Authorized Self-Study Guide Cisco Voice over IP (CVoice)

Prepaid Calling Card

Prepaid and postpaid calling-card services represent one of the fastest-growing types of enhanced voice services. A variety of consumer segments have propelled the growth of these services, including students, business and leisure travelers, and immigrants. They are especially popular among mobile telephone users as an alternative to the costly international rates of mobile operators. For carriers who want to realize more profit from a global long-distance network, prepaid and postpaid calling-card services represent an opportunity to improve margins, direct minutes to the network, and increase customer retention. For service providers that currently offer prepaid and postpaid calling-card services over a switched-circuit ...