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Reply To: IMSI Unknown in HLR


Hi Atto

You are right, IMEI is not sent in LU request messages, so no way to see the IMEI in the traces.
What you can do to check:
1. go to Astellia AA
2. open the latest AA base (real time analysis)
3. take distribution of IMSI doing the most failed LU – cause (Rej)IUH
4. Reactivate 5 of those IMSI with test numbers and call them immediately to know which phone they are using
5. Get the same phone to test yourself the scenario.