Explain About VOLTE,CSFB.

Question

Accepted Answer

VOLTE is Voice over LTE, a technology that allows voice calls over LTE network. CSFB is Circuit Switched Fall Back, a mechanism to switch to 2G/3G network for voice calls.

VOLTE enables high-quality voice calls over LTE network
CSFB allows seamless switching to 2G/3G network for voice calls
VOLTE uses IP packets for voice transmission, providing better call quality and faster call setup
CSFB is used when a device is on LTE network but needs to make or receive a voice call, it temporarily falls back to 2G/3G network
CSFB ensures voice service availability even in areas with limited LTE coverage

Accepted Answer

While Using 4g LTE  Calls Are Initiated through LTE By using Volte IMS technique .if Volte Future  not Exist Then LTE Technique Searching Lower RAB Circuit Switching to Keep Calls It Known As Circuit Switched Fall Back (CSFB).

Explain About VOLTE,CSFB.

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