If having a public IP is not an option, RMS VPN could be used as an alternative to access your device over the internet. [https://teltonika-networks.com/lt/about-us/introducing-rms-vpn-service/ RMS VPN] is a service designed for remote efficient, low-cost management of large-scale networks. In contrast to point-to-point VPN services, RMS VPN enables the instant creation of encrypted VPN tunnels for secure access to multiple endpoints.