NENA i3 Architecture Standard Available for Public Review and Comment
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This NG9-1-1 Core Services specification builds upon prior NENA publications including i3 requirements and architecture documents. The i3 solution supports end-to-end IP connectivity; gateways are used to accommodate legacy wireline and wireless origination networks that are non-IP as well as legacy Public Safety Answering Points (PSAPs) that interconnect to the i3 solution architecture, as described below. NENA i3 utilizes the concept of an Emergency Services IP network (ESInet), which is designed as an IP-based inter-network (network of networks) that can be shared by all public safety agencies that may be involved in any emergency and a set of core services that process 9-1-1 calls on that network (NGCS – NG9-1-1 Core Services). The i3 Public Safety Answering Point (PSAP) is capable of receiving IP-based signaling and media for delivery of emergency calls conformant to the i3 architecture standard.
This document describes how NG9-1-1 works after transition from E9-1-1, including ongoing interworking requirements for IP-based and TDM-based PSAPs and origination networks. See the full document and its Executive Summary for further detail.
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