December 2005
Beginner
336 pages
5h 28m
English
Content preview from Voice over IP First-Step
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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.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.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.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.
Chapter 4. Meet the “Brain” of the Voice over IP Network
What You Will Learn
After reading this chapter, you should be able to
✓ | Explain how Cisco CallManager can replace existing PBX functions. |
✓ | Describe options for grouping Cisco CallManagers together in “clusters.” |
✓ | List various features available on Cisco IP Phones. |
✓ | Identify features to secure an IP telephony network. |
✓ | Describe how Cisco CallManager supports video calls. |
✓ | Explain how Cisco CallManager secures voice transmissions. |
✓ | Discuss how Cisco CallManager Express and Cisco Unity Express provide call processing, voice mail, and auto attendant features for smaller environments. |
Do you remember the scene from 2001: A Space Odyssey where Dave Bowman is attempting to deactivate the HAL 9000 computer? ...
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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.
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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.