Implementing telephony-specific status registration for the app | 实现APP对telephony相关状态的注册
Establishing communication with RIL Adapter | 电话基础服务模块主要功能实现与RIL Adapter进行通信
负责建立蜂窝数据连接
Implementing basic call services over carrier networks | 负责运营商网络的基础通话实现
Establishing communication with RIL Adapter | 电话基础服务模块主要功能实现与RIL Adapter进行通信
Cellular communication modem interface adaptation layer for implementing communication with the modem | 蜂窝通信modem接口适配层，负责与modem通信
Provides telephony persistent data storage and DataAbility access interfaces | 负责telephony持久化数据存储，提供DataAbility访问接口
Implementing basic call services over carrier networks | 负责运营商网络的基础通话实现
Implementing telephony-specific status registration for the app | 实现APP对telephony相关状态的注册
