@article{cisuc-4713-2016, author={Koirala, S. and Sung, A.H. and Wang, H. and Ribeiro, B. and Liu, Q. }, title={RtpExtSteg: A Practical VoIP Network Steganography Exploiting RTP Extension Header}, editor={IEEE}, journal={IEEE COMSOC MMTC Communications - Frontiers}, volume={11}, number={62}, pages={660}, year=2016, address={n/a}, }