Appendix O    Cause Code   
N-1 
Appendix O Cause Code 
  Cause code indicates cause of disconnection of the communication. 
O.1 Cause Code for CS communication (TEL, FAX)   
--These Cause codes are quoted from 3GPP TS24.008 Annex H  and Annex  G   
Normal class 
 
Resource unavailable class 
0022  No circuit/channel available  002B  Access information discarded 
0026  Network out of order  002C  Requested circuit/channel not available 
0029  Temporary failure  002F  Resource unavailable, unspecified 
002A  Switching equipment congestion     
 
Service or option not implemented class 
0031  Quality of service unavailable  0041 
ACM (Accumulated Call Meter)  equal to or 
greater than ACMmax 
0032  Requested facility not subscribed  0044  Bearer service not implemented 
0037 
Incoming calls barred within the CUG 
(Closed User Group) 
0045  Request facility not implemented 
0039  Bearer capability not authorized  0046 
Only restricted digital information bearer 
capability is available 
003A  Bearer capability not presently available  004F  Service or option not implemented, unspecified 
003F 
Service or option not available, 
unspecified 
   
 
Invalid message (e.g., parameter out of range) class 
0051  Invalid transaction identifier value  005B  Invalid transit network selection 
0057 
User not member of CUG(Closed User 
Group) 
005F  Semantically incorrect message 
0058  Incompatible destination 
No. (HEX)  Reason  No. (HEX)  Reason 
0001  Unassigned (unallocated) number  0016  Number changed 
0003  No route to destination  0019  Pre-emption 
0006  Channel unacceptable  001A  Non-selected user clearing 
0008  Operator determined barring  001B  Destination out of order 
0010  Normal call clearing  001C  Invalid number format (incomplete number) 
0011  User busy  001D  Facility rejected 
0012  No user responding  001E  Response to STATUS ENQUIRY 
0013  User alerting, no answer  001F  Normal, unspecified 
0015  Call rejected