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4 APPENDIX B
B
NI / 5E Custom Appendix - Error Messages
Table B-2 National Standardized Cause Values
Cause # Message Displayed Description
004 VACANT CODE ......................... Unused area or central office
code
008 PREFIX 0 DIALED IN ERROR
009 PREFIX 1 DIALED IN ERROR
010 PREFIX 1 NOT DIALED
011 EXCESSIVE DIGITS RECEIVED,.... Switch has truncated
CALL IS PROCEEDING excessive digits and call is
proceeding
26 MISROUTED CALL TO A PORTED
NUMBER
051 CALL TYPE INCOMPATIBLE WITH
SERVICE REQUEST
053 SERVICE OPERATION VIOLATED
101 PROTOCOL ERROR, .................. Call cleared due to
THRESHOLD EXCEEDED excessive protocol errors