Digicom pocket GSM User Manual page 60

PocketGSM
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 timer expiry
111 Protocol error, unspecified
127 Interworking, unspecified
240 FDN is active and number is not in FDN
241 Call operation not allowed
252 Call barring on outgoing calls
253 Call barring on incoming calls
254 Call impossible
255 Lower layer failure
Note: 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
A.2
Appendix A