Average Revenue Per User (ARPU) - Total revenue divided by the number of subscribers.
Churn Rate - Percentage of customers that discontinue their subscription to a service in a given period.
EBITDA - Net income with interest, taxes, depreciation, and amortization added back
Average Wait Time (AWT) - Time customer waits before they are answered by Customer service representative
Call Drop Rate - Percentage of calls which, due to technical reasons, were disconnected before either part terminated the call.
Time to repair (TTR) - Average time required to repair
Revenue Per Employee -
Minutes of Usage - The total time, measured in minutes, that a customer uses their phone during a specified period
First-Call Resolution (FCR) - Resolving customer's need the first time they call, eliminating the need for the customer to call back.
Payback Period - The length of time required to recover the cost of an investment.



