Stir brandy, sugar, and framboise in medium bowl. Slice 9 strawberries; add to brandy mixture. Let stand 1 hour at room temperature, then strain. (Can be prepared 1 day ahead. Cover; chill brandy mixture and remaining 6 strawberries separately.)
Divide brandy mixture among 6 Champagne glasses. Add 1 strawberry to each glass. Fill with Champagne; serve.
*Available at liquor stores and some specialty foods stores.
