(According to calculations, the shipment of WiFi mobile phone terminals is growing rapidly, and it is estimated that by 2010, it will exceed 130 million units. With the gradual maturity of WiFi terminals, WiFi voice is becoming a focus of operators and large enterprises. Recently, the Ministry of Industry and Information Technology officially allowed Wi-Fi mobile phones that support WAPI functions to access the Internet, and some well-known brands such as MOTOA3100 Wi-Fi mobile phones have been officially launched.)