This brochure focuses on the "Government Emergency Telecommunications Service (GETS) provides emergency access and specialized processing in the local and long-distance segments of the public switched telephone network (PSTN) to authorized National Security and Emergency Preparedness (NS/EP) personnel." The brochure answers the questions "What is GETS?" and "Why use GETS?" The brochure also explains how to apply for GETS.
Government Emergency Telecommunications Service: http://gets.ncs.gov/docs.html