Building Telephony Systems with OpenSER

This book shows how to build a telephony system for your home or business using the free and open source application, Asterisk. 'Building a Telephony System with Asterisk' takes you step-by-step through the process of installing and configuring Asterisk. It shows you how to make a deployment plan, and how to create a dial plan. The book also presents example configurations for using Asterisk in three different scenarios: for small and home offices, small businesses, and Hosted PBX. With an engaging style and excellent way of presenting information, this book makes a complicated subject very easy to understand. This book is aimed at anyone who is interested in building a powerful telephony system using the free and open source application, Asterisk, w...

The Reference Model of Open Distributed Processing (RM-ODP) is an international standard that provides a solid basis for describing and building widely distributed systems and applications in a systematic way. It stresses the need to build these systems with evolution in mind by identifying the concerns of major stakeholders and then expressing the design as a series of linked viewpoints. Although RM-ODP has been a standard for more than ten years, many practitioners are still unaware of it. Building Enterprise Systems with ODP: An Introduction to Open Distributed Processing offers a gentle pathway to the essential ideas that constitute ODP and shows how these ideas can be applied when designing and building challenging systems. It provides an acce...

Mobile Web Development shows you how to build a mobile presence for your web applications and sites. It covers targeting different mobile web browsers, sending and receiving SMS and MMS messages, accepting mobile payments, and developing voice- and touchtone-response systems. This book is for web developers who want to provide mobile support for their applications. The book assumes some knowledge of HTML, CSS, and JavaScript. The reader should also know a server-side language. The examples in the book use PHP, but can be adapted easily to other languages. The book does not use J2ME, focusing instead on using the phone's web browser and other standard features....