Which Cisco Unified CM service is responsible for writing Call Detail Records into flat files?
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A. B. C. D. E.A.
The correct answer is option C: Cisco CDR Repository Manager.
Call Detail Records (CDRs) contain information about each call made or received by Cisco Unified Communications Manager (Unified CM) endpoints. This information includes call start time, call duration, calling and called numbers, and more. The CDRs are used for billing, accounting, and troubleshooting purposes.
Cisco Unified CM provides several services that are responsible for managing CDRs. The following is a brief description of each service and its role in the CDR process:
A. Cisco CallManager: This service is responsible for call processing and signaling. It maintains call state information and routes calls between endpoints. However, it does not handle CDRs directly.
B. Cisco CDR Agent: This service runs on each Unified CM node and is responsible for collecting CDR data from the CallManager service. It formats the data and sends it to the CDR Repository Manager service.
C. Cisco CDR Repository Manager: This service receives CDR data from the CDR Agent service and writes it to flat files on disk. The files can be stored locally or remotely, depending on the configuration. The service also provides a web interface for searching and viewing CDR data.
D. Cisco SOAP - CallRecord Service: This service provides a SOAP interface for retrieving CDR data in real-time. It is used by third-party applications that need to access CDR data programmatically.
E. Cisco Extended Functions: This service provides additional call processing functionality, such as call queuing, conferencing, and call recording. However, it does not handle CDRs directly.
In conclusion, the correct answer to the question is option C: Cisco CDR Repository Manager. This service is responsible for writing CDRs into flat files on disk, which can then be used for billing, accounting, and troubleshooting purposes.