Vedanta is delivering high-quality voice services over wireless networks for their customers. LTE networks are essentially for data services, and VoLTE deployed with more voice‐related capability with common EUTRAN and EPC infrastructure. VoLTE optimization consists of 3 major parts viz. Voice Quality, Radio Network Quality, and Battery saving for UE's. Vedanta team is enhancing the operator’s overall OPEX, CAPEX, and spectral efficiency and also provides high quality of service at end-user by doing VoLTE optimization.