Journal Articles 2016(1 publication) [publication]Koirala, S. and Sung, A.H. and Wang, H. and Ribeiro, B. and Liu, Q. , "RtpExtSteg: A Practical VoIP Network Steganography Exploiting RTP Extension Header", IEEE COMSOC MMTC Communications - Frontiers, vol. 11, pp. 66, 2016