Defense & public safety: tactical networks, mission-critical PTT

Mission-Critical Services Architecture

Mission-Critical Push-to-Talk, MCVideo, and MCData collectively form the MCX service family defined by 3GPP for public safety and defense communications. MCPTT delivers group voice communication with sub-300-millisecond call setup time, supporting one-to-one, one-to-many, and many-to-many talk groups with floor control and priority pre-emption. MCVideo extends this to real-time video sharing from body cameras and vehicle dashcams. MCData provides short data service for location updates, sensor telemetry, and database queries. All MCX services run over private 5G with QoS class identifier nine…