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Reply To: TBF Drop due to N3105?


hi noob,

could you please explain this part:
“Gb measurements “active” cards with terminated MSISDNs are causing the problem”

N3105 means that the MS does not ack/nack the DL RLC BLOCKS. I don’t see why this would be linked to GMM message content. Maybe the rejection from the HLR provokes a TBF immediate release in the MS : the GPRS service being “not allowed”, it wouldn’t surprise me if the MS stopped the TBF immediately, without informing the MFS.

Why does the HLR says “GPRS service not allowed” ? Isn’t it the actual problem, right there ?