New Generation Network (NGN) Technology is going to replace the existing TDM based Public Switch Telephone Network (PSTN), being deployed predominantly for voice application. IP Multimedia Subsystem (IMS) based NGN class 5 equipment will be used for this purpose. This Network will consist of NGN Core and Access (LMG) Network. This end to end IP based Network will provide voice, data and video services on copper based Access Network. This Network is having highly modular architecture and will be compatible with existing TDM Network.
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