May 2011
Intermediate to advanced
736 pages
17h 51m
English
book
Implementing Cisco Unified Communications Voice over IP and QoS (CVOICE) Foundation Learning Guide, Fourth Edition
by Kevin Wallace
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Chapter 2. Configuring Basic Voice over IP
After reading this chapter, you should be able to perform the following tasks:
• Describe how VoIP signaling and media transmission differs from traditional voice circuits, and explain how voice is sent over IP networks, including analog-to-digital conversion, coding, packetization, and all variants of RTP.
• Describe the characteristics of H.323 and explain when to use it.
• Describe the characteristics of SIP and explain when to use it.
• Describe the characteristics of MGCP and explain when to use it.
• Discuss special requirements for VoIP call legs, including the need for QoS, fax/modem relay, and DTMF support.
• Describe how to configure dial peers to meet special requirements.
VoIP transmission ...
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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.