Calling party pays

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Calling party pays (CPP) is a payment model in telephony, especially in cellular markets, that states that the total cost of a call is borne by the caller and not the receiver. It is also known as "Calling party network pays" or CPNP.

Traditionally, two more models have existed:

The receiving party pays (RPP) model, in which the caller pays for making the call and the receiver pays for receiving it.

Bill and keep model.