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Reply To: SDCCH Drop Ciphering phase_NSN



SDCCH drop counter pegs due to Radio reason at the moment of Ciphering phase. But we dont know where exactly in Ciphering.

A trace was done by Core guys but nothing found abnormal as they said due to they dont have a tool for A trace anaylsis, they did it in text I think. so nothing come up.

If we find which message not send/arrive in Ciphering , then what? it means something?

Exp. fail at BTS > MS : Ciphering Mode Command..

so ?