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This video covers CSFB call flow (4G-LTE to 3G circuit switched fallback ), LTE to 3G UMTS (Universal Mobile Telecommunications System), CSFB (Circuit Switched Fallback) call flow describes the complete flow of circuit switched fallback from an LTE network to UMTS.
LTE to 3G UMTS CSFB call flow describes the complete flow of circuit switched fallback from an LTE network to UMTS.
#4g #lte #4glte #3g #callflow #ltecallflow #csfb #umts
