[OpenSIPS-Users] [OpenSER-Users] About openser redirect - forward

Bogdan-Andrei Iancu bogdan at voice-system.ro
Fri Aug 29 14:36:30 CEST 2008


note that most of the devices are not able to handle a redirect for a 
REGISTER - typically they do it for INVITE.

Anyhow, do you see the outgoing 302 replay with the redirect contact?

Regards,
Bogdan

David Villasmil wrote:
> Yes a REGISTER
>
> On Fri, Aug 29, 2008 at 12:23 PM, Bogdan-Andrei Iancu 
> <bogdan at voice-system.ro <mailto:bogdan at voice-system.ro>> wrote:
>
>     David,
>
>     are you trying to redirect a REGISTER??
>
>     Regards,
>     Bogdan
>
>     David Villasmil wrote:
>
>         I've tried using the redirect with twinkle, but it doesn't
>         work... my script is:
>
>         if($au=~"^username.*"){
>            xlog("L_ERR","PROXY: REDIRECT $au TO sip.domain.com
>         <http://sip.domain.com> <http://sip.domain.com>\n");
>            $ru = "sip:sip.domain.com <http://sip.domain.com>
>         <http://sip.domain.com>";
>
>            sl_send_reply("302", "Redirect to SIP provider");
>            exit;
>         }
>
>
>         log output
>
>         Aug 26 07:09:28 sip99 /sbin/openser[12944]: PROXY: REDIRECT
>         username TO sip.yip.com.br <http://sip.yip.com.br>
>         <http://sip.yip.com.br>
>
>
>         tshark trace
>
>          192.168.1.253 <http://192.168.1.253> <http://192.168.1.253>
>         -> sip2.domain.com <http://sip2.domain.com>
>         <http://sip2.domain.com> SIP Request: REGISTER
>         sip:sip.domain.com <http://sip.domain.com> <http://sip.domain.com>
>          sip2.domain.com <http://sip2.domain.com>
>         <http://sip2.domain.com> -> 192.168.1.253
>         <http://192.168.1.253> <http://192.168.1.253> SIP Status: 100
>         Trying    (0 bindings)
>          sip2.domain.com <http://sip2.domain.com>
>         <http://sip2.domain.com> -> 192.168.1.253
>         <http://192.168.1.253> <http://192.168.1.253> SIP Status: 302
>         Redirect to SIP provider    (1 bindings)
>           sip2.domain.com <http://sip2.domain.com>
>         <http://sip2.domain.com> -> sip.domain.com
>         <http://sip.domain.com> <http://sip.domain.com> SIP Request:
>         REGISTER sip:sip.domain.com <http://sip.domain.com>
>         <http://sip.domain.com>
>
>
>         Why do I get the register coming from openser (sip2.domain.com
>         <http://sip2.domain.com> <http://sip2.domain.com>)?
>
>
>
>
>
>         On Tue, Aug 26, 2008 at 10:47 AM, Bogdan-Andrei Iancu
>         <bogdan at voice-system.ro <mailto:bogdan at voice-system.ro>
>         <mailto:bogdan at voice-system.ro
>         <mailto:bogdan at voice-system.ro>>> wrote:
>
>            Victor Pascual Ávila wrote:
>            > On Tue, Aug 26, 2008 at 10:00 AM, Johansson Olle E
>            <oej at edvina.net <mailto:oej at edvina.net>
>         <mailto:oej at edvina.net <mailto:oej at edvina.net>>> wrote:
>            >
>            >> And a potential security issue. The RFC says that the
>         user has to
>            >> approve,
>            >> but I haven't found any such application yet.
>            >>
>            >
>            > As Iñaki mentioned, twinkle does so.
>            >
>            Even the old Kphone, when receiving a 3xx reply asks for a
>            confirmation
>            from user before doing the redirect.
>
>            Regards,
>            Bogdan
>
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>         <mailto:Users at lists.opensips.org>>
>
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>
>
>
>




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