The last great telecommunications revolution brought us fiber optics, mobile phones, videoconferencing, and a host of other innovations that improved life and business and connected individuals in ways never imagined. Now emerging technologies such as Voice over Internet Protocol...

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,...

Communication between people has changed with the invention of the telephone. The ability to communicate across continents in real-time has also helped our society in several dimensions including entertainment, trade, finance, and defense. But this new capability did not come without an investment. Building an international telephony...

Is hacking something left up to the bad guys? Certainly not! Hacking For Dummies, 5^th Edition is a fully updated resource that guides you in hacking your system to better protect your network against malicious attacks. This...

It's bad enough when a hack occurs-stealing identities, bank accounts, and personal information. But when the hack could have been prevented by taking basic security measures-like the ones described in this book-somehow that...

Now that you've got a wireless network going, you're getting the urge to see what else it can do, right? Hook up with this book and find simple, fun ways to expand its possibilities. Add your home...

The best way to stay safe online is to stop hackers before they attack - first, by understanding their thinking and second, by ethically hacking your own site to measure the effectiveness of your security. This practical, top-selling guide will help you do both. Fully...

“Our new reality is zero-day, APT, and state-sponsored attacks. Today, more than ever, security professionals need to get into the hacker’s mind, methods, and toolbox to successfully deter such relentless assaults. This edition brings readers abreast with the...

If you're one of the last holdouts still connected to the Internet by a wire, The Book of...