telephony switch / 电话交换 Terminal Services / 终端服务 ..
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Public Switch Telephony Network 公共交换电话网
IP Telephony Software Switch ip电话软件交换
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Call center is a complicated information system, which integrates CTI (Computer Telephony Integration) techniques, Program Controlled Switch technologies, and Network technologies.
呼叫中心是一个集计算机语音集成技术、程控交换技术、计算机网络技术于一体的综合信息系统。
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The number of fixed lines in America has been declining as consumers switch to mobile telephony.
ECONOMIST: Taking the battle online | The
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