Future network Integrated Single Network SoftSwitch All P Network IP Switch WGW AGW/TGW Mobile network PSTN Data Network .WGW: Wireless Gateway TGW: Trucking Gateway AGW: Access GatewayMobile Network PSTN All IP Network All IP Network WGW AGW/TGW IP Switch Future Network Future Network Integrated Single Network Integrated Single Network Data Network SoftSwitch SoftSwitch •WGW : Wireless Gateway TGW : Trucking Gateway AGW : Access Gateway