| 摘要 |
A method for calculating AD(ADvertisement) cost is provided to calculate the AD cost according to a call frequency of an AD cost calculation phone number in case that a customer calls to the AD cost calculation phone number by distributing AD matter including the AD cost calculation phone number to the customers. When an AD order is received, a real phone number received from a client is stored by matching with the AD cost calculation phone number(S15). In the case that the call is received from an exchange, the AD cost calculation phone number included in the call is checked(S23). The real phone number matched with the AD cost calculation phone number is searched and transferred to the exchange(S25). A call counter for the AD cost calculation phone number is increased and stored(S27). The AD cost is calculated according to the call frequency by inquiring the call counter(S31). |
