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[電腦] IP telephony

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大宅

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發表於 04-4-30 16:59 |顯示全部帖子

IP telephony

Anyone using IP telephony in office?
What is the different between traditional telephone system?


大宅

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發表於 04-4-30 18:01 |顯示全部帖子

Re: IP telephony


For more details, kindly refer to the following URL

http://computer.howstuffworks.com/ip-telephony.htm

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