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9-22 TROUBLESHOOTING
Cause No. 47 - Resource unavailable
This cause is used to report a resource unavailable event only when no other cause in the
resource unavailable class applies.
Cause No. 50 - Requested facility not subscribed
This cause is used to report that the cannot use this feature because s/he has not sub-
scribed to it.
Cause No. 51 - Bearer capability incompatible with service request
This cause indicates a user request for action was rejected because the action was incom-
patible with the capability of the call.
Cause No. 53 - Service operation violated
This cause indicates the caller has violated the service operation
Cause No. 57 - Data/voice not auth./Bearer capability not authorized
This cause indicates that the user has requested a bearer capability which is implemented
by the equipment which generated this cause but the user is not authorized to use it. This
is a common problem caused by wrong Telco provisioning of the line at the time of in-
stallation.
Cause No. 65 - Incompatible bearcap
This cause indicates that the equipment sending this cause does not support the bearer
capability requested.
Cause No. 69 - Request facility not implemented
This cause indicates that the network (or node) does not support the request bearer capa-
bility
Cause No. 70 - Restricted only
This cause indicates that the calling party has requested an unrestricted bearer service but
the equipment sending this cause only supports the restricted version of the requested
bearer capability.
Cause No. 81 - Invalid call reference value
This cause indicates the equipment sending this cause received a message with a call ref-
erence that is not in use on the user interface.
Cause No. 88 - Incompatible dest.
This cause indicates that the equipment sending this cause has received a request to es-
tablish a call which has low layer compatibility, high layer compatibility or other com-
patibility attributes (e.g. data rate, DN subaddress) which cannot be accommodated.
Cause No. 96 - Info missing
This cause indicates that the equipment sending this cause has received a message which
is missing an information element which must be present in the message before that
message can be processed.