Problem indication:drop due to bad quality
. Interference-co-or adjacent interference
solution:
downtilt interferer cell or cells
Problem indication-Drop due to other reason
since there is no urgent conations but the call is dropped its hard to find the reason
. Generally drops due to other reason indicate a non RF problem
solution
.transmission problems
.dTRU or dRU hardware problem
.wrong definition of call in MSC BSC
.Wrong LAC definition in MSC