Markus Daehne Books

2008 Voip And Video Conferencing Professional Reference Cd

By Joshua Brashars, Thomas Porter, Markus Daehne, Johnny Long, Michael Gough, Larry Chaffin, Thomas Porter CISSP CCNP CCDA CCS

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Most IT Professionals rely on a small core of books that are targeted specifically at their job responsibilities. These dog-eared volumes are used on a daily basis and are considered essential. But...

Skype Me! From Single User To Small Enterprise And Beyond

By Michael Gough, Markus Daehne

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This Book Is Divided Into Four Parts. Part I Begins With Several Chapters On The Basics Of Skype. Here The Reader Learns How To Install And Configure Skype On Several Platforms Including Windows, M...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.