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Description / Abstract: Introduction
The Gs interface connects the MSC/VLR and the SGSN in the GPRS-136 netw orkarchitecture (see TIA/EIA-136-330 [1]). This standard lists the layer-3 procedures andmessages applicable to the Gs interface in a GPRS-136 network. It also describes theassociation between an MSC/VLR and an SGSN.