August 1999
Intermediate to advanced
328 pages
8h 50m
English
Content preview from Voice Over IP
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PRIVATE VoIP NETWORKS
There is a better way. It incorporates the attractive features of the IP platform with those of the PBX. The five configurations just described use the public Internet and/or the public telco to convey the voice signals between the two users. Another configuration, shown in Figure 1-4, uses a private intranet and/or leased lines instead of the Internet. This configuration also includes the PBX and key sets.
It is this configuration that can offer substantial cost benefits to the IP telephony user. First, the long-distance toll network is avoided. Second, the integration of voice and data can occur with servers and routers for bandwidth consolidation. Third, the use of these components obviates the installation of potentially ...
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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.