Written by an expert in the field of telecommunications, this book describes the Inter-Asterisk Exchange protocol (IAX) and its operations, discussing the main characteristics of the protocol including NAT traversal,...

Unleash the power of your new iPhone 4S or other iOS 5-driven iPhone and take it to the limit using powerful tips and techniques from the Apple experts at TUAW, Erica Sadun, Steve Sande, and Michael Grothaus. Fast and fun to read, Taking Your iPhone 4S to the Max shows you how to get the most out of your iPhone...

Noise is everywhere and in most applications that are related to audio and speech, such as human-machine interfaces, hands-free communications, voice over IP (VoIP), hearing aids, teleconferencing/telepresence/telecollaboration systems, and so many others, the signal of interest (usually speech) that is picked up by a microphone is generally...

Audio can affect the human brain in the most powerful and profound ways. Using Apple’s Core Audio, you can leverage all that power in your own Mac and iOS software, implementing features ranging from audio capture to real-time effects, MP3 playback to virtual instruments, web radio to VoIP support. The most sophisticated audio...

Welcome to Twitter, the Social Networking site that was called “utterly devoid of any sort of merit” by New Zealand Herald’s Canvas Magazine, (June 6, 2009) in the same week it appeared on the cover of TIME Magazine as “a powerful form of communication” and “the future of American innovation.”...

One of the consequences of the information revolution is the ever-growing amount of
information we are surrounded with and the need to process this information
efficiently and extract meaningful knowledge. This phenomenon was termed “digital
obesity” or “information obesity” by Toshiba Ltd. One...

This book, Cisco Unity Connection, by Dave Schulz, hits the bull’s-eye of its intended topic: Cisco Unity Connection. This book zeroes in on the target with clarity and depth. Anyone that uses or considers using the Cisco Unity Connection product needs a copy of this book to read when planning a deployment, administering the...

Data communications and computer networks are vital in today's business world. Whether your career entails business management, computer programming, system design, or a related area, DATABASE COMMUNICATIONS AND COMPUTER NETWORKS, 7th Edition will give you the thorough understanding you need of basic features, operations, and limitations...

On March 10, 1876, Alexander Graham Bell made the first successful telephone call. As with many things, the test was purely accidental. Graham spilled acid on his leg, and Watson, his assistant, heard his call for help through the telephone. So, what has changed over the last 129 years? It would be easier to discuss what hasn’t...