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Number
Description
25
Pre-emption
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
Resource unavailable class
34
No circuit/channel available
38
Network out of order
41
Temporary failure
42
Switching equipment congestion
43
Access information discarded
44
Requested circuit/channel not available
47
Resource unavailable, unspecified
Service or option not available class
49
Quality of service unavailable
50
Requested facility not subscribed
55
Incoming calls barred within the CUG
57
Bearer capability not authorized
58
Bearer capability not presently available
63
Service or option not available, unspecified
Service or option not implemented
65
Bearer service not implemented
68
ACM equal or greater than ACMmax
69
Requested facility not implemented
70
Only restricted digital information bearer capability is available
79
service or option not implemented, unspecified
Invalid message (e.g. parameter out of range) class
81
Invalid transaction identifier value
87
User not member of CUG
88
Incompatible destination
91
Invalid transit network selection
95
Semantically incorrect message
Protocol error (e.g. unknown message) class
96
Invalid mandatory information
97
Message type non-existant or not implemented
98
Message type not comaptible with protocol state
99
Information element non-existent or not implemented
100
Conditional information element error
101
Message not compatible with protocol
102
Recovery on timer expiry
MC55_ATC_V04.00
Confidential / Released
Page 76 of 475
3/17/06
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