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Reply To: Tch Failure in common bcch


Hi Rachid.
For TCH reselection beetwen segments responsible HOC parameters LAR(NON BCCH LAYER ACCESS THRESHOLD) ,LER (NON BCCH LAYER EXIT THRESHOLD), and BTS parameter NBL (NON BCCH LAYER OFFSET). Usually LAR=-85, LER=-95, NBL=5,7. Also parameter NBL must be set only for non-BCCH segment layer, because in other case you will have 99% RACH reject on cell. For GPRS reselection between segmentson Common BCCH need tune GPU & GPL parameters.
Good luck.