Study on discreet listening and logging for mission critical services
The present document studies solutions to satisfy the requirements for discreet listening and logging for mission critical services. It identifies enhancements to be included in the technical specifications for MCPTT, MCVideo, MCData and in the common functional architecture to support mission critical services. Requirements for this study are taken from the Stage 1 requirements, including 3GPP TS 22.280 [2], and 3GPP TS 22.281 [3].