[OpenSIPS-Users] Trying to change the $ru to an address in location

[Vlad Paiu]

Hello,

The approach you're taking seems good, and it should definitely work.

Do you receive any errors in the OpenSIPS logs ? If you make a SIP trace 
( ngrep / tcpdump ) on the OpenSIPS machine, do you see the INVITE 
message getting out of OpenSIPS ?

If you don't see the package being sent out even on the OpenSIPS 
machine, then it means that somehow your script doesn't forward that 
request, but drops it ( because ngrep on the OpenSIPS machine excludes 
any firewall issues - ngrep gets in even before the local iptables 
output chain ).

Best Regards,

Vlad Paiu
OpenSIPS Developer
http://www.opensips-solutions.com

On 25.09.2013 15:36, Mike Tesliuk wrote:
> Somebody have at least an idea if this is suposed to work ?
>
> the package come to me, i check the did, change the $ru, and send to 
> the location, the location find the user and the package dont reach 
> the other side.
>
> Thanks
>
>
> 2013/9/22 Mike Tesliuk <mike at ultra.net.br <mailto:mike at ultra.net.br>>
>
>     Hello Guys,
>
>
>     Im trying to implement a system to manipulate DID's, the forward
>     for external address is ok, but in trying now to do the same with 
>     a user that is registered
>
>
>     i create a new table where i have the did, the account and the
>     destination, if the destination is null so the opensips will check
>     the account on the location table.
>
>     basically i have this
>
>     if(!$avp(91)){
>                                             xlog("Did nao encontrado");
>     sl_send_reply("404", "Not Found");
>                                             exit;
>                                     }else{
>                                             xlog("Did encontrado,
>     seguindo regras para utilizacao em location");
>                                             $ru = "sip:" + $avp(91) +
>     "@IP_ADDRESS:5060";
>                                             xlog("Novo destino $ru");
>                                     }
>
>
>     the avp(91) is the user account, the same that the user use to
>     register
>
>
>     when in this situation, the call go trouhg the location module,
>     and the system find the correct address.
>
>     i have on the log the same information that i have on opensipsctl
>     ul show
>
>     Fazendo relay <null> -
>     sip:055011395010100000 at IP_ADDR:5081;rinstance=0f9054bc313f0cf1;transport=UDP
>
>
>     below the output from ul show
>
>         AOR:: 055011395010100000
>             Contact::
>     sip:055011395010100000 at IP_ADDR:5081;rinstance=0f9054bc313f0cf1;transport=UDP
>     Q=
>                 Expires:: 525
>                 Callid:: MTZhNzE1ZDYzYWU4Y2ViZDMzZTQzZWU1N2M0ZGFiZjQ.
>                 Cseq:: 2
>                 User-agent:: Zoiper Communicator 2.04.10164 rev.10204
>                 State:: CS_SYNC
>                 Flags:: 0
>                 Cflag:: 0
>                 Socket:: udp:GW_IP_ADDR:5060
>                 Methods:: 5951
>
>
>
>     But when i make the call, the ngrep show me the send of the
>     invite, but i dont see nothing on the other side.
>
>
>     Below you have the invite
>
>     U GW_IP_ADDR:5060 -> CUSTOMER_IP_ADDR:5081
>     INVITE
>     sip:055011395010100000 at CUSTOMER_IP_ADDR:5081;rinstance=0f9054bc313f0cf1;transport=UDP
>     SIP/2.0.
>     Record-Route:
>     <sip:GW_IP_ADDR;lr;ftag=as657116d5;did=5b6.6e3954b;nat=yes>.
>     Via: SIP/2.0/UDP GW_IP_ADDR:5060;branch=z9hG4bK485d.8be72863.0.
>     Via: SIP/2.0/UDP
>     CALLER_IP_ADDR:5060;received=CALLER_IP_ADDR;branch=z9hG4bK1f912c35;rport=5060.
>     Max-Forwards: 69.
>     From: "testemike" <sip:testemike at CALLER_IP_ADDR>;tag=as657116d5.
>     To: <sip:551133992377 at GW_IP_ADDR>.
>     Contact: <sip:testemike at CALLER_IP_ADDR:5060>.
>     Call-ID: 40d32e5b3c52c58646d996d871ad8471 at CALLER_IP_ADDR:5060.
>     CSeq: 102 INVITE.
>     User-Agent: SIP.Ultranet.
>     Date: Mon, 23 Sep 2013 00:20:27 GMT.
>     Session-Expires: 600.
>     Min-SE: 90.
>     Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE,
>     NOTIFY, INFO, PUBLISH.
>     Supported: replaces, timer.
>     Content-Type: application/sdp.
>     Content-Length: 446.
>     .
>     v=0.
>     o=root 985357135 985357135 IN IP4 CALLER_IP_ADDR.
>     s=SDP.Ultranet.
>     c=IN IP4 GW_IP_ADDRGW_IP_ADDR.
>     t=0 0.
>     m=audio 4229242292 RTP/AVP 8 0 3 111 97 18 101.
>     a=rtpmap:8 PCMA/8000.
>     a=rtpmap:0 PCMU/8000.
>     a=rtpmap:3 GSM/8000.
>     a=rtpmap:111 G726-32/8000.
>     a=rtpmap:97 iLBC/8000.
>     a=fmtp:97 mode=30.
>     a=rtpmap:18 G729/8000.
>     a=fmtp:18 annexb=no.
>     a=rtpmap:101 telephone-event/8000.
>     a=fmtp:101 0-16.
>     a=ptime:20.
>     a=sendrecv.
>     a=nortpproxy:yes.
>     a=nortpproxy:yes.
>
>
>     after the invite, i get a request timeout message
>
>     i try to create some firewall rules on the customer side but i
>     dont see any package, from the opensips is like the package is
>     beeing sended
>
>     i made a try using another machine that dont have nat and i cant
>     see the package in this case too.
>
>
>
>     anyone have an idea about this ?
>
>     Thanks.
>
>
>
>
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