SIP is the most important VoIP protocol and OpenSIPS is clearly the open source leader in VoIP platforms based on pure SIP. The whole telecommunication industry is changing to an IP environment, and telephony in the way we know today will disappear in less than ten years. SIP is the protocol leading this disruptive revolution and it is one of...

This is a complete study guide including study material and practice questions to prepare for the EMC Proven Professional certification Exam E20-120. It can also serve Documentum beginners and practitioners as a handy guide and quick reference to the technical fundamentals that is fully up to date for Documentum 5.3. Beginners are introduced to...

Security continues to be the number-one concern of computer professionals today, and with good reason. Consider the evidence: as many as 150 million computers worldwide may be remotely controlled by attackers. Over 94 million credit and debit cards were compromised in one data security breach, with losses totaling over $140 million. On average,...

The Cocoa programming environment—Apple’s powerful set of clean, object-oriented APIs—is increasingly becoming the basis of almost all contemporary Mac OS X development. With its long history of constant refinement and improvement, Cocoa has matured into a sophisticated programming environment that can make...

The only Apple-certified book on Mac OS X v10.6, this revised best-seller will take you deep inside the latest big-cat operating system—covering everything from installation to automation, customizing the operating system, supporting applications, setting up peripherals, and more. Whether you're a support technician or simply an...

Android, the next-generation open mobile platform from Google and the Open Handset Alliance, is poised to become a significant player in the mobile device market. The Android platform gives developers a fair bit of control while still supporting a familiar programming language. However, the frameworks, GUI widgets, and development model is...

Microsoft® Windows 7 Unleashed...

Today, Linux is included with nearly every embedded platform. Embedded developers can take a more modern route and spend more time tuning Linux and taking advantage of open source code to build more robust, feature-rich applications. While Gene Sally does not neglect porting Linux to new hardware, modern embedded hardware is...

Silverlight is a...