requirements_and_architecture_for_emergency_calling----Page:2
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Big picture Get citizen emergency call to emergency call center (Public Safety Answering Point) = PSAP Not emergency coordination (see IEPREP) Not just VoIP, but also video, text, data, … Not green field – incremental deployment Architectures: trunk replacement (last hop only) VoIP to traditional PSAP end-to-end VoIP |