主叫识别的英文

• calling line identification

• 主:    host
• 识别:    discriminate; distinguish; d ...
• 主叫识别显示:    calling line identification presentation
• 主叫识别限制:    calling line identification restriction
• 主叫识别业务:    caller identification service

例句与用法

1. Today ' s familiar telephony features - - such as caller id , call waiting and 800 / 888 numbers - - are intelligent value - added services made possible by a protocol called signaling system 7 ( ss7 )
   今天人们熟悉的电话功能，如主叫识别、呼叫等待、 800 / 888业务等，都是由于有了七号信令系统协议而实现的智能增值业务。