Title	Lightweight Security Mechanism for PSTN-IP Telephony Convergence
Author	Wojciech Mazurczyk, Zbigniew Kotulski
Citation	Vol. 7  No. 5  pp. 35-41
Keywords	VoIP security, PSTN-IP Telephony interconnections, network steganography, audio watermarking

Title	On the Algorithm for QRS Complexes Localisation in Electrocardiogram
Author	Mohamed Ben MESSAOUD, Dr-Ing
Citation	Vol. 7  No. 5  pp. 28-34
Keywords	Electrocardiogram, beat variability, QRS detection, wavelet transform, sensitivity

Title	Fast block size selection algorithm for inter frame coding in H.264/AVC on TMS320C6416 DSP
Author	Haithem Chaouch, Imen Werda, Amine Samet, Mohamed Ali Ben Ayed, Nouri Masmoudi
Citation	Vol. 7  No. 5  pp. 23-27
Keywords	H.264, motion estimation, block size selection, DSP, PSNR, SSIM

Title	Accelerating the Discrete Event Network Simulation by Direct Computing
Author	Xiaofeng Wang, Xiangzhan Yu
Citation	Vol. 7  No. 5  pp. 17-22
Keywords	Discrete event simulation, network simulation, number of discrete events, direct computing