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Reply To: Random SD Congestion during weak hours

#66526
pix
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hi,

the location updates takes 10s because it is “rejected” I guess. The core network does not answer to the LU REQ, so the MS is waiting 10s then it “drops” the sdcch.

That’s a possible scenario, I’m not saying that’s the answer 🙂 But it sounds reasonnable. In your case, the problem would come from VLR/HLR rather than the MS.
MS repeats the LU REQ because the previous ones didn’t get through.

If you are lucky enough to trace your situation, let me know !!