The Director of information Security of your company wants to log all calls when a user’s phone speed dials to a busy PSTN destinations and hangs up in less than one second in Call Detail Records. Which option is the minimum Cisco Unified CM Service Parameter configuration that is needed to ensure compliance to this policy?
A. Set CDR Enabled Flag to True and set Call Diagnostics Enabled to Enable Only When CDR Enabled Flag is True.
B. Set CDR Enabled Flag to True and set Call Diagnostics Enabled to Enable Regardless of CDR Enabled Flag.
C. Set CDR Log Calls with Zero Duration Flag to True.
D. Set CDR Enabled Flag to True.
E. Set CDR Enabled Flag and CDR Log Calls with Zero Duration Flag to True.
CDR Log Calls with Zero Duration Flag –
This parameter enables or disables the logging of call detail records (CDRs) for calls that never connected or that lasted less than 1 second. Cisco CallManager logs unsuccessful calls (calls that result in reorder, such as might occur due to a forwarding directive failure or calls that attempt to go through a busy trunk) regardless of this flag setting.
Correct answer is D.
CDR always logs calls to busy/out of order destinations, regardless of the duration.
Answer should be E. CDR does not, by default, record Zero duration calls with normal hang up.
Answer is D. Calls to Busy or Out of Service numbers are always logged when CDR is enabled. Calls with Zero duration flag should also be set when you want to capture calls to working numbers that last less than 1 second.
The answer should be D
This parameter enables or disables the logging of call detail records (CDRs) for calls that never connected or that lasted less than 1 second. Cisco CallManager logs unsuccessful calls (calls that result in reorder, such as might occur due to a forwarding directive failure or calls that attempt to go through a busy trunk) regardless of this flag setting.
According to this description Set CDR Enabled to True should be enough to log the busy trunk call
Not sure why the answer is C and not E.
The CDR Log Calls with Zero Duration Flag service parameter is valid only when the CDR Enabled Flag service parameter is set to True. If CDR generation is disabled, the setting of the CDR Log Calls with Zero Duration Flag service parameter has no significance.
The answer should be E.
Does anyone has an explanation?