User Guide
ISDN Router Manual V.1.1
86
APPENDIX 2 Disconnect Cause Indication
Class No. Description
001 Unassigned (unallocated) number
002 No route to specified transit network
003 No route to destination
006 Channel unacceptable
007 Call awarded and being delivered in an established channel
016 Normal call clearing
017 User busy
018 No user responding
019 User alerting no answer
021 Call rejected
026 Non-selected user clearing
027 Destination out of order
028 incomplete number
029 Facility rejected
030 Response to STATUS ENQUIRY
Normal
Event
031 Normal, unspecified
034 No circuit/channel available
038 Network out of order
041 Temporary failure
042 Switching equipment congestion
043 Access information discarded
044 Requested circuit/channel not available
Resource
Unavailable
047 Resource unavailable, unspecified
049 Unable to use QOS
050
057 Bearer capability no authorized
058 Bearer capability not presently available
Service or
option not
available
063 Service or option not available
065 Bearer capability not implemented
066 Channel type not implemented
069 Requested facility not implemented
070 Only restricted digital information bearer capability is available
Service or
option not
implemented
079 Service or option not implemented, unspecified
081 Invalid call reference value
082 Identified channel does not exist
083 A suspended call exists, but this call identity does not
Exist
085 No call suspended
086 Call having the requested call identity has been cleared
088 Incompatible destination
091 Invalid transit network selection
Invalid
message
095 Invalid message, unspecified
096 Mandatory information element is missing
097 Message type non-existent or not implemented
098 Message not compatible with call state or message type non-existent
or not implemented
099 Information element non-existent or not implemented
100 Invalid information element contents
101 Message not compatible with call state
102 Recovery on time expiry
Protocol error
111 Protocol error, unspecified
Inter-working 127 Inter-working, unspecified