The paper linked in the article: "Phonotactic Reconstruction of Encrypted VoIP Conversations"[1] specifically works in a situation without padding because the c

The paper linked in the article: "Phonotactic Reconstruction of Encrypted VoIP Conversations"[1] specifically works in a situation without padding because the compression scheme affects the length of packets in a semantic way. [1] http://www.cs.unc.edu/~fabian/papers/foniks-oak11.pdf http://www.cs.unc.edu/~fabian/papers/foniks-oak11.pdf