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Reply To: SDCCH drop



Could you explain what is happening when the MS enters the cell in Idle Mode ?

You say there is a loss of signal, resulting in “no network” ?

LU REQ -> LU ACCEPT = 17 seconds

1/ The Loc Upd Req is probably caused by an IMSI ATTACH.

2/ Such a long duration cannot be caused, to my knowlege, by a “Jammer”. So I would investigate a core network problem – but why only this cell would have this problem ???

I’ve no other idea.. a jammer creates interference, so during a call you should see a very bad rxqual.