Template
- 0 Valid cause code not yet received
- 1 Unallocated (unassigned) number
- 2 No route to specified transit network (WAN)
- 3 No route to destination
- 4 send special information tone
- 5 misdialled trunk prefix.
- 6 Channel unacceptable
- 7 Call awarded and being delivered in an established channel
- 8 Prefix 0 dialed but not allowed
- 9 Prefix 1 dialed but not allowed
- 10 Prefix 1 dialed but not required
- 11 More digits received than allowed, call is proceeding
- 16 Normal call clearing
- 17 User busy
- 18 No user responding
- 20 Subscriber absent
- 19 no answer from user
- 21 Call rejected
- 22 Number changed
- 23 Reverse charging rejected
- 24 Call suspended
- 25 Call resumed
- 26 Non-selected user clearing
- 27 Destination out of order
- 28 Invalid number format (incomplete number)
- 29 Facility rejected
- 30 Response to STATUS ENQUIRY
- 31 Normal, unspecified
- 33 Circuit out of order
- 34 No circuit/channel available
- 35 Destination unattainable
- 37 Degraded service
- 38 Network (WAN) out of order
- 39 Transit delay range cannot be achieved
- 40 Throughput range cannot be achieved
- 41 Temporary failure
- 42 Switching equipment congestion
- 43 Access information discarded
- 44 Requested circuit channel not available
- 45 Pre-empted
- 46 Precedence call blocked
- 47 Resource unavailable – unspecified
- 49 Quality of service unavailable
- 50 Requested facility not subscribed
- 51 Reverse charging not allowed
- 52 Outgoing calls barred
- 53 Outgoing calls barred within CUG
- 54 Incoming calls barred
- 55 Incoming calls barred within CUG
- 56 Call waiting not subscribed
- 57 Bearer capability not authorized
- 58 Bearer capability not presently available
- 63 Service or option not available, unspecified
- 65 Bearer service not implemented
- 66 Channel type not implemented
- 67 Transit network selection not implemented
- 68 Message not implemented
- 69 Requested facility not implemented
- 70 Only restricted digital information bearer capability is available
- 79 Service or option not implemented, unspecified
- 81 Invalid call reference value
- 82 Identified channel does not exist
- 83 A suspended call exists, but this call identity does not
- 84 Call identity in use
- 85 No call suspended
- 86 Call having the requested call identity has been cleared
- 87 Called user not member of CUG
- 88 Incompatible destination
- 89 Non-existent abbreviated address entry
- 90 Destination address missing, and direct call not subscribed
- 91 Invalid transit network selection (national use)
- 92 Invalid facility parameter
- 93 Mandatory information element is missing
- 95 Invalid message, unspecified
- 96 Mandatory information element is missing
- 97 Message type non-existent or not implemented
- 98 Message not compatible with call state or message type non-existent or not implemented
- 99 information element nonexistent or not implemented
- 100Invalid information element contents
- 101Message not compatible with call state
- 102Recovery on timer expiry
- 103parameter non-existent or not implemented – passed on
- 111Protocol error unspecified
- 127Internetworking, unspecified
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