Providing SMS and MMS functions | 负责短彩信相关功能
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
Managing all types of call connections | 管理各种类型的通话连接
该仓库托管OpenHarmony社区开发的，而非某个厂商单独开发的典型产品样例代码，主要 包括类似QEMU(Quick Emulator)的图形、软总线等特性产品的开发。
