Technology

What is Circuit Switched FallBack (CSFB) ?

Posted on
Gigabit 4G LTE Technology 8T8R Beamforming

What is Circuit Switched FallBack (CSFB) ? Circuit Switched FallBack (CSFB) is a technology used in 4G LTE whereby voice and SMS services are delivered to LTE devices through the use of GSM or another circuit-switched network. Circuit Switched FallBack is needed in some networks because LTE is a packet-based all-IP network that cannot support […]