6/6 billing means that calls are charged at 6 second intervals, rather than the traditional 1 minute rate. If billing is 6/6 rate, that means your minimum billing for any answered call is 6 seconds and your subsequent billing time is 6 seconds. e.g., 5 second call would be charged the minimum 6 seconds. For calls over the 6 second minimum, you’ll be charged in 6 second increments. e.g., if your call is 8 seconds, you’ll be charged for 12 seconds. Continue reading 6/6 billing explanation