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Data processing
containing
话
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all forms
Chinese
English
公共电
话
交换网
简写为PSTN
public switched telephone network
PSTN
公共电
话
交换网
简写为PSTN
public switched network
"关于…" 的对话区
about box
"关于…" 的对话窗
口
about box
对
话
框
dialogue box
对
话
框
dialog box
数字电
话
交换机
简写为PABX
private automatic branch exchange
数字电
话
交换机
简写为PABX
digital telephone exchange
IP电
话
voice over IP
IP电
话
IP telephony
IP电
话
voice over Internet Protocol
直接拨号电
话
开关网络
direct dial telephone switching network
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