Call flows 5G-NR Non Standalone Access Flow (EN-DC) LTE support for 5G dual connectivity will enable 4G network operators to introduce 5G services with a minimal upgrade to support 5G data plane. This is achieved with the support for 4G eNB and 5G gNB dual connectivity (EN-DC). ...
LTE to 3G UMTS CSFB call flow Describes the complete flow of circuit switched fallback from an LTE network to UMTS. You can click on most messages in the flow to reveal full details about individual messages. Interactions between LTE and 3G Summary call flow that focuses on the interactions ...