Traffic Configuration Changes

This example shows how changes to traffic configuration in plan edit wizard affect end user charges for traffic consumption:

Plan and account settings:
Free: 2GB
Traffic Limit: 4GB
Recurrent: $3
Extra (usage): $5
Billing period: 2 months

At the beginning of the traffic month the user is accrued recurrent fee for 2GB over free (= 4GB traffic limit - 2GB free).
Recurrent fee accrual makes $6 (= 2GB over free x $3 recurrent price).
In the middle of the first traffic month traffic configuration is changed from the plan edit wizard:


Increasing Prices		Decreasing Prices
Free	2GB -> 5GB	Free	2GB -> 1GB
Monthly (recurrent)	$3 -> $4	Monthly (recurrent)	$3 -> $1
Extra (usage)	$5 -> $6	Extra (overlimit)	$5 -> $2
By the end of the traffic month the customer runs up 8GB.
Traffic limit remains 4GB. Recurrent fee isn't recalculated. No refunds. Usage calculations are based on new Free as they cover traffic limit and new Extra price: 8GB run up - free 5GB = 3GB overlimit 3GB x Extra $6 = $18 usage fee.		Traffic limit remains 4GB. Recurrent fee isn't recalculated. Usage calculations are based on traffic limit and new Extra price: 8GB run up - 4GB of traffic limit = 4GB overlimit 4GB overlimit x Extra $2 = $8 usage fee.
The traffic month is closed. User traffic is reset. A new traffic month is open.
Traffic limit remains 4GB. User isn't accrued any recurrent fee as now his 4GB of traffic limit are covered with free 5GB. If by the end of the traffic month user exceeds his free units, he is charged for excess at new Extra price.		Traffic limit remains 4GB. User is accrued $3 recurrent fee: 4GB of traffic limit - free 1GB = 3GB; 3GB x $1 recurrent = $3. If by the end of the traffic month user exceeds his 4GB traffic limit, he is charged for excess at new Extra price.

Tip:

when decreasing plan's free traffic, use mass mail feature available at the bottom of the search result page to let your customers know they will be charged recurrent fee unless they decrease their traffic limit to new free.
when increasing plan's free traffic, use mass mail to let your customers know they can increase their traffic limit to new free without being charged.