Question: 7. ___ is a device that includes a VoIP calls server and /or gateway controller. A. Media Gateway B. Softswitch C. Session Initiation Protocol (SIP)

7. ___ is a device that includes a VoIP calls server and /or gateway controller.
A. Media Gateway
B. Softswitch
C. Session Initiation Protocol (SIP) Proxy
D. Session Border Controller
8. What is the call blocking probability if 350 calls are completeted in 360 call attemps?
A. 8.2%
B. 2.8%
C. 3.5%
D. 5.1%

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