Traditional Culture Encyclopedia - Traditional culture - How to understand 5qi=9?

How to understand 5qi=9?

It is understood as default bearer establishment or data service. VoNR signaling flow establishes bearer and RRC connection based on 5QI; Default bearer establishment (5QI=8 or 5qi = 9); IMS signaling plane SIP default bearer establishment (5QI = 5); IMS user plane voice dedicated bearer establishment (5QI =1); While the UE is talking, there are three QoSFlow, namely data service (5QI=8 or 5QI=9) and voice service (5QI= 1 and 5QI=5), and the voice call starts.