December 2005
Beginner
336 pages
5h 28m
English
Content preview from Voice over IP First-Step
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Appendix A. Answers to Chapter Review Questions
Chapter 1
What are the names of the two wires used by a traditional home phone to carry voice traffic and signaling information? (Select two.)
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Who invented the first direct-dial telephone switch?
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Which type of telephone switch is most appropriate for a business needing to support 10,000 phones?
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Identify three types of signaling used on PSTN networks.
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How many voice channels can be carried over a T1 circuit in a traditional PSTN/PBX environment?
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“Dial tone” is an example of which type of signaling?
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.