Most large enterprises have switched to IP telephony, and service provider backbone networks have largely converted to VoIP transport. But there’s a...

This book covers the fundamental concepts in signal processing illustrated with Python code and made available via IPython Notebooks, which are live, interactive, browser-based documents that allow one to change parameters, redraw plots, and tinker with the ideas presented in the text. Everything in the text is computable in this format and...

Cisco LAN Switching Configuration Handbook, Second Edition, is a quick and portable reference guide to the most commonly used features that can be configured on Cisco® Catalyst® switches. Written to be used across all Catalyst IOS platforms, the book covers general use of Cisco IOS®, followed by a series...

• Build real-world web applications using the Laravel 4 framework
• Learn how to configure, optimize and deploy Laravel 4 applications
• Packed with illustrations along with lots of...

Creating a good presentation is much more than just clicking a few dialog boxes and typing some text. It requires knowledge and planning-lots of it. With the PowerPoint 2007 Bible you will not only be able to build a presentation with PowerPoint, but you’ll also be able to explain why you made the choices you did, and you’ll...

Beginning with an overview of functions of multiple variables and their...

A systematic approach to understanding the basics of Voice over IP

* Understand the basics of PSTN services and IP signaling protocols, including SS7
* Learn how VoIP can run the same applications as the existing telephony system, but in a more cost-efficient and scalable manner
* Delve into such VoIP topics as jitter,...

• Assessment testing to focus and direct your studies
• In-depth coverage of all exam objectives
• Hundreds of challenging practice questions, in...