NCTI FT V TO FT VI 2023 GRADED A (VERY RESOURCEFUL)

1. Which piece of equipment in a VoIP phone system routes a call to the public switched telephone network (PSTN) when the receiving location is from outside the PacketCable managed IP network?: Network interface device (NID). 2. What are the three sub-network interfaces managed by PacketCable?: Hybrid fiber/coax (HFC), managed IP, and public switched telephone network (PSTN). 3. Which of the VoIP service tiers bypass the cable operator's direct link to the public switched telephone network (PSTN) and route packets over the Internet to another telephone company?: Tier II Secondary VoIP 4. When a call is made from a phone that is on a managed IP phone system to a phone that is outside the managed IP phone system, how does the call get routed to the receiving phone?: The gateway down-converts the digital data to an analog electrical signal format and routes the call to the public switched telephone network (PSTN). 5. Because a cable operator will support as many lines as technically possible for a business customer, what does the installer have to do prior to connecting the embedded multimedia terminal adapter (EMTA)?: Check the RF signal levels on the cable entering the building. 6. When a PBX or key system is involved in a business installation, the installer can set up the embedded multimedia terminal adapters (EMTA) and cable, but