Modify Process Calling for specific customization

I have customized Case Entry and Quote Entry.
In the Case Entry there are linked quotes by default and if you double-click on one of them the Quote entry should open. My problem is that I want to open my customized version of Quote Entry.
I don’t want to use Calling Maintenance to set it because I would like to keep original behaviour for standard Case Entry.
So is there any way to set calling way for that particular Case Entry customization only?

Here is a good example, you can achieve this by creating a process caller