PURCHASE SERVICE PROCESSING METHOD, SYSTEM AND GATEWAY DEVICE

摘要

A purchase service processing method for realizing a connection establishment that a terminal purchases a service via a network is provided. The terminal is a wireless terminal or a fixed wired network terminal. The method includes the following steps: receiving a purchase service request from the terminal; judging whether the terminal's purchase request is valid or not according to the purchase service request; if the purchase service request is valid, transmitting the purchase service request; and converting a purchase protocol according to the terminal's purchase service request. Meanwhile, a purchase service processing system and a network gateway device are provided.