Patent ID: 6954441
Filing Date: 2005-10-11
Classification: H04W

Abstract:
1. A mobile telecommunications system comprising: an internet Protocol (IP) based Global System Mobile (GSM) system; a Universal Mobile Telephony System (UMTS) system; a connection connecting both said IP-based GSM system and said UMTS system to a common IP network; and wherein a user plane for both the GSM system and the UMTS system uses a common Media Gateway (MGW) and wherein said IP-based GSM system includes a Mobile Switching Center (MSC), at least one Base Station Controller (BSC) and at least one Radio Base Station (RBS), wherein said UMTS system includes at least one Radio Network Controller (RNC), and wherein a control plane of the MSC is terminated in an MSC server and a control plane of the RNC/BSC is terminated in a Radio Network Server (RN Server), and wherein the MSC server, the RN Server, the MGW and all RBSs are connected to the common IP network.