Voice services include provision of mobile voice communications.
语音服务包括移动语音通信的规定。
A voice or data communications channel currently in use.
目前使用的话音或数据通信信道。
These protocols support high bit rate voice and limited data communications.
这些协议支持高比特率语音和有限的数据通信功能。
The character of cellphone is communications in time including voice message and data message.
手机的特点及优势就是在于及时通信，除语音外，数据的及时通信也是其特点及优势。
The character of cellphone is communications in time including voice message and data message.
手机的特点及优势就是在于及时通信，除语音外，数据的及时通信也是其特点及优势。
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