METHOD AND APPARATUS FOR PROVIDING OUTSIDE NETWORK SERVICE BASED ON ADVERTISEMENT VIEWING

摘要

Disclosed is a telephony service in a public place, and a method and an apparatus for an advertisement viewing based free telephony service. The method includes a process in which a telephony client requests a free call service in order to enable a specific telephony client to use the telephony service free of charge in a public place such as a subway, a process of providing an advertisement to a telephony client having requested the service, and a process of setting a telephony server in order to enable a telephony client having received an advertisement to use the service.