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When will mme change the security keys and send it in ue context modification request message

+2 votes
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when mme will change the security keys and send it in ue context modification request message

posted Jul 26, 2017 by Naren Nishad

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How mme have to react when it didn't receive WRITE-REPLACE WARNING RESPONSE from a eNB after sending WRITE-REPLACE WARNING REQUEST to it.

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From MME to eNodeB, UE context modification procedure is triggered I know but what makes trigger of UE Context modification procedure from eNodeB to MME ?

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