A.0 Introduction
33.1793GPPRelease 13Security of Mission Critical Push To Talk (MCPTT) over LTETS
Stage 1 requirements pertaining to MCPTT security are found in 3GPP TS 22.179 [3], Stage 2 Architectural requirements pertaining to MCPTT security are found in 3GPP TS 23.179 [2]. The following are MCPTT derived security requirements: