[Kamailio-Users] add_path_received and OBP problems
Florian Meister
Florian.Meister at teleport.vol.at
Fri Sep 25 20:02:14 CEST 2009
Hi,
as thought invite messages are routed now correctly to the public IP of the UAC.
Now I have another problem. ACK and BYE messages have the same problem. The loadbalancer(s) are trying to send the messages to the private IP, which of course does not work.
I thought at least the BYE message is an in-dialog-request, and therefore it should work ? Do you have an idea how to route this kind of messages correctly through the LB to the UAC's ?
best regards,
Florian
> > The request sent out by the LB still has the Route header. This
> > indicates that either:
> > - the load balancer does not detect the domain/IP in the Route
> header
> > as an internal one (alias=....)
> > - the loose_route function is not called in the LB.
> >
>
> Many thanks ! I did not call loose_route in the LB, I think that will
> solve it.
>
> Best regards,
>
> Florian
>
>
> >
> > Florian Meister schrieb:
> > > Hi,
> > >
> > > I'm trying to set up a HA-OBP for both natted and non-natted users.
> > >
> > > Atm my setup looks like that:
> > >
> > >
> > > [UAC] <---> (NAT) <---> [LB] <---> [REG + Proxy] <---> [PSTN GW]
> > >
> > > At the loadbalancer I use add_path and add_path_received to add a
> > path-header to the request sent to the Registrar. (Of course only for
> > register requests). I use a few parameters for telling the registrar
> > module to use the path header. When looking in the mysql-db I can see
> > the correct value in the path-field in the location-table.
> > >
> > > When getting an invite from the PSTN gateway for one of the UAC's
> the
> > Proxy is adding a route-header according to the path-value in the
> > mysql. That seems also correct. Now to my problem:
> > >
> > > The loadbalancer is sending out the INVITE to the private-ip, not
> to
> > the public-nat-ip of the UAC. It seems that the received-parameter in
> > the Route-header is somehow ignored. I am using the use_received
> > parameter in the loadbalancer, but it does not work.
> > >
> > > In the following you can find the SIP trace (made on the
> > loadbalancer) and the loadbalancer config, since I think there is the
> > problem.
> > >
> > > Thanks,
> > >
> > > Florian
> > >
> > >
> > > Here is the SIP-trace of the INVITE:
> > >
> > > 09:49:07.785294 IP [Proxy+Registrar].5060 > [Loadbalancer].5060:
> SIP,
> > length: 1101
> > > E..i.. at .?.Yb..,F..,+.....U.BINVITE sip:435572949012@[PRIVATE IP of
> > UAC];user=phone SIP/2.0
> > > Record-Route: <sip:[Proxy+Registrar];lr;ftag=as33339e2e>
> > > Via: SIP/2.0/UDP [Proxy+Registrar];branch=z9hG4bK3d51.bf3830b5.0
> > > Via: SIP/2.0/UDP [PSTN
> > Gateway]:5060;branch=z9hG4bK521a62f5;rport=5060
> > > Route: <sip:[Loadbalancer];lr;received="sip:[PUBLIC NAT IP of
> > UAC]:64224">
> > > Max-Forwards: 69
> > > From: "4366480588134" <sip:4366480588134@[PSTN
> > Gateway]>;tag=as33339e2e
> > > To: <sip:+435572949012@[Proxy+Registrar]>
> > > Contact: <sip:4366480588134@[PSTN Gateway]>
> > > Call-ID: 067ebe30188025880d0c9f6e78c1b86d@[PSTN Gateway]
> > > CSeq: 102 INVITE
> > > User-Agent: Asterisk PBX 1.6.1.5
> > > Date: Fri, 25 Sep 2009 07:40:26 GMT
> > > Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY,
> > INFO
> > > Supported: replaces, timer
> > > Content-Type: application/sdp
> > > Content-Length: 312
> > >
> > > v=0
> > > o=root 1940822246 1940822246 IN IP4 [PSTN Gateway]
> > > s=Asterisk PBX 1.6.1.5
> > > c=IN IP4 [PSTN Gateway]
> > > t=0 0
> > > m=audio 19178 RTP/AVP 8 3 0 101
> > > a=rtpmap:8 PCMA/8000
> > > a=rtpmap:3 GSM/8000
> > > a=rtpmap:0 PCMU/8000
> > > a=rtpmap:101 telephone-event/8000
> > > a=fmtp:101 0-16
> > > a=silenceSupp:off - - - -
> > > a=ptime:20
> > > a=sendrecv
> > >
> > > 09:49:07.786459 IP [Loadbalancer].5060 > [Proxy+Registrar].5060:
> SIP,
> > length: 445
> > > E..... at .@.Z...,+..,F........SIP/2.0 100 Giving a try
> > > Via: SIP/2.0/UDP
> >
> [Proxy+Registrar];branch=z9hG4bK3d51.bf3830b5.0;rport=5060;received=[Pr
> > oxy+Registrar]
> > > Via: SIP/2.0/UDP [PSTN
> > Gateway]:5060;branch=z9hG4bK521a62f5;rport=5060
> > > From: "4366480588134" <sip:4366480588134@[PSTN
> > Gateway]>;tag=as33339e2e
> > > To: <sip:+435572949012@[Proxy+Registrar]>
> > > Call-ID: 067ebe30188025880d0c9f6e78c1b86d@[PSTN Gateway]
> > > CSeq: 102 INVITE
> > > Server: Kamailio (1.5.1-notls (i386/linux))
> > > Content-Length: 0
> > >
> > >
> > > 09:49:07.786608 IP [Loadbalancer].5060 > [PRIVATE IP of UAC].5060:
> > SIP, length: 1307
> > > E..7.. at .@.. at ..,+.........#>.INVITE sip:435572949012@[PRIVATE IP of
> > UAC];user=phone SIP/2.0
> > > Record-Route: <sip:[Loadbalancer];lr;ftag=as33339e2e;nat=yes>
> > > Record-Route: <sip:[Proxy+Registrar];lr;ftag=as33339e2e>
> > > Via: SIP/2.0/UDP [Loadbalancer];branch=z9hG4bK3d51.207ba0a5.0
> > > Via: SIP/2.0/UDP
> >
> [Proxy+Registrar];rport=5060;received=[Proxy+Registrar];branch=z9hG4bK3
> > d51.bf3830b5.0
> > > Via: SIP/2.0/UDP [PSTN
> > Gateway]:5060;branch=z9hG4bK521a62f5;rport=5060
> > > Route: <sip:[Loadbalancer];lr;received="sip:[PUBLIC NAT IP of
> > UAC]:64224">
> > > Max-Forwards: 68
> > > From: "4366480588134" <sip:4366480588134@[PSTN
> > Gateway]>;tag=as33339e2e
> > > To: <sip:+435572949012@[Proxy+Registrar]>
> > > Contact: <sip:4366480588134@[PSTN Gateway]>
> > > Call-ID: 067ebe30188025880d0c9f6e78c1b86d@[PSTN Gateway]
> > > CSeq: 102 INVITE
> > > User-Agent: Asterisk PBX 1.6.1.5
> > > Date: Fri, 25 Sep 2009 07:40:26 GMT
> > > Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY,
> > INFO
> > > Supported: replaces, timer
> > > Content-Type: application/sdp
> > > Content-Length: 330
> > > Path: <sip:[Loadbalancer];lr>
> > >
> > > v=0
> > > o=root 1940822246 1940822246 IN IP4 [PSTN Gateway]
> > > s=Asterisk PBX 1.6.1.5
> > > c=IN IP4 [Loadbalancer]
> > > t=0 0
> > > m=audio 35480 RTP/AVP 8 3 0 101
> > > a=rtpmap:8 PCMA/8000
> > > a=rtpmap:3 GSM/8000
> > > a=rtpmap:0 PCMU/8000
> > > a=rtpmap:101 telephone-event/8000
> > > a=fmtp:101 0-16
> > > a=silenceSupp:off - - - -
> > > a=ptime:20
> > > a=sendrecv
> > > a=nortpproxy:yes
> > >
> > > 09:49:08.258116 IP [Loadbalancer].5060 > [PRIVATE IP of UAC].5060:
> > SIP, length: 1307
> > > E..7.. at .@.. at ..,+.........#>.INVITE sip:435572949012@[PRIVATE IP of
> > UAC];user=phone SIP/2.0
> > > Record-Route: <sip:[Loadbalancer];lr;ftag=as33339e2e;nat=yes>
> > > Record-Route: <sip:[Proxy+Registrar];lr;ftag=as33339e2e>
> > > Via: SIP/2.0/UDP [Loadbalancer];branch=z9hG4bK3d51.207ba0a5.0
> > > Via: SIP/2.0/UDP
> >
> [Proxy+Registrar];rport=5060;received=[Proxy+Registrar];branch=z9hG4bK3
> > d51.bf3830b5.0
> > > Via: SIP/2.0/UDP [PSTN
> > Gateway]:5060;branch=z9hG4bK521a62f5;rport=5060
> > > Route: <sip:[Loadbalancer];lr;received="sip:[PUBLIC NAT IP of
> > UAC]:64224">
> > > Max-Forwards: 68
> > > From: "4366480588134" <sip:4366480588134@[PSTN
> > Gateway]>;tag=as33339e2e
> > > To: <sip:+435572949012@[Proxy+Registrar]>
> > > Contact: <sip:4366480588134@[PSTN Gateway]>
> > > Call-ID: 067ebe30188025880d0c9f6e78c1b86d@[PSTN Gateway]
> > > CSeq: 102 INVITE
> > > User-Agent: Asterisk PBX 1.6.1.5
> > > Date: Fri, 25 Sep 2009 07:40:26 GMT
> > > Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY,
> > INFO
> > > Supported: replaces, timer
> > > Content-Type: application/sdp
> > > Content-Length: 330
> > > Path: <sip:[Loadbalancer];lr>
> > >
> > > v=0
> > > o=root 1940822246 1940822246 IN IP4 [PSTN Gateway]
> > > s=Asterisk PBX 1.6.1.5
> > > c=IN IP4 [Loadbalancer]
> > > t=0 0
> > > m=audio 35480 RTP/AVP 8 3 0 101
> > > a=rtpmap:8 PCMA/8000
> > > a=rtpmap:3 GSM/8000
> > > a=rtpmap:0 PCMU/8000
> > > a=rtpmap:101 telephone-event/8000
> > > a=fmtp:101 0-16
> > > a=silenceSupp:off - - - -
> > > a=ptime:20
> > > a=sendrecv
> > > a=nortpproxy:yes
> > >
> > > 09:49:09.258109 IP [Loadbalancer].5060 > [PRIVATE IP of UAC].5060:
> > SIP, length: 1307
> > > E..7.. at .@.. at ..,+.........#>.INVITE sip:435572949012@[PRIVATE IP of
> > UAC];user=phone SIP/2.0
> > > Record-Route: <sip:[Loadbalancer];lr;ftag=as33339e2e;nat=yes>
> > > Record-Route: <sip:[Proxy+Registrar];lr;ftag=as33339e2e>
> > > Via: SIP/2.0/UDP [Loadbalancer];branch=z9hG4bK3d51.207ba0a5.0
> > > Via: SIP/2.0/UDP
> >
> [Proxy+Registrar];rport=5060;received=[Proxy+Registrar];branch=z9hG4bK3
> > d51.bf3830b5.0
> > > Via: SIP/2.0/UDP [PSTN
> > Gateway]:5060;branch=z9hG4bK521a62f5;rport=5060
> > > Route: <sip:[Loadbalancer];lr;received="sip:[PUBLIC NAT IP of
> > UAC]:64224">
> > > Max-Forwards: 68
> > > From: "4366480588134" <sip:4366480588134@[PSTN
> > Gateway]>;tag=as33339e2e
> > > To: <sip:+435572949012@[Proxy+Registrar]>
> > > Contact: <sip:4366480588134@[PSTN Gateway]>
> > > Call-ID: 067ebe30188025880d0c9f6e78c1b86d@[PSTN Gateway]
> > > CSeq: 102 INVITE
> > > User-Agent: Asterisk PBX 1.6.1.5
> > > Date: Fri, 25 Sep 2009 07:40:26 GMT
> > > Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY,
> > INFO
> > > Supported: replaces, timer
> > > Content-Type: application/sdp
> > > Content-Length: 330
> > > Path: <sip:[Loadbalancer];lr>
> > >
> > > v=0
> > > o=root 1940822246 1940822246 IN IP4 [PSTN Gateway]
> > > s=Asterisk PBX 1.6.1.5
> > > c=IN IP4 [Loadbalancer]
> > > t=0 0
> > > m=audio 35480 RTP/AVP 8 3 0 101
> > > a=rtpmap:8 PCMA/8000
> > > a=rtpmap:3 GSM/8000
> > > a=rtpmap:0 PCMU/8000
> > > a=rtpmap:101 telephone-event/8000
> > > a=fmtp:101 0-16
> > > a=silenceSupp:off - - - -
> > > a=ptime:20
> > > a=sendrecv
> > > a=nortpproxy:yes
> > >
> > > 09:49:11.258107 IP [Loadbalancer].5060 > [PRIVATE IP of UAC].5060:
> > SIP, length: 1307
> > > E..7.. at .@.. at ..,+.........#>.INVITE sip:435572949012@[PRIVATE IP of
> > UAC];user=phone SIP/2.0
> > > Record-Route: <sip:[Loadbalancer];lr;ftag=as33339e2e;nat=yes>
> > > Record-Route: <sip:[Proxy+Registrar];lr;ftag=as33339e2e>
> > > Via: SIP/2.0/UDP [Loadbalancer];branch=z9hG4bK3d51.207ba0a5.0
> > > Via: SIP/2.0/UDP
> >
> [Proxy+Registrar];rport=5060;received=[Proxy+Registrar];branch=z9hG4bK3
> > d51.bf3830b5.0
> > > Via: SIP/2.0/UDP [PSTN
> > Gateway]:5060;branch=z9hG4bK521a62f5;rport=5060
> > > Route: <sip:[Loadbalancer];lr;received="sip:[PUBLIC NAT IP of
> > UAC]:64224">
> > > Max-Forwards: 68
> > > From: "4366480588134" <sip:4366480588134@[PSTN
> > Gateway]>;tag=as33339e2e
> > > To: <sip:+435572949012@[Proxy+Registrar]>
> > > Contact: <sip:4366480588134@[PSTN Gateway]>
> > > Call-ID: 067ebe30188025880d0c9f6e78c1b86d@[PSTN Gateway]
> > > CSeq: 102 INVITE
> > > User-Agent: Asterisk PBX 1.6.1.5
> > > Date: Fri, 25 Sep 2009 07:40:26 GMT
> > > Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY,
> > INFO
> > > Supported: replaces, timer
> > > Content-Type: application/sdp
> > > Content-Length: 330
> > > Path: <sip:[Loadbalancer];lr>
> > >
> > > v=0
> > > o=root 1940822246 1940822246 IN IP4 [PSTN Gateway]
> > > s=Asterisk PBX 1.6.1.5
> > > c=IN IP4 [Loadbalancer]
> > > t=0 0
> > > m=audio 35480 RTP/AVP 8 3 0 101
> > > a=rtpmap:8 PCMA/8000
> > > a=rtpmap:3 GSM/8000
> > > a=rtpmap:0 PCMU/8000
> > > a=rtpmap:101 telephone-event/8000
> > > a=fmtp:101 0-16
> > > a=silenceSupp:off - - - -
> > > a=ptime:20
> > > a=sendrecv
> > > a=nortpproxy:yes
> > >
> > > 09:49:15.023388 IP [Proxy+Registrar].5060 > [Loadbalancer].5060:
> SIP,
> > length: 397
> > > E..... at .?.\"..,F..,+......a.CANCEL sip:435572949012@[PRIVATE IP of
> > UAC];user=phone SIP/2.0
> > > Via: SIP/2.0/UDP [Proxy+Registrar];branch=z9hG4bK3d51.bf3830b5.0
> > > From: "4366480588134" <sip:4366480588134@[PSTN
> > Gateway]>;tag=as33339e2e
> > > Call-ID: 067ebe30188025880d0c9f6e78c1b86d@[PSTN Gateway]
> > > To: <sip:+435572949012@[Proxy+Registrar]>
> > > CSeq: 102 CANCEL
> > > Max-Forwards: 70
> > > User-Agent: OpenSER (1.3.2-notls (x86_64/linux))
> > > Content-Length: 0
> > >
> > >
> > > 09:49:15.024138 IP [Loadbalancer].5060 > [Proxy+Registrar].5060:
> SIP,
> > length: 413
> > > E..... at .@.[...,+..,F........SIP/2.0 200 canceling
> > > Via: SIP/2.0/UDP
> >
> [Proxy+Registrar];branch=z9hG4bK3d51.bf3830b5.0;rport=5060;received=[Pr
> > oxy+Registrar]
> > > From: "4366480588134" <sip:4366480588134@[PSTN
> > Gateway]>;tag=as33339e2e
> > > Call-ID: 067ebe30188025880d0c9f6e78c1b86d@[PSTN Gateway]
> > > To:
> >
> <sip:+435572949012@[Proxy+Registrar]>;tag=77b8b5897dbef36847302656cec98
> > 25e-db87
> > > CSeq: 102 CANCEL
> > > Server: Kamailio (1.5.1-notls (i386/linux))
> > > Content-Length: 0
> > >
> > >
> > > 09:49:15.024576 IP [Loadbalancer].5060 > [Proxy+Registrar].5060:
> SIP,
> > length: 493
> > > E.. .. at .@.Z...,+..,F........SIP/2.0 487 Request Terminated
> > > Via: SIP/2.0/UDP
> >
> [Proxy+Registrar];branch=z9hG4bK3d51.bf3830b5.0;rport=5060;received=[Pr
> > oxy+Registrar]
> > > Via: SIP/2.0/UDP [PSTN
> > Gateway]:5060;branch=z9hG4bK521a62f5;rport=5060
> > > From: "4366480588134" <sip:4366480588134@[PSTN
> > Gateway]>;tag=as33339e2e
> > > To:
> >
> <sip:+435572949012@[Proxy+Registrar]>;tag=77b8b5897dbef36847302656cec98
> > 25e-db87
> > > Call-ID: 067ebe30188025880d0c9f6e78c1b86d@[PSTN Gateway]
> > > CSeq: 102 INVITE
> > > Server: Kamailio (1.5.1-notls (i386/linux))
> > > Content-Length: 0
> > >
> > >
> > > 09:49:15.025180 IP [Proxy+Registrar].5060 > [Loadbalancer].5060:
> SIP,
> > length: 433
> > > E..... at .?.[...,F..,+.......MACK sip:435572949012@[PRIVATE IP of
> > UAC];user=phone SIP/2.0
> > > Via: SIP/2.0/UDP [Proxy+Registrar];branch=z9hG4bK3d51.bf3830b5.0
> > > From: "4366480588134" <sip:4366480588134@[PSTN
> > Gateway]>;tag=as33339e2e
> > > Call-ID: 067ebe30188025880d0c9f6e78c1b86d@[PSTN Gateway]
> > > To:
> >
> <sip:+435572949012@[Proxy+Registrar]>;tag=77b8b5897dbef36847302656cec98
> > 25e-db87
> > > CSeq: 102 ACK
> > > Max-Forwards: 70
> > > User-Agent: OpenSER (1.3.2-notls (x86_64/linux))
> > > Content-Length: 0
> > >
> > >
> > > ----------------This is the config of my loadbalancer--------------
> --
> > ----:
> > >
> > > ####### Global Parameters #########
> > >
> > > debug=100
> > > log_stderror=yes
> > > log_facility=LOG_LOCAL0
> > >
> > > fork=no
> > > children=4
> > >
> > > disable_tcp=yes
> > >
> > > port=5060
> > >
> > > listen=[Loadbalancer]
> > >
> > > ####### Modules Section ########
> > >
> > > mpath="/usr/lib/kamailio/modules/"
> > >
> > > loadmodule "mi_fifo.so"
> > > loadmodule "sl.so"
> > > loadmodule "tm.so"
> > > loadmodule "rr.so"
> > > loadmodule "pv.so"
> > > loadmodule "maxfwd.so"
> > > loadmodule "textops.so"
> > > loadmodule "siputils.so"
> > > loadmodule "xlog.so"
> > > loadmodule "nathelper.so"
> > > loadmodule "dispatcher.so"
> > > loadmodule "path.so"
> > >
> > > # ----------------- setting module-specific parameters ------------
> --
> > -
> > >
> > >
> > > # ----- mi_fifo params -----
> > > modparam("mi_fifo", "fifo_name", "/tmp/kamailio_fifo")
> > >
> > >
> > > # ----- rr params -----
> > > # add value to ;lr param to cope with most of the UAs
> > > #modparam("rr", "enable_full_lr", 1)
> > > # do not append from tag to the RR (no need for this script)
> > > #modparam("rr", "append_fromtag", 0)
> > >
> > >
> > > # -- nathelper
> > > modparam("nathelper", "rtpproxy_sock",
> > "/var/run/rtpproxy/rtpproxy.sock")
> > > modparam("nathelper", "received_avp", "$avp(i:80)")
> > >
> > > # -- dispatcher params --
> > > modparam("dispatcher", "list_file",
> "/etc/kamailio/dispatcher.list")
> > >
> > > # -- path params --
> > > modparam("path", "use_received", 1)
> > >
> > > ####### Routing Logic ########
> > >
> > >
> > > # main request routing logic
> > >
> > > route{
> > > xlog("L_ALERT", "[$rm] from [$fu] to [$tu]\n");
> > > if (!mf_process_maxfwd_header("10")) {
> > > sl_send_reply("483","Too Many Hops");
> > > exit;
> > > }
> > >
> > > # NAT detection
> > > route(4);
> > >
> > > if (has_totag()) {
> > > xlog("L_ALERT", "_____HASTOTAG [$rm] from [$fu] to
> > [$tu]\n");
> > > # sequential request withing a dialog should
> > > # take the path determined by record-routing
> > > if (loose_route()) {
> > > xlog("L_ALERT", "_____LOOSE_ROUTE [$rm]
> from
> > [$fu] to [$tu]\n");
> > > t_relay();
> > > exit;
> > > } else {
> > > if ( is_method("ACK") ) {
> > > if ( t_check_trans() ) {
> > > xlog("L_ALERT", "_____NON-
> > LOOSE, STATEFUL-ACK [$rm] from [$fu] to [$tu]\n");
> > > # non loose-route, but
> > stateful ACK; must be an ACK after a 487 or e.g. 404 from upstream
> > server
> > > t_relay();
> > > exit;
> > > } else {
> > > xlog("L_ALERT",
> > "_____ACK_WITHOUT_TRANSACTION [$rm] from [$fu] to [$tu]\n");
> > > # ACK without matching
> > transaction ... ignore and discard.\n");
> > > exit;
> > > }
> > > }
> > > sl_send_reply("404","Not here");
> > > }
> > > exit;
> > > }
> > >
> > > #initial requests
> > >
> > > # CANCEL processing
> > > if (is_method("CANCEL"))
> > > {
> > > if (t_check_trans())
> > > t_relay();
> > > exit;
> > > }
> > >
> > > t_check_trans();
> > >
> > > # record routing
> > > if (!is_method("REGISTER|MESSAGE"))
> > > xlog("L_ALERT", "_____RECORD_ROUTING [$rm] from
> [$fu]
> > to [$tu]\n");
> > > record_route();
> > >
> > > #if ($rU==NULL) {
> > > # # request with no Username in RURI
> > > # sl_send_reply("484","Address Incomplete");
> > > # exit;
> > > #}
> > >
> > > if (check_route_param("nat=yes")) {
> > > setbflag(6);
> > > }
> > > #if (isflagset(5) || isbflagset(6)) {
> > > route(5);
> > > #}
> > >
> > > /* example how to enable some additional event routes */
> > > if (is_method("INVITE")) {
> > > t_on_reply("1");
> > > t_on_failure("1");
> > > }
> > >
> > > if(!ds_is_from_list()) {
> > > ds_select_domain("0", "0");
> > > }
> > > if (!t_relay()) {
> > > sl_reply_error();
> > > }
> > > }
> > >
> > >
> > > # Caller NAT detection route
> > > route[4]{
> > > force_rport();
> > > if (nat_uac_test("19")) {
> > > if (method=="REGISTER") {
> > > add_path_received();
> > > fix_nated_register();
> > > } else {
> > > fix_nated_contact();
> > > }
> > > setflag(5);
> > > }
> > > else {
> > > add_path();
> > > }
> > > return;
> > > }
> > >
> > > # RTPProxy control
> > > route[5] {
> > > if (is_method("BYE")) {
> > > unforce_rtp_proxy();
> > > } else if (is_method("INVITE")){
> > > force_rtp_proxy();
> > > }
> > > if (!has_totag()) add_rr_param(";nat=yes");
> > > return;
> > > }
> > >
> > > onreply_route[1] {
> > > xdbg("incoming reply\n");
> > >
> > > #if ((isflagset(5) || isbflagset(6)) &&
> status=~"(183)|(2[0-
> > 9][0-9])") {
> > > if (status=~"(183)|(2[0-9][0-9])") {
> > > force_rtp_proxy();
> > > }
> > > if (isbflagset(6)) {
> > > fix_nated_contact();
> > > }
> > > }
> > >
> > > failure_route[1] {
> > > #if (is_method("INVITE") && (isbflagset(6) ||
> isflagset(5)))
> > {
> > > if (is_method("INVITE")) {
> > > unforce_rtp_proxy();
> > > }
> > >
> > > if (t_was_cancelled()) {
> > > exit;
> > > }
> > > }
> > >
> > >
> > >
> > >
> > > _______________________________________________
> > > Kamailio (OpenSER) - Users mailing list
> > > Users at lists.kamailio.org
> > > http://lists.kamailio.org/cgi-bin/mailman/listinfo/users
> > > http://lists.openser-project.org/cgi-bin/mailman/listinfo/users
>
> _______________________________________________
> Kamailio (OpenSER) - Users mailing list
> Users at lists.kamailio.org
> http://lists.kamailio.org/cgi-bin/mailman/listinfo/users
> http://lists.openser-project.org/cgi-bin/mailman/listinfo/users
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