after IRAT HO call is always dropped

[ergin]

hi

ı want to ask that a drop call case.when the ue is performing a handover from umts to gsm,ue uses EFR coding and RLT decreasing from 20 and the call is dropped.ı have seen 5 drop call like that.what can ı do about this problem,

thanks for your replies..

[consultant]

check on RNC is it IRAT enabled:
get handover fddGsmHOSupp