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Relationships among NGN,Softswitch and IMS

XU He-yuan

Open publisher page 1 citations

Abstract

When NGN becomes a hot topic in the industry, it is imperative to reach a consensus on positioning IP Multimedia Subsystem (IMS) and Softswitch, and planning their future directions. Both the Softswitch and IMS are adopted in the Next Generation Network (NGN) service layer. The Softswitch equipment can be evolved smoothly to relevant equipment in IMS. However, it is rather difficult to realize smooth network evolution towards IMS as the Softswitch mainly supports the traditional Public Switched Telephone Network/Integrated Services Digital Network (PSTN/ISDN) services, and its basic and complementary services are offered locally.

About this research paper

What this paper is about

When NGN becomes a hot topic in the industry, it is imperative to reach a consensus on positioning IP Multimedia Subsystem (IMS) and Softswitch, and planning their future directions. Both the Softswitch and IMS are adopted in the Next Generation Network (NGN) service layer. The Softswitch equipment can be evolved smoothly to relevant equipment in IMS. However, it is rather difficult to realize smooth network evolution towards IMS as the Softswitch mainly supports the traditional Public Switched Telephone Network/Integrated Services Digital Network (PSTN/ISDN) services, and its basic and complementary services are offered locally.

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OpenAlex reports 1 citations for this work. Citation counts describe recorded attention and do not establish research quality.

Key contribution

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Method / approach

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Available abstract

When NGN becomes a hot topic in the industry, it is imperative to reach a consensus on positioning IP Multimedia Subsystem (IMS) and Softswitch, and planning their future directions. Both the Softswitch and IMS are adopted in the Next Generation Network (NGN) service layer. The Softswitch equipment can be evolved smoothly to relevant equipment in IMS. However, it is rather difficult to realize smooth network evolution towards IMS as the Softswitch mainly supports the traditional Public Switched Telephone Network/Integrated Services Digital Network (PSTN/ISDN) services, and its basic and complementary services are offered locally.

Key concepts: Softswitch, Next-generation network, Computer science, Computer network, IP Multimedia Subsystem, Integrated Services Digital Network, Public switched telephone network, Telecommunications

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