Rules replacement pattern missing
You need to:

Add Condition >> Content is of Type >> [your content type]

OR

Add Condition >> Entity Has Field >> node:field-telefon

Add Condition >> Entity Has Field >> node:field-signatur

OR

Add Action >> Fetch Entity by Property >> Node >> telefon >> node:field-telefon

Add Action >> Fetch Entity by Property >> Node >> signatur >> node:field-signatur