本建议定义了在用户网络接口上用于控制补充业务的通用程序。
This Recommendation defines the generic procedures applicable for the control of supplementary services at the user-network interface.
本建议定义了在用户网络接口上用于控制补充业务的通用程序。
This Recommendation defines the generic procedures applicable for the control of supplementary services at the user-network interface.
应用推荐