That means some other script function created the dialog in advance. you can find which one by adding something like this on top of your request route:
    script_trace( 1, "$rm from $si, dlg is $DLG_status", "dbg");

And see where the print changes from NULL to 1 ;)

Regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
  https://www.opensips-solutions.com
  https://www.siphub.com

On 17.12.2024 17:58, M S wrote:
Thank you for your answer. I tried that and it shows DLG_status 1, which means the dialog is created but I definitely didn't create a dialog before that line. Also, the dialog is created further down with create_dialog("pPB") command because I see OPTIONS being sent to both caller and callee (pP working). Why would DLG_status print 1? I will try to print it at different lines of script to see where it changes... I have a t_newtran and some $acc_extra lines befores (other than some standard processing)

On Tue, Dec 17, 2024 at 4:39 PM Bogdan-Andrei Iancu <bog...@opensips.org> wrote:

    Hi,

    Yes, the dlg_val assignment fails if there is no current dialog.
    Maybe
    the dialog is created (internally) by some other script function
    you are
    using. Try prinitng the $DLG_status before the assignment, just to
    see
    if there is a dialog or not

    Regards,

    Bogdan-Andrei Iancu

    OpenSIPS Founder and Developer
    https://www.opensips-solutions.com
    https://www.siphub.com

    On 17.12.2024 14:08, M S wrote:
    > Hi list,
    > I have a script like this:
    >
    > ..... some processing
    > if (is_method("INVITE") && !has_totag()) {
    >   $dlg_val(x)="y";
    > }
    > .... some processing
    > if (is_method("INVITE") && !has_totag()) {
    >     create_dialog("pPB")
    > }
    >
    > My first question is, why does this work?! documents say $dlg_val
    > cannot be used before dialog is created, and create_dialog is
    called
    > after dlg_val here.
    > I have verified that indeed dialog is created using
    create_dialog, and
    > indeed $dlg_val(x) stores the value (it is available later in
    the dialog).
    >
    > Second question, once or two times a day (after thousands of
    calls) I
    > see a do_assign setting PV failed error message on the
    $dlg_val(x)="y"
    > line. Since this shouldn't have worked to begin with, I
    don't know how
    > to debug this. Any suggestions?
    >
    > Thank you!
    >
    > _______________________________________________
    > Users mailing list
    > Users@lists.opensips.org
    > http://lists.opensips.org/cgi-bin/mailman/listinfo/users

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