Patent ID: 7333492
Filing Date: 2008-02-19
Classification: H04L

Abstract:
1. A media gateway control protocol (MGCP) proxy server for interfacing a plurality of MGCP gateways with a plurality of MGCP call agents independent of whether each of the gateways is served by a network address translation server, the proxy server comprising: a network interface with an assigned internet protocol (IP) address for exchanging MGCP messages over an IP compliant network; a notified entity map associating each of the plurality of gateways with a one of the plurality of call agents which supports the gateway; a registration map associating each of the plurality of gateways with a public socket on which an MGCP message was received from the gateway and an indication of a predetermined time window during which the public socket is valid; a gateway request map associating, for each of a plurality of MGCP messages translated by the proxy server: i) a unique transaction ID assigned to the MGCP message; and ii) a message transaction ID assigned to the MGCP message by the gateway; a translation module for: