VoLTE呼叫流程中我们可以在空口信令中看到QCI=1的GBR速率()
Activate Default EPS Bearer Context Request
B. RRCConnectionSetup
C. RRCConnectionRequest
D. Activate Dedicated EPS Bearer Context Request
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UE接入LTE网络时,消息将分配的GUTI传递给用户()
A. Create Session Response
B. Attach Complete
C. Attach Accept
D. Create Session Request