Cell Broadcast Service or Public warning system is part of 5G cell broadcast mechanism. Cell Broadcast Centre Function(CBCF), is generic broadcast centre responsible for all kind of broadcast messages including…
Emergency Services(E911) FallBack procedures in 5G
1.1 Emergency Services FallBack ES-FB 1.1.1 Introduction Service Request for emergency: This solution is new in 5GS, i.e., there is no equivalent in 4G. The UE uses service-request for emergency…
EPS Fallback Voice in 5G
1.1 Introduction Voice over NR with EPS Fallback includes an additional mobility trigger by which the UE falls back from NG-RAN to LTE during call establishment. This may be needed,…