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To ensure that National Security and Emergency Preparedness (NS/EP)-associated personnel can communicate during times of crisis, priority telecommunications services have been implemented over the past two decades within the public telephone networks of the United States. Emerging capabilities enabled by recent advances in communications protocols, network infrastructure, user device functionality...
Various priority services exist today in the public networks to support key personnel in their critical communications during a National Security and Emergency Preparedness (NS/EP) condition. These priority services will evolve as the public networks evolve to Next Generation Network (NGN) Internet Protocol (IP)-based infrastructures, including the 4G wireless network called Long Term Evolution (LTE)...
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