| 1 |
Unallocated (unassigned) number |
| 2 |
No route to specified transit network (national use) |
| 3 |
No route to destination |
| 4 |
Send special information tone |
| 5 |
Misdialled trunk prefix (national use) |
| 6 |
Channel unacceptable |
| 7 |
Call awarded and being delivered in an established channel |
| 8 |
Preemption |
| 9 |
Preemption - circuit reserved for reuse |
| 16 |
Normal call clearing |
| 17 |
User busy |
| 18 |
No user responding |
| 19 |
No answer from user (user alerted) |
| 20 |
Subscriber absent |
| 21 |
Call rejected |
| 21 |
Call rejected |
| 22 |
Number changed |
| 26 |
Non-selected user clearing |
| 27 |
Destination out of order |
| 28 |
Invalid number format (address incomplete) |
| 29 |
Facility rejected |
| 30 |
Response to STATUS ENQUIRY |
| 31 |
Normal, unspecified |
| 34 |
No circuit/channel available |
| 38 |
Network out of order |
| 39 |
Permanent frame mode connection out-of-service |
| 40 |
Permanent frame mode connection operational |
| 41 |
Temporary failure |
| 42 |
Switching equipment congestion |
| 43 |
Access information discarded |
| 44 |
Requested circuit/channel not available |
| 46 |
Precedence call blocked |
| 47 |
Resource unavailable, unspecified |
| 49 |
Quality of Service not available |
| 50 |
Requested facility not subscribed |
| 53 |
Outgoing calls barred within CUG |
| 55 |
Incoming calls barred within CUG |
| 57 |
Bearer capability not authorized |
| 58 |
Bearer capability not presently available |
| 62 |
Inconsistency in designated outgoing access information and subscriber
class |
| 63 |
Service or option not available, unspecified |
| 65 |
Bearer capability not implemented |
| 66 |
Channel type not implemented |
| 69 |
Requested facility not implemented |
| 70 |
Only restricted digital information bearer capability is available (national
use) |
| 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 |
User not member of CUG |
| 88 |
Incompatible destination |
| 90 |
Non-existent CUG |
| 91 |
Invalid transit network selection (national use) |
| 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/ parameter non-existent or not implemented |
| 100 |
Invalid information element contents |
| 101 |
Message not compatible with call state |
| 102 |
Recovery on timer expiry |
| 103 |
Parameter non-existent or not implemented passed on (national use) |
| 110 |
Message with unrecognized parameter discarded |
| 111 |
Protocol error, unspecified |
| 127 |
interworking, unspecified |