• Discover what the cloud is, tear through the marketing jargon, and go right to the...

This bestselling book is now the standard guide to building phone systems with Asterisk, the open source IP PBX that has traditional telephony providers running scared! Revised for the 1.4 release of the software, the new edition of Asterisk: The Future of Telephony reveals how you can save money on equipment and support, and finally...

As computers and computer networks continue to grow larger and more complex, system administrators continue to face new challenges. Not all that long ago, system administration was limited to managing a...

Quality of service (QoS) is the set of techniques designed to manage network resources. QoS refers to the capability of a network to provide better service to selected network traffic over various LAN and WAN technologies. The primary goal of QoS is to provide flow priority, including dedicated bandwidth, controlled jitter and...

• Develop Java EE 7 applications using the WildFly platform
• Discover how to use EJB 3.x, JSF 2.x, Ajax, JAX-RS, JAX-WS, and Spring with WildFly 8.1
• A...

If you've heard about Skype--and who hasn't with all the recent media attention devoted to internet telephone services--chances are you've been mighty tempted to try it out. Skype Hacks tells you what all the Skype hype is about, explains the basics, and shows you more than 100 clever tips and...

Mahara is a user-centred environment with a permissions framework that enables different views of an e-portfolio to be easily managed. These views helps you display your artefacts - text files, spreadsheets, images, and videos - in a way you choose and to the people you want. You can also create online communities and social networks through...