Calling Card
A calling card resembles a credit card used to pay for telephone services. Such a calling card can be employed on a prepaid credit basis or like a credit card. Most common calling cards involve prepaid credit from the point the calling card is purchased with a standard rate of minutes available for the user to call. The minutes is then deducted based on the usage rate of the calling card. These cards are mostly disposable and can be repurchased online or at any supplying store. The other main type of calling card requires a PIN number printed on it so that calls can be charged to a land-line telephone account.
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