February 2005
Intermediate to advanced
672 pages
14h 34m
English
book
Cisco IP Telephony: Planning, Design, Implementation, Operation, and Optimization
by Ramesh Kaza, Salman Asadullah
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Foreword
In October, 1998, Cisco took a step forward in its entry into IP Telephony with the acquisition of Selsius Systems, a pioneer and innovator of next generation network PBX systems for high-quality telephony over IP networks. This began the revolution of converged data, voice and video networks rendering separate voice and data networks a thing of the past. Cisco is one of the front runners in changing the way enterprises and service providers deliver converging traditional voice, data, and video applications.
The overall IP communication industry has gained significant momentum. The original Selsius Systems product family acquired by Cisco has expanded and evolved at tremendous speed. Over four million IP phones and over three million Unity ...
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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.