I have the below problem at one of site. Below is some of the information extracted from BTS Error Log:
The probelm is high Handover ping pogs. We replaced one TRU in Sector 3 because sector 3 couldnt handover to other sectors.
FAULT:AO: AO_TS, inst 6: Raise, TRA (REMOTE TRANSCODER COM LOST)
FAULT: ATSR:0, cease ec1 TERR LINK 6
TRACEH:Incorrect SAPI : 1
TRACEH:Incorrect SAPI : 5 OR 6