An elevator data communication system is configured to communicate between a plurality of elevator systems and a datacenter remotely located from the plurality of elevator systems. The elevator data communication system includes a software-based cloud communication platform and a server. The software-based cloud communication platform is configured to receive and send communications to the plurality of elevator systems. The server is remotely located from the plurality of elevator systems and is configured to send and receive the communications between the datacenter and the software-based cloud communication platform. The server includes a plurality of software-based simulated modems each assigned to a respective one of the plurality of elevator systems.