ISDN Events

B-5

provided, for example, throughput or transit delay cannot be supported.

Cause No. 50: requested facility not subscribed. The requested supplementary service could not be provided by the network because the user has not completed the necessary administrative arrangements with the user’s supporting networks.

Cause No 57: bearer capability not authorized. The user has requested a bearer capability implemented by the equipment which generated this cause but the user is not authorized to use the capability.

Cause No. 58: bearer capability not presently available. The user has requested a bearer capability implemented by the equipment which generated this cause but the capability is not available at this time.

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.

Cause No. 65: bearer capability not implemented. The equipment sending this cause does not support the bearer capability requested.

Cause No. 66: channel type not implemented. The equipment sending this cause does not support the channel type requested.

Cause No. 69: requested facility not implemented. The equipment sending this cause does not support the requested supplementary service.

Cause No. 70: only restricted digital information bearer capability

is available. A device has requested an unrestricted bearer service but the device sending this cause only supports the restricted version of the requested bearer capability.

Cause No. 79: service or option not implemented, unspecified.

This cause is used to report a service- or option-not-implemented event only when no other cause in the service- or option-not-implemented class applies.

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Farallon Communications 612, 412 manual Isdn Events