I am facing high TCH-ASFR in one of the cell and in the trace im getting “Error Indication: RLM Cause: 13 SABM command, multiple frame established state”. In this cell i have changed the TRX, CDU, Fedder, CMM. Also i have not found any BER on PCM on abis interface. This problem arises at a sudden. Please help me out in solving the probkem.
Reply will be appreciated.
Thanx Pavel for ur reply.
Vendor is ZTE and TCH type is FR.
There is no mistach in the A-bis definition at BSC side. I have alerady compared our ZDB database for the mismatch.
Can u tell me what is the meaning of the “Cause:47. Resource unavailable, unspecified”.