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Table AA:
Q.931 Cause Messages
Normal
Unassigned Number
Incomplete Address
Temporary failure
Channel unacceptable
Channel does not exist
No B-channel available
Facility not implemented
Facility not subscribed
Facility rejected
Transit network does not exist
Transit delay not met
Throughput not met
Bearer capability unavailable
Bearer capability not implemented
Incoming Calls Barred
Outgoing Calls Barred
Network congestion
Number Busy
No user responding
Call rejected
Incompatible Destination
Destination out of order
Cause Name
Q.931 Code
FAR END REQUESTED
16
WRONG ADDRESS
1
WRONG ADDRESS
28
NETWORK FAILURE
41
WRONG CHANNEL
4
WRONG CHANNEL
82
DATA CALL BLOCKED
34
69
CALL OPTION ERROR
50
CALL OPTION ERROR
29
CALL OPTION ERROR
91
CALL OPTION ERROR
39
CALL OPTION ERROR
40
CALL OPTION ERROR
5 8
WRONG CALL TYPE
6 5
WRONG CALL TYPE
5 4
ACCESS DENIED
5 2
OUTGOING DENIED
4 2
NETWORK BUSY
1 7
BUSY
1 8
NO ANSWER
2 1
ACCESS DENIED
8 8
ACCESS DENIED
2 7
FAR END FAILURE
APPENDIX
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