Managing all types of call connections | 管理各种类型的通话连接
Managing all types of call connections | 管理各种类型的通话连接
Providing SMS and MMS functions | 负责短彩信相关功能
Implementing basic call services over carrier networks | 负责运营商网络的基础通话实现
Managing all types of call connections | 管理各种类型的通话连接
Managing all types of call connections | 管理各种类型的通话连接
Implementing basic call services over carrier networks | 负责运营商网络的基础通话实现
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
