name: CCBS
full_form: Completion of Calls to Busy Subscriber
context: The Completion of Communication to Busy Subscriber (CCBS) service enables user A, encountering a busy destination B, to have the communication completed without the user having to manually initiate a new communication attempt when the destination B becomes not busy. When user A requests the CCBS supplementary service, the network monitors for destination B becoming free again. When destination B becomes free again, the network waits a short time in order to allow the resources to be re-used for originating a communication. If the resources are not re-used by destination B within this time, the network automatically recalls user A. When user A accepts the CCBS recall, the network automatically generates a CCBS call to destination B.
description: Completion of Calls to Busy Subscriber (CCBS) is a telecommunication service that enables users to have their calls completed without manual re-initiation when the destination becomes available.
explanation: The text describes CCBS as a service that automatically completes calls when the recipient becomes available, aligning with the definition of a telecommunications service.
section_title: 0.12CCBS charging
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