Patent ID: 8743892

Claim:
A system for selecting a destination gateway in a network, the system comprising: a proxy server operatively connected to an ingress gateway and a plurality of destination gateways; and a redirect server operatively connected to the proxy server, wherein the proxy server is configured to receive a call setup request from the ingress gateway and request routing information relating to the call setup request from the redirect server, wherein the redirect server is configured to: send a communication to each of the plurality of destination gateways, record, in a table, information identifying each destination gateway for which a response to the communication was received as being in-service, record, in the table, information identifying each destination gateway for which a response to the communication was not received as being unavailable, retrieve the routing information from the table, and forward the routing information to the proxy server, the routing information including a listing of destination gateways that are recorded in the table as being in-service and are capable of handling the call setup request, and wherein the proxy server is configured to forward the call setup request to at least one of the destination gateways listed in the routing information.