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Which IP telephony component provides call processing, such as signaling, that in a traditional voice network is provided by switching equipment, such as a PBX?()

单选题
2022-03-07 16:11
A、Advanced call-handling software, such as Cisco Unity
B、Call-management hardware and software, such as CiscoCallManager
C、Client-based software, such as CiscoSoftPhone
D、Voice gateways, such as the Cisco VG248 Analog Phone Gateway
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正确答案
B

试题解析

标签: CSE(646-205)
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