04.083GPPMobile radio interface Layer 3 specificationRelease 1998TS
H.3.1 Cause No. 49 "quality of service unavailable"
This cause indicates to the mobile station that the requested quality of service, as defined in ITU-T Recommendation X.213, cannot be provided.
H.3.2 Cause No. 50 "Requested facility not subscribed"
This cause indicates that the requested supplementary service could not be provided by the network because the user has no completed the necessary administrative arrangements with its supporting networks.
H.3.3 Cause No. 55 "Incoming calls barred within the CUG"
This cause indicates that although the called party is a member of the CUG for the incoming CUG call, incoming calls are not allowed within this CUG.
H.3.4 Cause No. 57 "bearer capability not authorized"
This cause indicates that the mobile station has requested a bearer capability which is implemented by the equipment which generated this cause but the mobile station is not authorized to use.
H.3.5 Cause No. 58 "bearer capability not presently available"
This cause indicates that the mobile station has requested a bearer capability which is implemented by the equipment which generated this cause but which is not available at this time.
H.3.6 Cause No. 63 "service or option not available, unspecified"
This cause is used to report a service or option not available event only when no other cause in the service or option not available class applies.
H.3.7 Cause No. 68 "ACM equal to or greater than ACMmax"
This cause is used by the mobile to indicate that call clearing is due to ACM being greater than or equal to ACMmax.