USSD service system adopts connection-oriented conversational mode, which is an ideal carrier for conversational services.
USSD系统采用面向连接的交互式会话方式，是会话类业务的理想载体。
USSD service system adopts connection-oriented conversational mode, which is an ideal carrier for conversational services.
USSD系统采用面向连接的交互式会话方式，是会话类业务的理想载体。
应用推荐