
Appendix A. System Event Logging
Table A-7. ISDN Cause Codes (Continued)
Cause Code Message  | Code  | Category | 
  | 
  | 
  | 
CHAN_NOT_IMPLEMENTED | 66  | Major  | 
  | 
  | 
  | 
FACILITY_NOT_IMPLEMENTED | 69  | Major  | 
  | 
  | 
  | 
INVALID_CALL_REF | 81  | Major  | 
  | 
  | 
  | 
CHAN_DOES_NOT_EXIST | 82  | Major  | 
  | 
  | 
  | 
INCOMPATIBLE_DEST | 88  | Major  | 
  | 
  | 
  | 
INVALID_MSG_UNSPEC | 95  | Major  | 
  | 
  | 
  | 
MANDATORY_IE_MISSING | 96  | Major  | 
  | 
  | 
  | 
NONEXISTENT_MSG | 97  | Major  | 
  | 
  | 
  | 
WRONG_MESSAGE | 98  | Major  | 
  | 
  | 
  | 
BAD_INFO_ELEM | 99  | Major  | 
  | 
  | 
  | 
INVALID_ELEM_CONTENTS | 100  | Major  | 
  | 
  | 
  | 
WRONG_MSG_FOR_STATE | 101  | Major  | 
  | 
  | 
  | 
TIMER_EXPIRY | 102  | Major  | 
  | 
  | 
  | 
MANDATORY_IE_LEN_ERR | 103  | Major  | 
  | 
  | 
  | 
PROTOCOL_ERROR | 111  | Major  | 
  | 
  | 
  | 
INTERWORKING_UNSPEC | 127 | Major | 
  | 
  | 
  | 
Cause Code IEs that are 
<message> : <coding standard> code <cause code>
The coding standard field is one of:
•Reserved
•National
•Local
ATLAS 800 PLUS User Manual  | 
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