Field Tech 6 Questions and Answers Already Passed

Field Tech 6 Questions and Answers Already Passed Which piece of equipment in the VoIP phone system routes a call to the public switched telephone network (PTSN) when the receiving location is from outside the PacketCable managed IP network? Gateway What are the three sub-network interfaces managed by PacketCable? Hybrid fiber/coax (HFC), managed IP, and public switched telephone network (PSTN). Why is PacketCable VoIP a more efficient way of handling calls? Most cable operators have built their own IP telephone networks that use Internet Protocol rules. 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. 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?