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In recent years, Internet Protocol (IP) telephony is becoming popular because it offers more flexibility in the implementation of new features and services. Session Initiation Protocol (SIP) is a peer-to-peer, multimedia signaling protocol standardized by the Internet Engineering Task Force (IETF) plays a vital role in providing services to IP telephony. SIP is ASCII-based, resembling HTTP, and reuses...
This paper, in accordance with the authors' continuing research investigates the effect of adding extra servers in Session Initiation Protocol (SIP) signaling network on session setup delay in the IP Multimedia Subsystem (IMS). The effect of applying more than one server in reducing waiting time in each of the nodes of the system is previously investigated by the authors in and applying more servers...
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