Offical translation of Article 10 German Basic Law

Article 10
[Privacy of correspondence, posts and telecommunications]
(1) The privacy of correspondence, posts and telecommunications shall be inviolable.
(2) Restrictions may be ordered only pursuant to a law. If the restriction serves to protect the free democratic basic order or the existence or security of the Federation or of a Land, the law may provide that the person affected shall not be informed of the restriction and that recourse to the courts shall be replaced by a review of the case by agencies and auxiliary agencies appointed by the legislature.

Now compare this with Amendment 138 of the Telecom package...