[OpenSIPS-Users] ACK/BYE delivery

[M. KHaled W. Chehab]

Hi,
That cant  be done on voipswitch as i cant ask every client to do that on its switch. Checking if i can have a complete solution.

Regards

Sent fromandroid device.



-----Original Message-----
From: Muhammad Shahzad <shaheryarkh at gmail.com>
To: OpenSIPS users mailling list <users at lists.opensips.org>
Sent: Sat, 23 Feb 2013 6:34 PM
Subject: Re: [OpenSIPS-Users] ACK/BYE delivery

Remove all workarounds and set OpenSIPS as your outbound proxy in your
VOIPSwitch. This should do the trick.

Thank you.


On Fri, Feb 22, 2013 at 11:20 PM, M.Khaled W Chehab <kchehab at icucall.com>wrote:

> Hi,****
>
> ** **
>
> I am using Resedential.conf file with permission module****
>
> I have a problem that when a call behind nat send  a call to voipswitch and voipswitch forward the call to opensips -àtrunk,****
>
> The 100 trying ,180 ringing and the 200 Ok work fine unless the ACK reply for the 200 ok will be directly forwarded from voipswitch to trunk ,without passing by opensips .****
>
> As I can see in the capture that when opensips send the 200 OK to Voipswitch the ****
>
> <sip:3450966508993881 at opensips IP address>;tag=9302846936345048301****
>
> Contact: <sip:966508993881 at Trunk IP address instead of opensips IP ADDRESS :5060;user=phone;transport=udp;nat=yes>****
>
> ** **
>
> We try to do some work around as but it didn’t succeed as  the call ends with forbidden ****
>
> ** **
>
>                     if(!(is_method("INVITE|ACK|CANCEL|BYE|UPDATE|OPTIONS|INFO"))) {****
>
>                                          xlog("L_INFO", ">>>>> Rejecting method '$rm' from '$fu' to '$ru' - User-Agent: $ua <<<<<\n");****
>
>                                          sl_send_reply("405","Method Not Allowed");****
>
>                                          exit;****
>
>                     } else {****
>
>                                          if (is_method("REGISTER")) {****
>
>                                                              fix_nated_register();****
>
>                                          } else {****
>
>                                                              fix_nated_contact();****
>
>                                          }****
>
>                                          setflag(5);****
>
>                                          setbflag(6);****
>
>                     }****
>
> ** **
>
> route[1] {****
>
> ** **
>
> ** **
>
>         if (subst_uri('/(sip:.*);nat=yes/\1/')) {****
>
>                 setbflag(6);****
>
>         }****
>
> ** **
>
>         if (isflagset(5)) {****
>
>                 search_append('Contact:.*sip:[^>[:cntrl:]]*', ';nat=yes');****
>
>         }****
>
> ** **
>
> ** **
>
> onreply_route[2] {****
>
>         search_append('Contact:.*sip:[^>[:cntrl:]]*', ';nat=yes');****
>
> ** **
>
>         if (isbflagset(6)) {****
>
>                 fix_nated_contact();****
>
>         };****
>
> ** **
>
> ** **
>
>                     if (t_check_status("200") ) {****
>
>                                          if (is_method("INVITE")) {****
>
>                                                              if (subst('/^Contact: <sip:([0-9]+)@(.*)$/Contact: <sip:\1@$Ri:$Rp>\r/ig')) {****
>
>                                                                                  xlog("L_INFO","-- Contact modified!");****
>
>                                                              };****
>
>                                          }****
>
> ** **
>
> Please advice****
>
> ** **
>
> Regards****
>
>                     ****
>
>
> _______________________________________________
> Users mailing list
> Users at lists.opensips.org
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>
>


-- 
Muhammad Shahzad
-----------------------------------
CISCO Rich Media Communication Specialist (CRMCS)
CISCO Certified Network Associate (CCNA)
Cell: +49 176 99 83 10 85
MSN: shari_786pk at hotmail.com
Email: shaheryarkh at googlemail.com
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