NAREN CHAKRAVARTHULA

Role: •4G IP Packet Core ECP-222 Certified. •Supported GTT Guyana GGSN-EPG Modernization. •supported for Vodafone Turkey on EPG-M120 and EPG-SSR Network for board integration. •Integration of MME-SGSN with S1-MME, S11, S6a, S13, S10 interfaces. •Performed Software upgrade in EPG-SSR and EPG-M120,MME-SGSN. •Supported on EPG-SSR ATP test cases for Telefonica UK,Motorola Uk •Integration of Huawei SGSN pool to Bind DNS (i.e. for S16,Gn,S3,S4 interfaces) for Claro Dominic and Republic.

•Worked as a Part of Global Service delivery team and worked on for EPC-LTE, 2G and 3G Packet Core nodes. •Installation, configuration , Integration and Troubleshooting and Configuration changes with priority wise cases for Packet core nodes-), DX-200 & ATCA (SGSN and MME), Flexi-ISN, Flexi-NG (GGSN and SAE GW) for priority customer all over the word

•Worked as R&D Support Engineer for NSN-SGSN project. •The project involves testing of the network elements (BTS, BSC, RNC, DX-SGSN & ATCA -SGSN) and interfaces involved for a packet call using GSM/GPRS and 3G UMTS technology for the Client Nokia Siemens Networks. •Very Good at Hardware Configuration ,Commissioning, Integration and software Installation of Nokia SGSN