 route(DLGURI);
                 if (is_method("BYE")) {
                         setflag(FLT_ACC); # do accounting ...
                         setflag(FLT_ACCFAILED); # ... even if the 
transaction fails
                 } else if ( is_method("ACK") ) {
                         # ACK is forwarded statelessly
                         route(NATMANAGE);
*} else if ( is_method("NOTIFY") ) {**
**                        # Add Record-Route for in-dialog NOTIFY as per 
RFC 6665.**
**                        record_route();**
**                }*
                 route(RELAY);
                 exit;
         }

---
I'm SoCIaL, MayBe

El 7/09/2022 a las 12:01 a. m., Jerry Kendall escribió:
>
> Hi There....
>
> Hope someone can point me in the right direction.
>
>
> The config below allows the device to register and will send the 200 
> OK without issue
>
> It also allows the SUBSCRIBES to get in and a 202 Accepted is returned 
> properly.
>
> It also allows the device to send OPTION keepalives and they get 
> in/out OK
>
>
> The issue I am having at the moment is the outbount NOTIFY ofr the 
> SUBS and outbound OPTIONS for heartbeat.
>
>
> Can someone please point me at what I need to change so the OUTBOUND 
> messages get delivered.
>
>
> The issue I see is NAT related as the devices are behind firewalls at 
> location A.
>
> The Kamailio system and the inner PBX are all on Public IP.
>
>
>
> ################
>
> debug=3
> memdbg=5
> memlog=5
>
> log_facility=LOG_LOCAL0
>
> fork=yes
> children=4
>
> listen=udp:192.168.1.3:8081
> port=8081
>
> #!define FLAG_FROM_SWITCH 1
> #!define FLAG_FROM_DEVICE 2
>
> mpath="/usr/lib/x86_64-linux-gnu/kamailio/modules/"
> loadmodule "tm.so"
> loadmodule "sl.so"
> loadmodule "pv.so"
> loadmodule "rr.so"
> loadmodule "textops.so"
> loadmodule "textopsx.so"
> loadmodule "usrloc.so"
> loadmodule "xlog.so"
> loadmodule "path.so"
> loadmodule "nathelper.so"
> loadmodule "siputils.so"
>
> # ----- nathelper params -----
> modparam("nathelper|registrar", "received_avp", "$avp(RECEIVED)")
>
>
> ####### Routing Logic ########
>
> request_route {
>
>     route(CHECK_SOURCE_IP);
>
>     # CANCEL processing
>     if (is_method("CANCEL")) {
>         if (t_check_trans()) {
>             route(RELAY);
>         }
>         exit;
>     }
>
>     route(WITHINDLG);
>
>     t_check_trans();
>
>     if( is_method("OPTIONS") ) {
>         t_relay();
>     }
>
>     if( is_method("REGISTER|SUBSCRIBE") ) {
>         add_path();
>     }
>
>     if( is_method("INVITE|REFER") ) {
>         record_route();
>     }
>
>     if( isflagset(FLAG_FROM_SWITCH) ) {
>         t_on_reply("OUTBOUND_REPLY");
>     } else {
>         $du = "sip:192.168.3.3:5060";
>     }
>
>     route(RELAY);
> }
>
> # SIP dialogs
> route[WITHINDLG] {
>
>     if (has_totag()) {
>         # sequential request withing a dialog should
>         # take the path determined by record-routing
>         if (loose_route()) {
>             route(RELAY);
>         } else {
>             if (is_method("NOTIFY")) {
>                 route(RELAY);
>             }
>             if (is_method("SUBSCRIBE") && uri == myself) {
>                 # in-dialog subscribe requests
>                 exit;
>             }
>             if (is_method("ACK")) {
>                 if (t_check_trans()) {
>                     # no loose-route, but stateful ACK;
>                     # must be an ACK after a 487
>                     # or e.g. 404 from upstream server
>                     t_relay();
>                     exit;
>                 } else {
>                     # ACK without matching transaction ... ignore and 
> discard
>                     #xlog("ACK without matching transaction ... ignore 
> and discard");
>                     exit;
>                 }
>             }
>             sl_send_reply("404","Not here");
>         }
>         exit;
>     }
> }
>
> onreply_route[OUTBOUND_REPLY]
> {
>     route(NAT_TEST_AND_CORRECT);
> }
>
> route[NAT_TEST_AND_CORRECT]
> {
>     if (nat_uac_test("3")) {
>         if (is_method("REGISTER|SUBSCRIBE")) {
>             fix_nated_register();
>         } else {
>             fix_nated_contact();
>         }
>         force_rport();
>         }
>
>     if (has_body("application/sdp") && nat_uac_test("8")) {
>         fix_nated_sdp("10");
>     }
> }
>
> route[RELAY]
> {
>     if (!t_relay()) {
>         sl_reply_error();
>     }
>     exit;
> }
>
> route[LOGIT] {
>
>     xlog("L_INFO", "LOGIT: $var(spot) -  $rm");
>
> if( $ft == $null )
>     xlog("L_INFO", "LOGIT: $var(spot) - From:$fU @ $fd - $fu");
> else
>     xlog("L_INFO", "LOGIT: $var(spot) - From:$fU @ $fd - $fu:$ft");
>
> if( $tt == $null )
>     xlog("L_INFO", "LOGIT: $var(spot) -   To:$tU @ $td - $tu");
> else
>     xlog("L_INFO", "LOGIT: $var(spot) -   To:$tU @ $td - $tu:$tt");
>
>     xlog("L_INFO", "LOGIT: $var(spot) -  REQ:$rm @ $ru");
>     xlog("L_INFO", "LOGIT: $var(spot) - ACT:$(rd{s.select,0,.})");
>     xlog("L_INFO", "LOGIT: $var(spot) - HST:$(rd{s.select,1,.})");
>     xlog("L_INFO", "LOGIT: $var(spot) -  CNT:$ct");
>     xlog("L_INFO", "LOGIT: $var(spot) -  UAC:$ua");
>
> if( $du != $null )
>     xlog("L_INFO", "LOGIT: $var(spot) - DURI:$du");
> }
>
> route[CHECK_SOURCE_IP]
> {
>     $var(spot) = 'CHECK_SOURCE_IP';
>     route(LOGIT);
>
>     switch($si) {
>         case "192.168.3.2":
>             setflag(FLAG_FROM_SWITCH);
>             return;
>         default:
>             setflag(FLAG_FROM_DEVICE);
>             return;
>     }
> }
>
>
>
>
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