The present specification provides a system and method for real time rating and billing across distributed sites with poor link connectivity. The method includes receiving a request for initiate a connection with a mobile device; at a rating module, determining a rating associated with the connection request, based on (i) an identifier of the mobile device, and (ii) a quality of a link between the rating module and a billing engine; at a balance module connected to the rating module, determining whether a billing criterion associated with the connection request is satisfied, based on (i) an identifier of the mobile device, and (ii) a quality of a link between the balance module and the billing engine; and when the billing criterion is satisfied, sending a response to the request for completing the connection with the mobile device.