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86 | Section 6
Cause No. 53 – Service operation violated
is cause indicates that the user has violated the service operation.
Cause No. 54 – Incoming calls barred
e user will not accept the call delivered in the SETUP message.
Cause No. 55 – Incoming calls barred within CUG at destination
is cause indicates that incoming calls are not permitted to members if this Closed User
Group
Cause No. 57 – Bearer capability (Data/voice) not authorized.
is 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. is is a common
problem caused by wrong Telco provisioning of the line at the time of installation.
Cause No. 58 – Bearer capability not presently available
is caused indicates the users has requested a bearer capability which has been implemented by
the equipment, but is not available at this time.
CLASS 1.4 (service or option not implemented)
Cause No. 62 – Inconsistency in designated outgoing address information/Service Not
Authorized [VN4]
is cause indicates an inconsistency in designated outgoing address information and subscriber
class.
or
is cause indicates that a Terminal Diversion in a VN4 network has been rejected.
Cause No. 63 – Service or option not available, unspecified
is cause is used to report a service or option not available, only when no other cause in this
class applies.
Cause No. 65 - Bearer Capability not implemented (Incompatible bearcap)
is cause indicates that the equipment sending this cause does not support the bearer capabil-
ity requested.
Cause No. 66 – Channel type not implemented
is cause is returned when the called party has reached a channel type not supported.
Cause No. 69 – Requested facility not implemented
is cause indicates that the network (or node) does not support the requested bearer capability
and therefore cannot be accessed at this time.
Cause No. 70 - Restricted only
is 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. 79 – Service or option not implemented, unspecified
is cause is used to report a service or option not implemented event only when no other cause
in this class applies.