Call logs:


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Your Call Info should be displayed like


Date
When you done your campaign
From Number
Your campaign from which number
To Number
Your campaign done to which number
Start Time    
When you started your campaign
End Time
When your campaign was done
Seconds  
How many seconds your campaign taken
Minutes  
How many minutes your campaign taken to complete
Call Response
Call response like your customer answered or not
DTMF  
DTMF (dual tone multi frequency) is the signal to the phone company that you generate when you press an ordinary telephone's touch keys.
Recording 
Your call should be recorder, you can able to hear your call recordings
Action
What are the action you need to do for your customer like SMS, Call