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Can a HSS initiate detach procedure for an UE from the LTE network ?

+1 vote

If my question is valid then what could be the reason for HSS initiated UE detach procedure and which message is sent by HSS to MME to get triggered detach procedure ?

posted May 31, 2015 by Harshita

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1 Answer

+1 vote

HSS can initiate detach procedure when users Subscription is removed known as subscriber withdrawal.

It proceeds with this call flow where HSS triggers cancel location request to MME.

Source :- 23.401
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answer Jun 1, 2015 by Sachidananda Sahu
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0 votes

Hi, I heard that starting from some of 3gpp releases MME can not send detach to eNB during receives "cancell location" from HSS.
Is it true? In which release it was described first?


+2 votes

Does Mme also sends Purge(PUR) to HSS before sending delete session request to SGW when MME receives detach request from enodeb side ?
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+2 votes

In what all scenarios, this procedure gets executed ? And why this procedure need to be executed ?