Abstract Recent advances in mobile computing and wireless communication technologies are enabling high mobility and flexibility of anytime, anywhere service access for mobile us...
Sherali Zeadally, Nicolas Sklavos, Moganakrishnan ...
The Session Initiation Protocol (SIP) is a popular application-level signaling protocol that is used for a wide variety of applications such as session control and mobility handli...
Cristian Hesselman, Henk Eertink, Ing Widya, Erik ...
— Push-to-talk over Cellular (PoC) is considered as one of important applications in Next Generation Networks (NGN). The main objective of this study is to investigate the perfor...
Wei-Peng Chen, Steven Licking, Takashi Ohno, Satos...
Voice over IP (VoIP) and Instant Messaging (IM) systems to date have either followed a client-server model or have required the use of clients that do not follow any VoIP or IM st...
-- Voice services over Internet Protocol (VoIP) are nowadays much promoted by telecommunication and Internet service providers. However, the utilization of open networks, like the ...