Dongsu Seong Books

VoIP Handbook: Applications, Technologies, Reliability, And Security

By Mohammad Ilyas, Yang Yang, Xinbing Wang, Qinqing Zhang, Syed Ahson, Syed A. Ahson, Minseok OH, Dongsu Seong, Qi Bi, Garcia Alcaraz Pedro, Raymundo Buenrostro, Keonable Lee

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The number of worldwide VoIP customers is well over 38 million. Thanks to the popularity of inexpensive, high-quality services, it's projected to increase to nearly 250 million within the next thre...

VoIP Handbook

By Yang Yang, Xinbing Wang, Qinqing Zhang, Mohammad Ilyas, Syed A. Ahson, Minseok OH, Dongsu Seong, Qi Bi, Garcia Alcaraz Pedro, Raymundo Buenrostro, Keonable Lee

Average: 0.00, 0 Ratings

VoIP Handbook

By Yang Yang, Xinbing Wang, Qinqing Zhang, Mohammad Ilyas, Syed Ahson, Syed A. Ahson, Minseok OH, Dongsu Seong, Qi Bi, Garcia Alcaraz Pedro, Raymundo Buenrostro, Keonable Lee

Average: 0.00, 0 Ratings

VoIP Handbook: Applications, Technologies, Reliability, And Security

By Yang Yang, Xinbing Wang, Qinqing Zhang, Mohammad Ilyas, Syed Ahson, Syed A. Ahson, Syed A. Ahson; Mohammad Ilyas, Minseok OH, Dongsu Seong, Qi Bi, Garcia Alcaraz Pedro, Raymundo Buenrostro, Keonable Lee

Average: 0.00, 0 Ratings

VoIP Handbook : Applications, Technologies, Reliability, And Security

By Mohammad Ilyas, Yang Yang, Xinbing Wang, Qinqing Zhang, Syed A. Ahson, Minseok OH, Dongsu Seong, Qi Bi, Garcia Alcaraz Pedro, Raymundo Buenrostro, Keonable Lee

Average: 0.00, 0 Ratings

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.