[Users] Ack is Losting .........

[Bogdan-Andrei Iancu]

Hi,

watch the network traffic on the proxy and see if indeed the ACK is lost.

regards,
bogdan

raviprakash sunkara wrote:

>
> Hi Users...
>
> The UAC's  behind the  NAT is hung up the softphones.. Automatically...
>
> I think Ack is Losting .. So the Session is Looses..
>
>
> here ...... in this    :---->   nat_uac_test(paramter) 
>  
>                                                what parameters should 
> placed here....  3 or 10  or 1
>
>                                               Same fo fix_naed_sdp()..
>
>
> --------------------------- opense,cfg....
>
> route {
>
>
> route(2);
> if(!method=='ReGISTER') {
> record_route();
> };
> if(uri==myself)
> {
> .....
> ......
> ....
>
> }
> route(1);
> }
>
> route[1] {
>         log("Testing------->  route[1] \n");
>         if (subst_uri('/(sip:.*);nat=yes/\1/')){
>                 setflag(6);
>         };
>
>         if (isflagset(5)||isflagset(6)) {
>                 route(3);
>         }
>
>         if (!t_relay()) {
>                 sl_reply_error();
>         };
>         exit;
> }
>
> route[2]{
>         log("Testing------->  route[2] \n");
> #       force_rport();
>         if (nat_uac_test("19")) {
>                 log("Testing------->  nat_uac-test_19\n");
>                 if (method=="REGISTER") {
>                         log("Testing-------> nat _ reg \n");
>                         fix_nated_contact();
>                 } else if (method=="INVITE")  {
>                         log("Testing-------> nat_cantact \n");
>                         fix_nated_sdp("1");
> #                       fix_nated_contact();
>                 };
>                 force_rport();
>                 setflag(5);
>         };
> }
>
> route[3] {
>         log("Testing------->  route 3 \n");
>         if (is_method("BYE|CANCEL")) {
>                 log("Testing------->  Bye\n");
>                 acc_db_request("Stop","acc");
>                 unforce_rtp_proxy();
>   } else if (is_method("INVITE")){
>         log("Testing-------> Invite in route [3\n");
> #       fix_nated_sdp("3");
>         acc_db_request("Start","acc");
>                 force_rtp_proxy();
>                 t_on_failure("1");
>         } else if(is_method("ACK"))  {
>         log("Testing-------------------> ACK\n");
>         force_rtp_proxy();
>         };
>         if (isflagset(5))
> {
> #               fix_nated_sdp("3");
>                 search_append('Contact:.*sip:[^>[:cntrl:]]*', ';nat=yes');
> };
>         t_on_reply("1");
> }
>
> failure_route[1] {
>         if (isflagset(6) || isflagset(5)) {
>                 acc_db_request("Stop","acc");
>                 unforce_rtp_proxy();
>         }
> }
>
> onreply_route[1] {
>         log("Testing------->  t_on_reply\n");
>         if ((isflagset(5) || isflagset(6)) && 
> status=~"(183)|(2[0-9][0-9])" && (!search("^Content-Length:\ 0"))) {
>         log("Testing ---> 183 200 \n");
>         force_rtp_proxy();
>         }
>         search_append('Contact:.*sip:[^>[:cntrl:]]*', ';nat=yes');
>
> #       if (isflagset(6)) {
> ##      fix_nated_sdp("1");
> #               fix_nated_contact();
> #       }
>         exit;
> }
>
>
> -- 
> Thanks and Regards with cheers
> Sunkara Ravi Prakash (Voip Developer)
> Hyperion Technology
> www.hyperion-tech.com <http://www.hyperion-tech.com>
>
>------------------------------------------------------------------------
>
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