Translates technical jargon into practical business communications solutions This book takes readers from traditional voice, fax, video, and data services delivered via separate platforms to a single, unified platform delivering all of these services seamlessly via the Internet. With its clear, jargon-free explanations, the author enables all readers to better understand and assess the growing number of voice over Internet protocol (VoIP) and unified communications (UC) products and services that are available for businesses. VoIP and Unified Communications is based on the author's careful review and synthesis of more than 7,000 pages of published standards as well as a broad range of datasheets, websites, white papers, and webinars. It begins with an introduction to IP technology and then covers such topics as: Packet transmission and switching VoIP signaling and call processing How VoIP and UC are defining the future Interconnections with global services Network management for VoIP and UC This book features a complete chapter dedicated to cost analyses and payback calculations, enabling readers to accurately determine the short- and long-term financial impact of migrating to various VoIP and UC products and services. There's also a chapter detailing major IP systems hardware and software. Throughout the book, diagrams illustrate how various VoIP and UC components and systems work. In addition, the author highlights potential problems and threats to UC services, steering readers away from common pitfalls. Concise and to the point, this text enables readers—from novices to experienced engineers and technical managers—to understand how VoIP and UC really work so that everyone can confidently deal with network engineers, data center gurus, and top management.

Discover what Unified Communications can do for your business In our increasingly mobile world, communication must be effective, global, and available through multiple technologies seamlessly. Unified Communications logically blends and combines previously separate services and features, making communication possible by any means, with anyone, using any of your devices. This complex topic is perfect for a book dedicated to making everything easier! Unified Communications For Dummies introduces you to the many advantages this technology offers your business and shows you how to develop a strategy for bringing it about. Unified Communications is a new paradigm for working and communicating efficiently and collaboratively This book explains the features available with Unified Communications and how they can create new capabilities to drive customer satisfaction Shows how Unified Communications encompasses office and mobile phones, voicemail, instant messaging, fax, Internet phone calls, texting, and even Web conferencing Provides a step-by-step approach for creating a Unified Communications strategy Offers tips for improving the implementation process Shares real-world examples of how Unified Communications is being used today Unified Communications For Dummies shows you how to meet business needs with this emerging, cutting-edge solution.

The latest techniques for averting UC disaster Establish a holistic security stance by learning to view your unified communications infrastructure through the eyes of the nefarious cyber-criminal. Hacking Exposed Unified Communications & VoIP, Second Edition offers thoroughly expanded coverage of today’s rampant threats alongside ready-to deploy countermeasures. Find out how to block TDoS, toll fraud, voice SPAM, voice social engineering and phishing, eavesdropping, and man-in-the-middle exploits. This comprehensive guide features all-new chapters, case studies, and examples. See how hackers target vulnerable UC devices and entire networks Defend against TDoS, toll fraud, and service abuse Block calling number hacks and calling number spoofing Thwart voice social engineering and phishing exploits Employ voice spam mitigation products and filters Fortify Cisco Unified Communications Manager Use encryption to prevent eavesdropping and MITM attacks Avoid injection of malicious audio, video, and media files Use fuzzers to test and buttress your VoIP applications Learn about emerging technologies such as Microsoft Lync, OTT UC, other forms of UC, and cloud and WebRTC

Presents information on dangerous hacks and attacks aimed specifically at Unified Communications technologies, offering instructions on the best ways to defend an attack and techniques to make a computer and network impenetrable.

The author introduces the essentials of Cisco Call Manager Express. Clearly and consistently guides you toward the functional VoIP solution. Carefully selected command line interface configuration tasks build the VoIP network with multiple services. Configuration tasks are presented in side by side multi-protocol (SCCP/SIP) fashion. All the configuration tasks are fully solved with instructions, hints and with the minimal hardware requirements in mind.A hands-on approach makes this book an ideal study material for students, administrators and networking enthusiasts with at least introductory IT and networking experience. The author assumes no specialized background in networking. In the first chapter the author explains preliminaries and essentials for those who need it.

VoIP and convergence are hot topics, and the CVOICE 8.0 exam targets candidates looking to pass Exam 642-437 and pursue their CCNP Voice certification. Companies continue to add VoIP service at a record pace, and network administrators are ramping up their skills. This new member of the Sybex Study Guide series covers everything you’ll need to know to pass the certification exam. VoIP (Voice over IP) is rapidly becoming a preferred solution for companies, and Cisco has responded to the need with a new certification to assure proficiency in VoIP technology Prepares IT professionals for the CVOICE 8.0 exam and includes a CD with the Sybex Test Engine, flashcards, and the Glossary in PDF format. Covers gateway components, dial plans, basic operation and components of VoIP, how to implement a gateway, the function and interoperation of gatekeepers, how to implement an IP-to-IP gateway, and more Administrators of Cisco VoIP networks will find all the essential tools for CVOICE exam success in CVOICE 8.0: Implementing Cisco Unified Communications Voice over IP and QoS v8.0 Study Guide.

"A system administrator's guide to VoIP technologies"--Cover.

This book is aimed at those who want to learn how to set up an Elastix Unified Communications Server without losing ground on Unified Communications and Voice over IP.

Collaboration with Cloud Computing discusses the risks associated with implementing these technologies across the enterprise and provides you with expert guidance on how to manage risk through policy changes and technical solutions. Drawing upon years of practical experience and using numerous examples and case studies, author Ric Messier discusses: - The evolving nature of information security - The risks, rewards, and security considerations when implementing SaaS, cloud computing and VoIP - Social media and security risks in the enterprise - The risks and rewards of allowing remote connectivity and accessibility to the enterprise network - Discusses the risks associated with technologies such as social media, voice over IP (VoIP) and cloud computing and provides guidance on how to manage that risk through policy changes and technical solutions - Presents a detailed look at the risks and rewards associated with cloud computing and storage as well as software as a service (SaaS) and includes pertinent case studies - Explores the risks associated with the use of social media to the enterprise network - Covers the bring-your-own-device (BYOD) trend, including policy considerations and technical requirements

Voice Over Internet Protocol Security has been designed to help the reader fully understand, prepare for and mediate current security and QoS risks in today's complex and ever changing converged network environment and it will help you secure your VoIP network whether you are at the planning, implementation, or post-implementation phase of your VoIP infrastructure.* This book will teach you how to plan for and implement VoIP security solutions in converged network infrastructures. Whether you have picked up this book out of curiosity or professional interest . . . it is not too late to read this book and gain a deep understanding of what needs to be done in a VoIP implementation.* In the rush to be first to market or to implement the latest and greatest technology, many current implementations of VoIP infrastructures, both large and small, have been implemented with minimal thought to QoS and almost no thought to security and interoperability.