Hi amkam
1-Rach error-check for co-BSIC -BCCH in the neighbourhood.also check for phantom rach.
2-BLOCK type : NO Immediate Assignment —-SDCCH Blk
Block type : No Alerting or connect
Block type : No connect
—-Ater,Abis or A-interface blk
Block type : switching equipment congestion —-A- or Txcdr blk