Credit Limit: - The Credit limit of the customer is at account level. If the customer’s credit limit is reached, subscriber will be barred. In the case of family postpaid customer, there are multiple subscribers and if the credit limit is reached all the subscribers will be barred as there is only one account. The action is based on the dunning policy. Here one subscriber can also use the total credit limit and if the credit limit is reached, all the subscribers will be barred