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Does UE waits for detach accept message from network in UE initiated detach?

+3 votes
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Does UE waits for detach accept message from network in UE initiated detach?
posted Jul 17 by Rohit Verma

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1 Answer

+1 vote

UE waits for "Detach accept" when detach request is not sent with switch off flags "on (1)". In other cases, network responds to UE with the "Detach accept" message.

answer Jul 18 by Vimal Kumar Mishra
If switch off flag is true and Network didn't send detach accept then what happens?
The only difference is that MME does not perform any NAS signalling with UE but it perform rest of the signalling with other nodes such as SGW and eNodeB. MME sends Delete Session Request to SGW and after getting Delete Session Response, it initiates UE Context Release Command towards eNodeB to clear UE context at eNodeB.
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+2 votes

Can somebody please explain the procedure of Detach Request if it is triggered by Network.?

+1 vote

In specification, I found two categories of QoS rules i.e., Signaled and Derived QoS rules. At a high level what I know that signaled QoS rules are the rules which are generated at core network and sent to UE as part of PDU SESSION ESTABLISHMENT. But I want to know what is derived QoS and where it is generated and used ?

+3 votes

In network initiated detach the triggering point is MME. There are different types of detach like reattach required, IMSI detach.
In case of reattch required(OAM detach) which UE ID is used at MME as triggering entity?

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