User manual

38
18 No user responding
19 User alerting, no answer
21 Call rejected
22 Number changed
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
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 Resources unavailable, unspecified
49 Quality of service unavailable
50 Requested facility not subscribed
55 Incoming calls barred with in the CUG
57 Bearer capability not authorised
58 Bearer capability not presently available
63 Service or option not available, unspecified
65 Bearer service not implemented
68 ACM equal to 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
81 Invalid transaction identifier value
87 User not member of CUG
88 Incompatible destination
91 Invalid transit network selection
95 Semantically incorrect message
96 Invalid mandatory information
97 Message type non-existent or not implemented
98 Message type not compatible with protocol state
99 Information element non-existent or not implemented
100 Conditional IE error
101 Message not compatible with protocol state
102 Recovery on expired timer
111 Protocol error, unspecified
127 Interworking, unspecified
252 Call barring on outgoing calls
253 Call barring on incoming calls
254 Call impossible
255 Lower layer failure
All other values in the range 0 to 31 shall be treated as cause 31.
All other values in the range 32 to 47 shall be treated as cause 47.
All other values in the range 48 to 63 shall be treated as cause 63.
All other values in the range 64 to 79 shall be treated as cause 79.
All other values in the range 80 to 95 shall be treated as cause 95.
All other values in the range 96 to 111 shall be treated as cause 111.
All other values in the range 112 to 127 shall be treated as cause 127.