Asterisk For Dummies

Author: Stephen P. Olejniczak
Publisher: John Wiley & Sons
ISBN: 0470098546
Category : Technology & Engineering
Languages : en
Pages : 373

Book Description
Your company can save tons of money by taking advantage of Asterisk, an open-source PBX that allows you to bridge data and voice communications. Asterisk for Dummies saves you all the worries and confusion with its easy-to-use, step-by-step walkthrough of the entire program that will have you set up in no time! Asterisk takes the data side of telecom and applies it to the handling and processing of voice calls. This book will show you everything you need to know to install, program, and grow with Asterisk. The invaluable information covered in this guide shows you how to: Utilize dialplan, add features, and build infrastructure Maintain your telecom service Address call-quality concerns and completion issues Provide long-term health for your Asterisk switch Operate the AsteriskNOW GUI Utilize VoIP codecs Troubleshoot VoIP calls with packet captures Avoid the things you should never do with Asterisk In addition to these essential tools, this trusty guide shows you how to manipulate your Asterisk and make it even more useful, such as fending off telemarketers, creating a voice mailbox that e-mails everyone, and transmitting your voice through your stereo. It also has quick references that no Asterisk operator should be without, like dialplan functions, VoIP basics, and a concise guide to Linux. With Asterisk for Dummies, you’ll have the power to handle all the necessary programming to set up the system and keep it running smoothly.

Asterisk: The Definitive Guide

Author: Russell Bryant
Publisher: "O'Reilly Media, Inc."
ISBN: 1449332455
Category : Computers
Languages : en
Pages : 1011

Book Description
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. Integrate Asterisk with analog, VoIP, and digital telephony systems Build an interactive dialplan, using best practices for more advanced features Delve into voicemail options, such as storing messages in a database Connect to external services including Google Talk, XMPP, and calendars Incorporate Asterisk features and functions into a relational database to facilitate information sharing Learn how to use Asterisk’s security, call routing, and faxing features Monitor and control your system with the Asterisk Manager Interface (AMI) Plan for expansion by learning tools for building distributed systems

Asterisk

Author: Jim Van Meggelen
Publisher: "O'Reilly Media, Inc."
ISBN: 0596510489
Category : Computers
Languages : en
Pages : 602

Book Description
Provides information on Asterisk, an open source telephony application.

Linux Smart Homes For Dummies

Author: Neil Cherry
Publisher: John Wiley & Sons
ISBN: 9780470085967
Category : Computers
Languages : en
Pages : 387

Book Description
A Linux smart home is about controlling and monitoring devices and information around your home using a standard personal computer, Linux, and its vast array of open source tools. You don’t have to be a master programmer to create one. If you like to tinker with Linux, Linux Smart Homes For Dummies will guide you through cool home automation projects that are as much fun to work on as they are to use. Home automation used to be limited to turning on lights and appliances, and maybe controlling your thermostat and lawn sprinkler, from your computer. While you still might not be able to create all the Jetsons’ toys, today you can also Build a wireless network Create and set up a weather station Automate your TV and sound system Spy on your pets when you’re not home Set up an answering system that knows what to do with calls Increase your home’s security If you know how to use Linux and a few basic development tools — Perl, the BASH shell, development libraries, and the GNU C compiler—Linux Smart Homes For Dummies will help you do all these tricks and more. For example, you can Discover the best sources for Linux-based home automation devices Set up a wireless network, create a wireless access point, build a bridge between wired and wireless networks, and route your own network traffic Build a personal video recorder with MythTV that will record to DVD, or set up a wireless streaming music system Create a smart phone system that takes messages and forwards them to your fax, modem, or answering machine Build a weather station that notifies you of severe weather alerts Control and secure your home automation network, and even check on your house when you’re away The bonus CD-ROM includes all kinds of cool open source software for your home automation projects. Linux Smart Homes For Dummies even includes lists of cool gadgets to check out and great ways to automate those boring household chores. A smart home’s a happy home!

Starting an Online Business All-in-One For Dummies

Author: Shannon Belew
Publisher: John Wiley & Sons
ISBN: 1119315522
Category : Business & Economics
Languages : en
Pages : 912

Book Description
Start a successful online business—and be your own boss! Being an online entrepreneur means more than just building a website—and this book breaks down everything you need to know to be successful. Inside, you'll get plain-English explanations and easy-to-follow instruction on online business basics, legal and accounting issues, website design, Internet security, boosting sales, e-commerce, and so much more. While the ideas and concepts behind starting an online business are tried and true, the tools available to entrepreneurs change and evolve quickly—and often. Starting an Online Business All-in-One For Dummies gets you up to speed on the best new tools, resources, and communities, and shows you how to best leverage them to up your chances of success. Discover your niche and create a business plan Design your website and storefront Increase your reach and market with social media Choose the best web host for your needs If you're a budding entrepreneur with dreams of running your own online business, this book has everything you need to get started and grow your company to extraordinary heights!

SQL For Dummies

Author: Allen G. Taylor
Publisher: John Wiley & Sons
ISBN: 1119527082
Category : Computers
Languages : en
Pages : 512

Book Description
Get ready to make SQL easy! Updated for the latest version of SQL, the new edition of this perennial bestseller shows programmers and web developers how to use SQL to build relational databases and get valuable information from them. Covering everything you need to know to make working with SQL easier than ever, topics include how to use SQL to structure a DBMS and implement a database design; secure a database; and retrieve information from a database; and much more. SQL is the international standard database language used to create, access, manipulate, maintain, and store information in relational database management systems (DBMS) such as Access, Oracle, SQL Server, and MySQL. SQL adds powerful data manipulation and retrieval capabilities to conventional languages—and this book shows you how to harness the core element of relational databases with ease. Server platform that gives you choices of development languages, data types, on-premises or cloud, and operating systems Find great examples on the use of temporal data Jump right in—without previous knowledge of database programming or SQL As database-driven websites continue to grow in popularity—and complexity—SQL For Dummies is the easy-to-understand, go-to resource you need to use it seamlessly.

TypePad For Dummies

Author: Melanie Nelson
Publisher: John Wiley & Sons
ISBN: 0470550945
Category : Business & Economics
Languages : en
Pages : 518

Book Description
Provides information on creating and maintaining a blog with TypePad.

Excel 2007 For Dummies

Author: Greg Harvey
Publisher: John Wiley & Sons
ISBN: 1118050592
Category : Computers
Languages : en
Pages : 408

Book Description
One look at Excel 2007, with its new Office Button, Quick Access toolbar, and Ribbon, and you realize you’re not in Kansas anymore. Well, have no fear— Excel 2007 for Dummies is here! If you’ve never worked with a computer spreadsheet, or if you’ve had some experience with earlier versions of Excel but need help transitioning, here you’ll find everything you need to create, edit, format, and print your own worksheets (without sacrificing your sanity!). Excel 2007 for Dummies covers all the fundamental techniques, concentrating on only the easiest, most user-friendly ways to get things done. You’ll discover how to: Rearrange, delete and insert new information Keep track of and organize data in a single worksheet Transfer data between the sheets of different workbooks Create a chart using the data in a worksheet Add hyperlinks and graphics to worksheets And more! Plus, in keeping with Excel 2007’s more graphical and colorful look, Excel 2007 for Dummies has taken on some color of its own, with full-color plates in the mid-section of the book illustrating exactly what you’ll see on your screen. Whether you read it from cover to cover or skip to the sections that answer your specific questions, the simple guidance in this book will have you excelling at home or in the office no time.

Excel Formulas & Functions For Dummies

Author: Ken Bluttman
Publisher: John Wiley & Sons
ISBN: 1119518253
Category : Computers
Languages : en
Pages : 402

Book Description
Put the power of Excel functions to work in your formulas There are more than 400 built-in functions in Excel 2019, from AGGREGATE to Z.TEST. The question is which ones will make your work easier? How and why should you use a particular function in your formulas? Excel Formulas and Functions For Dummies offers thorough but easy-to-read coverage of powerful Excel functions. With this book, you’ll learn to apply the power of Excel functions and formulas to make your work and other tasks easier. Compare 15-year vs. 30-year mortgage terms, choose between leasing or buying a car, compute classroom grades, create an amortization table, evaluate investment performance, calculate the real cost of credit card purchases, or forecast college expenses and savings. All of this and more is possible when you master functions and formulas in Excel. Although it covers the latest software version, Excel 2019, the techniques and functions described in this book can be used on any version of Excel. Step-by-step instruction on Excel's 150 most useful functions Each function is illustrated by helpful, real-world examples 85 specialized functions are described in abbreviated form Includes Excel’s must-know functions This book is a must-read for beginning to intermediate Excel users who want to find out how to use Excel’s powerful built-in functions.

C All-in-One Desk Reference For Dummies

Author: Dan Gookin
Publisher: John Wiley & Sons
ISBN: 1118054245
Category : Computers
Languages : en
Pages : 855

Book Description
Ready, set, code! A user-friendly guide introducing the C programming language to new and intermediate coders The C programming language and its direct descendants are widespread and among the most popular programming languages used in the world today. The enduring popularity of C continues because C programs are fast, concise, and run on many different systems. Flexible and efficient, C is designed for a wide variety of programming tasks: system-level code, text processing, graphics, telecommunications, and many other application areas. C All-in-One Desk Reference For Dummies is for beginning and intermediate C programmers and provides a solid overview of the C programming language, from the basics to advanced concepts, with several exercises that give you real-world practice. C All-in-One Desk Reference For Dummies covers everything users need to get up to speed on C programming, including advanced topics to take their programming skill to the next level. Inside you'll learn The entire development cycle of a C program: designing and developing the program, writing source code, compiling the code, linking the code to create the executable programs, debugging, and deployment The intricacies of writing the code -- the basic and not-so-basic building blocks that make up the source code Thorough coverage of keywords, program flow, conditional statements, constants and variables, numeric values, arrays, strings, functions, pointers, debugging, prototyping, and more Dozens of sample programs you can adapt and modify for your own use Written in plain English, this friendly guide also addresses some advanced programming topics, such as Programming for the Linux/Unix console Windows and Linux programming Graphics programming Games programming Internet and network programming Hardware programming projects The book includes a handy appendix that shows you how to set up your computer for programming, how to select and use a text editor, and fix up the compiler, to ensure you're ready to work the author's examples. Written by Dan Gookin, the author of the first-ever For Dummies book (and several others) who's known for presenting complex material in an easy-to-understand way, this comprehensive guide makes learning the C programming language simple and fun. Grab your copy of C All-in-One Desk Reference For Dummies, so you can start coding your own programs.