[Serdev] Re: [Sems] Stale CSeq Value with BYE

Ulrich Holeschak ulrich at holeschak.de
Sun May 2 20:29:08 UTC 2004


Hello,
thanks for the modification, i tried the same thing myself, its working now.

But i had to modify my routing script again to let also the BYE get routed
correctly (with maddr present), see here:

route{

...
        # Don't accept messages that are too long. Don't change this
setting.
        if ( msg:len > max_len ) {
                sl_send_reply("513", "Message too big");
                break;
        };
       # for Windows Messenger: if maddres is present route telegranms there
        if(uri=~"sip:.*@.*:[0-9]*;maddr=.*;.*"){
                log("replace destination with maddr\n");
                exec_dset("
                        NEW_URI=`echo $SIP_RURI | sed -e
's/\(sip:\)\(.*@.*\)\(:[0-9]*;\)\(maddr=\)\(.*\)\;/\1\5\3/'`
                        echo $NEW_URI
                        echo > /dev/null
                        ");
                route(1);
                break;
        }

        # By default we record route everything except REGISTERs
        if (!(method=="REGISTER")) record_route();

        # subsequent messages withing a dialog should take the
        # path determined by record-routing
        if (loose_route()) {
                # mark routing logic in request
                append_hf("P-hint: rr-enforced\r\n");
                route(1);
                break;
        };

        # Deal with our domain first. This condition matches if the SIP URI
is
        # one of the domains specified in the "listen=" or "alias="
statements
        # above.
        if (uri==myself) {
...

route[1]
{
        # send it out now; use stateful forwarding as it works reliably
        # even for UDP2TCP
        if (!t_relay()) {
                sl_reply_error();
        };
}

----- Original Message ----- 
From: "Raphael Coeffic" <rco at iptel.org>
To: "Ulrich Holeschak" <ulrich at holeschak.de>; <sems at lists.iptel.org>
Sent: Sunday, May 02, 2004 9:34 PM
Subject: Re: [Sems] Stale CSeq Value with BYE


> Hi Ulrich,
>
> i just fixed that bug (please update from CVS). Thanks for reporting it.
> Could you test it now ?
>
> -Raphael.
>
> ----- Original Message ----- 
> From: "Ulrich Holeschak" <ulrich at holeschak.de>
> To: <sems at lists.iptel.org>
> Sent: Sunday, May 02, 2004 2:21 AM
> Subject: [Sems] Stale CSeq Value with BYE
>
>
> Hello,
> now after my ACK problem has been (hopefully) solved i got stuck at
another
> point:
>
> If i hangup my PSTN phone (connected via isdngw to Windows Messenger) the
> Windows Messenger doesn't react on the BYE and finally stops transmission
> with an timeout.
>
> If have looked in the protocols and have found that the Windows Messenger
> rejects the BYE with: 500 Stale CSeq Value.
> The CSeq Value in all Reqests (INVITE, ACK, BYE) is always 11!
>
> If the Windows Messenger disconnects (what is working ok), 1 is used for
the
> CSeq in BYE.
>
> It seems that there is an BUG in isdngw (or sems) that doesn't modiy the
> CSeq for BYE. Is this true?
>
> Ulrich
>
>
>
> --------------------------------------------------------------------------
--
> ----
>
>
> > _______________________________________________
> > Sems mailing list
> > sems at lists.iptel.org
> > http://lists.iptel.org/cgi-bin/mailman/listinfo/sems
> >




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