Dear Dieter Wilhelm,

I do not know a way to change the standard properties for a #+CALL
construct.
However, we recently discussed a problems with tables and source code calls.
Sebastien pointed to the following variables.

  org-babel-default-header-args
 ((:session . "none") (:results . "replace") (:exports . "code") (:cache .
"no") (:noweb . "no") (:hlines . "no") (:tangle . "no") (:padnewline .
"yes"))

 org-babel-default-lob-header-args     ((:exports .
"results"))


 org-babel-default-inline-header-args  ((:session . "none")(:results .
"replace")(:exports . "results"))

You might want to change org-babel-default-lob-header-args to your needs.
That could be done in a small eslip code block within an org-file and might
at least helps as a intermediate solution

All the best

Torsten


On 24 July 2013 14:11, Dieter Wilhelm, H. <dieter@duenenhof-wilhelm.de>wrote:

> Dear (),
>
> I've got a rather long argument list and it doesn't look good to
> supply all the arguments in one line, could somebody please implement
> #+header arguments for #+call like in the following example?
>
> #+header: :var NO=(org-entry-get nil "Report_Dir")
> #+header: :var DIR=(org-attach-dir)
> #+call: ProvideReport()[:results silent]
>
> By the way, is it still true that the number of #+header keywords for
> code blocks is restricted to 5 #+header lines?  I think this is also
> an unnecessary restriction.
>
> Thank you very much
>
>   Dieter
> --
> Best wishes
>
>     H. Dieter Wilhelm
>
> Darmstadt
> Germany
>
>