Asterisk: The Definitive Guide, 4th Edition
Design a complete Voice over IP (VoIP) or traditional PBX system with Asterisk, even if you have only basic telecommunications knowledge. This bestselling guide makes it easy, with a detailed roadmap that shows you how to install and configure this open source software, whether you're upgrading your existing phone system or starting from scratch. Ideal for Linux administrators, developers, and power users, this updated edition shows you how to write a basic dialplan step-by-step, and brings you up to speed on the features in Asterisk 11, the latest long-term support release from Digium. You'll quickly gain working knowledge to build a simple yet inclusive system. ...
Design a complete Voice over IP (VoIP) or traditional PBX system with Asterisk, even if you have only basic telecommunications knowledge. This bestselling guide makes it easy, with a detailed roadmap that shows you how to install and configure this open source software, whether you're upgrading your existing phone system or starting from scratch. Ideal for Linux administrators, developers, and power users, this updated edition shows you how to write a basic dialplan step-by-step, and brings you up to speed on the features in Asterisk 11, the latest long-term support release from Digium. You'll quickly gain working knowledge to build a simple yet inclusive system. ...
Handbook of Usability Testing, 2nd Edition
Whether it s software, a cell phone, or a refrigerator, your customer wants no, expects your product to be easy to use. This fully revised handbook provides clear, step-by-step guidelines to help you test your product for usability. Completely updated with current industry best practices, it can give you that all-important marketplace advantage: products that perform the way users expect. You ll learn to recognize factors that limit usability, decide where testing should occur, set up a test plan to assess goals for your product s usability, and more. ...
Whether it s software, a cell phone, or a refrigerator, your customer wants no, expects your product to be easy to use. This fully revised handbook provides clear, step-by-step guidelines to help you test your product for usability. Completely updated with current industry best practices, it can give you that all-important marketplace advantage: products that perform the way users expect. You ll learn to recognize factors that limit usability, decide where testing should occur, set up a test plan to assess goals for your product s usability, and more. ...
Microsoft Virtualization Secrets
If you're an IT professional, you know that virtualization is essential in today's computer infrastructures. This valuable reference is your key to all things Microsoft virtualization. Written by a Microsoft Most Valuable Professional (MVP), it breaks down all the various technologies, what they mean to your organization in terms of saving money and solving problems, and how to design and deploy various solutions effectively. You'll find invaluable tips and information on such topics as Hyper-V, the changes that Windows 8 brings, private cloud scenarios, and more. ...
If you're an IT professional, you know that virtualization is essential in today's computer infrastructures. This valuable reference is your key to all things Microsoft virtualization. Written by a Microsoft Most Valuable Professional (MVP), it breaks down all the various technologies, what they mean to your organization in terms of saving money and solving problems, and how to design and deploy various solutions effectively. You'll find invaluable tips and information on such topics as Hyper-V, the changes that Windows 8 brings, private cloud scenarios, and more. ...
FreeSWITCH Cookbook
FreeSWITCH is an open source telephony platform designed to facilitate the creation of voice, chat, and video applications. It can scale from a soft-phone to a PBX and even up to an enterprise-class softswitch. In the FreeSWITCH Cookbook, members of the FreeSWITCH development team share some of their hard-earned knowledge with you in the book's recipes. Use this knowledge to improve and expand your FreeSWITCH installations. The FreeSWITCH Cookbook is an essential addition to any VoIP administrator's library. The book starts with recipes on how to handle call routing and then discusses connecting your FreeSWITCH server to the outside world. ...
FreeSWITCH is an open source telephony platform designed to facilitate the creation of voice, chat, and video applications. It can scale from a soft-phone to a PBX and even up to an enterprise-class softswitch. In the FreeSWITCH Cookbook, members of the FreeSWITCH development team share some of their hard-earned knowledge with you in the book's recipes. Use this knowledge to improve and expand your FreeSWITCH installations. The FreeSWITCH Cookbook is an essential addition to any VoIP administrator's library. The book starts with recipes on how to handle call routing and then discusses connecting your FreeSWITCH server to the outside world. ...
WPF Control Development Unleashed
In this book, two leading Windows Presentation Foundation experts give developers everything they need to build next-generation WPF applications - software that is more robust, usable, and compelling. Drawing on their close ties with Microsoft's WPF development team, Pavan Podila and Kevin Hoffman give you a clear, robust, and practical understanding of WPF, its underpinnings, its overall architecture, and its design philosophy. Podila and Hoffman introduce never-before-published WPF design patterns and support them with robust, real-world code examples - all presented in full color, just as they appear in Visual Studio. ...
In this book, two leading Windows Presentation Foundation experts give developers everything they need to build next-generation WPF applications - software that is more robust, usable, and compelling. Drawing on their close ties with Microsoft's WPF development team, Pavan Podila and Kevin Hoffman give you a clear, robust, and practical understanding of WPF, its underpinnings, its overall architecture, and its design philosophy. Podila and Hoffman introduce never-before-published WPF design patterns and support them with robust, real-world code examples - all presented in full color, just as they appear in Visual Studio. ...
Parallel Metaheuristics
Get more out of Windows 8 at your own pace with this great new guide that's perfect for busy learners. Helpful information is presented in quick, easy-to-digest, individual tasks that you can read and learn in five minutes or less, per task. Boost your productivity with hundreds of smart techniques, which include step-by-step instructions, full-color screenshots, and plenty of practical tips and sidebars sprinkled throughout the book. The attractive design brings everything in clear focus and helps you quickly locate the information you need. ...
Get more out of Windows 8 at your own pace with this great new guide that's perfect for busy learners. Helpful information is presented in quick, easy-to-digest, individual tasks that you can read and learn in five minutes or less, per task. Boost your productivity with hundreds of smart techniques, which include step-by-step instructions, full-color screenshots, and plenty of practical tips and sidebars sprinkled throughout the book. The attractive design brings everything in clear focus and helps you quickly locate the information you need. ...
Optimizing and Troubleshooting Hyper-V Networking
This scenario-focused title provides concise technical guidance and insights for troubleshooting and optimizing networking with Hyper-V. Written by experienced virtualization professionals, this little book packs a lot of value into a few pages, offering a lean read with lots of real-world insights and best practices for Hyper-V networking optimization in Windows Server 2012. ...
This scenario-focused title provides concise technical guidance and insights for troubleshooting and optimizing networking with Hyper-V. Written by experienced virtualization professionals, this little book packs a lot of value into a few pages, offering a lean read with lots of real-world insights and best practices for Hyper-V networking optimization in Windows Server 2012. ...
Linux Bible 2010 Edition
Whether you're a first-time Linux user or you're migrating from another operating system, this book is an ideal introductory guide for getting comfortable with the building-block nature of Linux. Written by bestselling author Christopher Negus, this guide is packed with in-depth descriptions on the basics of Linux desktops, servers, and programming tools and gets you up to speed on all the new and exciting features of the newest version: Linux 2010. Negus walks you through transitioning from Windows or Mac and helps you find the Linux distribution that best meets your needs. ...
Whether you're a first-time Linux user or you're migrating from another operating system, this book is an ideal introductory guide for getting comfortable with the building-block nature of Linux. Written by bestselling author Christopher Negus, this guide is packed with in-depth descriptions on the basics of Linux desktops, servers, and programming tools and gets you up to speed on all the new and exciting features of the newest version: Linux 2010. Negus walks you through transitioning from Windows or Mac and helps you find the Linux distribution that best meets your needs. ...
Expert One-on-One Visual Basic 2005 Database Programming
Are you hesitant to migrate to Visual Studio 2005? Maybe you're ready to upgrade to Visual Basic 2005 but feel a bit overwhelmed by ADO.NET 2.0 and the Visual Data Tools of this new release. In this hands-on guide, I'll share with you the best practices, the latest features, and advanced data management techniques with Visual Basic 2005 and SQL Server or SQL Server Express 2005. Plus, I'll incorporate simple to moderately complex project examples that feature real-world, database front-end applications with Windows and Web forms. ...
Are you hesitant to migrate to Visual Studio 2005? Maybe you're ready to upgrade to Visual Basic 2005 but feel a bit overwhelmed by ADO.NET 2.0 and the Visual Data Tools of this new release. In this hands-on guide, I'll share with you the best practices, the latest features, and advanced data management techniques with Visual Basic 2005 and SQL Server or SQL Server Express 2005. Plus, I'll incorporate simple to moderately complex project examples that feature real-world, database front-end applications with Windows and Web forms. ...
Beginning Visual C++ 2005
You'll learn the essentials of Visual C++ 2005 and get a thorough introduction to the techniques used for accessing data sources in both Microsoft® Foundation Classes and Windows® Forms applications. Plus, the exercises included at the end of most chapters will help you apply what you've learned as you make your way to becoming an effective C++ programmer. This book is for novice programmers who are looking to write C++ applications for the Microsoft Windows OS. No previous programming experience is required. ...
You'll learn the essentials of Visual C++ 2005 and get a thorough introduction to the techniques used for accessing data sources in both Microsoft® Foundation Classes and Windows® Forms applications. Plus, the exercises included at the end of most chapters will help you apply what you've learned as you make your way to becoming an effective C++ programmer. This book is for novice programmers who are looking to write C++ applications for the Microsoft Windows OS. No previous programming experience is required. ...