TY - GEN AU - Priam Varin AU - Yishen Sun AU - Wesley Garey C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2018-10-01 04:10:00 DO - https://doi.org/10.6028/NIST.IR.8236 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2018 TI - Test scenarios for mission critical push-to-talk (MCPTT) off-network mode protocols implementation: ER -