An administrator wants to see how long a specific IP phone extension is in use during a given
period of time. What CAR tool feature would the administrator use?
A.
System Reports > Traffic > Summary by Phone Number
B.
CDR > Search > By Call Precedence Level
C.
Device Reports > Route Patterns/Hunt Groups > Route and Line Group Utilization
D.
User Reports > Top N > By Duration
Explanation:
Only CAR administrators generate the Traffic Summary by Phone Number report.
The report provides information about the call volume for a period and set of phone numbers that
you specify.
Link: http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/service/8_6_1/car/carsytra.html