A、Synchronizes password exchanges for call setup
B、Creates an encrypted tunnel for voice through a Transmission Control Protocol (TCP)/IP network
C、Enables two-way voice transmission over a packet-switched TCP/IP network
D、Eliminates the need for physical cabling in a TCP/IP network
更多“What is a benefit of Internet protocol (IP) telephony?（）”相关的问题
A、It provides a legal reason to cancel a projected voyage B、It allows the mariner to make long term weather forecasts C、It is of little benefit since the weather changes frequently and rapidly D、It gives the mariner time to prepare for weather changes
A、easier customer sales cycle B、increased margins C、fewer customer call backs D、available financing options
A、It maximizes the network security B、It increase the cost of the equipment C、It enables the network to work as a unified whole D、It reduces the Cost of equipment
A、It enables the network to work as a unified whole B、It maximizes the network security C、It increases the cost of the equipment D、It reduces the cost of the equipment
A、It enables the network to work as a unified whole B、It maximizes the network security C、It increases the cost of the equipment D、It reduces the cost of the equipment
A、1.Paragraph①（） B、2.Paragraph②（） C、3.Paragraph③（） D、4.Paragraph④（） E、5.Paragraph⑤（） F、A. What is the function of audio courses? H、B. What is the function of flash cards? I、C. What is the function of traditional courses? J、D. What are the most useful tools for language learning? K、E. What is the function of computer-aided courses? F. What can help you a lot with your language learning? 下列选项正确的是（）。
A、A. There is faster implementation of new business applications. B、B. Solution differentiation from the competition allows for premium margins. C、C. There is less risk through the implementation of proven solutions. D、D. Proactive planning enhances customer satisfaction.
A、Each module uses application-specific integrated circuits (ASICs). B、Each module runs in its own protected memory space. C、Each module can be individually restarted. D、Each module is supported across all Junos platforms.
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