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...

Seeking to connect an analysis of intelligence liaison with the wider realm of Anglo-American Relations, the book draws on a wide range of interviews and consultations with key actors in both countries. The book is centred around two...

XMPP is a robust protocol used for a wide range of applications, including instant messaging, multi-user chat, voice and video conferencing, collaborative spaces, real-time gaming, data synchronization, and search. This book teaches you how to harness the...

Programmers have a lot on their minds . Programming languages, programming techniques, development environments, coding style, tools, development process, deadlines, meetings, software architecture, design patterns, team dynamics, code, requirements, bugs, code quality. And more. A lot. There is an art, craft, and science to programming that...

Thirty years ago, Jack Trout and Al Ries published their classic bestseller, Positioning: The Battle for Your Mind—a book that revolutionized the world of marketing. But times have changed. Competition is fiercer. Consumers are savvier. Communications are...

• Exact prices, directions, opening hours,and other practical...

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...

Most large enterprises have switched to IP telephony, and service provider backbone networks have largely converted to VoIP transport. But there’s a...

• Getting started -- choose the MacBook that suits your needs, set it up, customize your preferences, and...

With such an amazing abundance of electronic devices available in our daily lives, wouldn't it be nice to eliminate getting wrangled by all those wires? With this guide by your side, a team of technical authors walks you through creating a network in your home or...

Get complete coverage of all three Microsoft Certified IT Professional Windows Vista Support Technician exams in this comprehensive volume. Written by a Windows Vista expert and MCITP, this definitive exam guide features...

WordPress is easily one of the hottest platforms for building blogs and general web sites. With the addition of the WP e-Commerce plug-in, it's also a competent platform for easily creating and running an online store, capable of selling physical items as well as services and digital downloads. WordPress with e-Commerce offers every...