sputy on "[Plugin: Contact Form 7] need the name of the page who was displayed bevor the actual contact form"

hi there ;)
maybe only a small problem ? Hope to find a aswer here !
i have a Page with a contact form (B) who is called from various other pages (A1..An) via a button, is there any shortcode o snippet, variable, etc.., to put the name of the page (Ax), from witch the contact form page is called, into the email ??
something like [post_name]-1 :D
thank you (y)

http://wordpress.org/plugins/contact-form-7/