Use Nokia Team Comms to facilitate communication and increase worker safety in a private wireless network infrastructure, also without internet connectivity. Nokia Team Comms is a cost-effective 3GPP aligned solution that enables person-to-person and group communication through push-to-talk/-video and messaging. Anyone can initiate a priority call overriding all other on-going calls. Communication data is securely logged on-premise. Nokia Team Comms includes a web console for easy user management.
Related link: https://www.dac.nokia.com/applications/nokia-dac-team-comms/

Source: Nokia YouTube
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