Title	A Comparison of VoIP Performance Evaluation on different environments Over VPN Multipoint Network
Author	Adel Alharbi, Ayoub Bahnasse, and Mohamed Talea
Citation	Vol. 17  No. 4  pp. 123-128
Keywords	VPN multipoint, VoIP, Delay, Jitter, Packet loss, MOS, Simulation, Emulation, Security

Title	Scenarios for the Transition to NGN
Author	Negin Maleki, Hamed Shahbazi Fard* and Mahdi Movassagh
Citation	Vol. 17  No. 4  pp. 115-122
Keywords	Component, Migration Strategy, Migration Scenario, PSTN, IP, IMS, NGN.

Title	Analysis of Breakdown in New Stepgate Structures with Graded LDD
Author	Roji Marjorie S, Govindacharyalu PA, Lal Kishore K
Citation	Vol. 17  No. 4  pp. 106-114
Keywords	Stepped gate, breakdown voltage, LDMOS, LDD, carrier.

Title	Impact on the Usage of Wireless Sensor Networks in Healthcare Sector
Author	Ahsan Humayun Lecturer, Muneeb Niaz Lecturer, Muhammad Umar Lecturer, Muhammad Mujahid Lecturer
Citation	Vol. 17  No. 4  pp. 102-105
Keywords	Wireless Sensor Networks, Healthcare Sector, Performance Evaluation, Cancer Detection, Diabetes Detection, Asthma Detections, Challenges, Privacy, Security.