Ubiquitous communication will be one of the paradigms for the next decades. The use of the Internet in such applications demands for a highly reliable and secure system, especiall...
—During the last years next generation networks (NGNs) have gained attention, as an increasing number of network operators moved toward triple-play services: telephony, Internet ...
Autonomous Decentralized System (ADS) has the properties of online expansion, online maintenance and fault tolerance, which are among the important features for next generation in...
The 3rd generation partnership project (3GPP) and 3GPP2 have standardized the IP multimedia subsystem (IMS) to provide ubiquitous and access network independent IP-based services ...
—Intelligent mobile terminals (or users) of next generation wireless networks are expected to initiate voice over IP (VoIP) calls using session set-up protocols like H.323 or SIP...