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NSN
SDCCH_RADIO_FAIL (C1003)
SDCCH_ABIS_FAIL_OLD (C1076)
SDCCH_A_IF_FAIL_OLD (C1079)
SDCCH_ABIS_FAIL_CALL (C1075)
SDCCH_RF_OLD_HO (C1004)SDCCH_USER_ACT (C1037)
SDCCH_BCSU_RESET (C1038)
SDCCH_NETW_ACT (C1039)
SDCCH_BTS_FAIL (C1036)
SDCCH_LAPD_FAIL (C1035)
SDCCH_A_IF_FAIL_CALL (C1078)
(-)T3101_EXPIRED (057020)
channel activation failures before est ind
should be after est ind when sdcch is actually seized?
major contributor is at C1003 radio fail which pegs even before est ind.
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ERICSSON
CNDROP
(-) CNRELCONG
upon sending clear request and after est ind
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HUAWEI
CM30:Call Drops on SDCCH
after est ind and before clear request message gets sent out from BSC
