Subscriber A can perform the following operations:
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deactivate all outstanding CCBS requests;
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deactivate a specific CCBS request.
Subscriber A can perform an interrogation of the CCBS service, with the three possible outcomes:
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the CCBS service is not provisioned for the subscriber;
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the CCBS service is provisioned for the subscriber, but the queue of requests is empty;
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the CCBS service is provisioned for the subscriber and there are requests in the queue.
MS A shall send a REGISTER message, with the Facility information element, indicating InterrogateSS. SS Version Indicator value 2 or above has to be used. Depending on the outcome of the interrogation, the network shall return:
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SS-status set to not provisioned when the CCBS service is not provisioned (Figure 4.5.1);
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SS status set to provisioned when the CCBS service is provisioned, but there are no outstanding requests (Figure 4.5.2);
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SS-status set to provisioned and the list of outstanding CCBS requests in the queue (Figure 4.5.3).
For each request in the queue, the following data shall be returned:
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CCBS index;
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Address of B;
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Sub-Address of B (optional);
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Basic Service Code.