Personal assistant card, based on OTA card, is specially designed for user personal address list, SMS and menu management. It enables phonebook management, SMS management and disaster recovery etc.

• 无忧卡是在OTA卡基础上的一项具体应用，它是实现用户个人通讯录、短信和菜单管理的一款新业务，具有电话簿管理、短信管理和灾难恢复等业务功能。