In a case currently before the European Court of Justice (C-64/06), the issue is under discussion of the direct effect of certain provisions of the Electronic Communication Framework (for those who like article numbers: it is art. 8.2 of directive 2002/19 and art. 16, jointly with art. 6 and art. 7, of directive 2002/21).
Basing his reasoning on the authority of Proust (not a ECJ precedent, but Marcel Proust himself), the Advocate General has concluded that there is no direct effect. Therefore, absent implementation, the Czech Authority was entitled to impose interconnection obligations without following the procedure set out in the framework (in particular, market definition and assessment).
Below, the resolutive quote:
"En réalité, le seul véritable voyage, ce ne serait pas d’aller vers de nouveaux paysages, mais d’avoir d’autres yeux, de voir l’univers avec les yeux d’un autre".