A multi-tiered communication system for provisioning a cloud computing system to host a media server. The system includes a data center including one or more Interactive Voice Recognition (IVR) functions that are configured for use with a caller who initiates contact with the data center. The system also includes a media server implemented in a cloud computing system. The media server is configured to route an incoming call from one subscriber to another, or in the case of a caller to the data center, to route one or more IVR messages to the caller and to connect the caller with an agent for real-time communication.