What is the difference between CSFB and eCSFB?

4G LTE
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1

Can any1 tell me the difference between csfb n ecsfb??

2

CSFB: The UE release de eNodeB and redirect to the target CS domain and performs de CS Call Setup
eCSFB: UE performs the CS Call Setup while the still camp on LTE. After the UE is redirected to CS domain, starts the CS call.

3

Could someone please translate that into layman terms?

4

Hello dear @crooner, please check this link
What is CSFB and SRVCC in LTE?