Users interested in fax over IP can either purchase and install hardware and software on their own systems or outsource the capability to an IP faxing service bureau.是什么意思_Users interested in fax over IP can either purchase and install hardware and software on their own systems or outsource the capability to an IP faxing service bureau.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句