Iquabal Ahamed is a senior engineer providing customer support for Ericsson's packet core, EPC, and IMS VoLTE solutions. He has over 4 years of experience supporting PCRF, SASN, EPG-M, EPG-S, SGSN, MME, and SPP according to business requirements. He has expertise in SASN and GGSN-based DPI SACC solutions and troubleshooting. Currently based in India, he provides first and second level support globally.