04.083GPPMobile radio interface Layer 3 specificationRelease 1998TS
Cause value = 32 Service option not supported
This cause is sent when the MS requests a service/facility in the CM SERVICE REQUEST message which is not supported by the PLMN.
Cause value = 33 Requested service option not subscribed
This cause is sent when the MS requests a service option for which it has no subscription.
Cause value = 34 Service option temporarily out of order
This cause is sent when the MSC cannot service the request because of temporary outage of one or more functions required for supporting the service.
Cause value = 38 Call cannot be identified
This cause is sent when the network cannot identify the call associated with a call re-establishment request.