文档介绍：Disconnection Codes Cause Name Disconnection Cause Code Disconnection Cause Sub - Code Unspecified 00 Radio Connection Supervision ( RCS ) 10 Radio Connection Supervision ( RCS ) 11 Radio Connection Supervision ( RCS ) 12 Radio Connection Supervision ( RCS ) 13 Radio Connection Supervision ( RCS ) 14 Congestion 21 Transport 30 Transport 31 Transport 32 Transport 33 O&M 41 Measurement control failure 51 Measurement control failure 52 Measurement control failure 53 Measurement control failure 54 Soft Handover 61 Soft Handover 62 Soft Handover 63 Soft Handover 64 Soft Handover 65 Soft Handover 66 Soft Handover 60 Inter Radio Access Technology ( IRAT ) 71 Inter Radio Access Technology ( IRAT ) 72 Inter - Frequency Handover ( IFHO ) 81 Inter - Frequency Handover ( IFHO ) 82 Inter - Frequency Handover ( IFHO ) 83 Channel Switching 91 High Speed Hard Handover Hard Handover Hard Handover 112 Iu User Plane Control 121 Disconnection Codes Trigger Identity Parameter Unspecified - all cases which will result in abnormal RAB disconnection and do not map to any of the ones described below. - Other Radio Link Control ( RLC ) unrecoverable error. - Radio Link Control ( RLC ) unrecoverable error in UTRAN (maximum number of RLC retransmissions is reached). - Radio Connection Supervision - expiry of timer (rcsAllRlLostTimer or hWaitCuTimer or hsDschRcLostT) - Radio link failure indication leadi