IPRAN and IPBB Network - Design, Support,Planning,Network Integration for Core CS Interconnection.Datacomm Network AUDIT.Datacom Network Design and Integration with CORE PS.CORE PS LSW Design and Integration.CORE PS Firewall Design Integration Planning and Management for UGW NAT.Design and Implementation of LAN and WAN Network/Enterprise ProductsTreasure and Economy Ministery Firewall Security Network.Customer Support and Assurance Team for Network Reliability.Mobile Portability solution deployment including data configuration,service migration and functionality test (Mobile Terminating Recovery).CORE CS ATCA platform change solution deployment including configuration adaptation and service migration.IMS Upgrade, test and solution for VOLTE Implementation.HLR Switchover test solution and deploy for Emergency recovery.CORE CS Maintenance and Solution Develop.CORE CS Network Upgrades Solution and Deploy, for Software Upgrade.