Patent ID: 7924812
Filing Date: 2011-04-12
Classification: H04L

Abstract:
1. A communication network for interworking communications between a Voice over Internet Protocol (VoIP) domain and one or more other domains providing a plurality of services, comprising: a first location server of a VoIP domain; and a first gateway coupled to the first location server and configured to interwork communications between the VoIP domain and a second domain; the first gateway, responsive to a first status change associated with a first service provided by the second domain, transfers a first update message to the first location server wherein the first update message indicates the first gateway, the first status change, the second domain, and the first service; the first location server, responsive to receiving the first update message, processes the first update message to determine a third domain that provides the first service and transfers a second update message to a second location server of the third domain wherein the second update message indicates the first gateway, the first status change, the second domain, and the first service.