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The PoC (push-to-talk over cellular) application allows point-to-point or point-to-multipoint voice communication between mobile network...
In this paper, we provide complete end-to-end delay analyses including the relay nodes for instant...
The existing session establishment scenario of IP Multimedia Subsystem (IMS) suffers from triangular routing for...
Push-To-Talk can be viewed as an Instant Messaging service, enhanced with voice functionality. Most of...
IMS (IP Multimedia Subsystem) is the technology that will merge the Internet (packet switching) with...
In this research, we propose a weighted class based queuing (WCBQ) mechanism to provide class...
Presence is one of the basic services which is likely to become omnipresent in IMS...
The existing session establishment scenario of IP multimedia subsystem (IMS) suffers from triangular routing for...
The IP Multimedia Subsystem (IMS) is the technology that will merge the Internet (packet switching)...
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