Definitions for "Billing Increment"
Keywords:  increment, minute, idt, duration, round
A call measurement unit, expressed in seconds. Calls that involve a fraction of a billing increment are rounded up.
These are the increments at which customers are billed by. Usually carriers bill by one minute increments.
The increments of time in which the phone company (long distance or local) bills. Some services are measured and billed in one minute increments, while others are billed in six or ten second increments.