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VoIP: Cisco Unified Communications Manager Express: A Hands-On Approach Big

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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.

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VoIP Performance Management and Optimization (paperback) (Networking Technology: Ip Communications) Big

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VoIP Performance Management and Optimization

A KPI-based approach to managing and optimizing VoIP networks

 

IP Communications

 

Adeel Ahmed, CCIE® No. 4574

Habib Madani

Talal Siddiqui, CCIE No. 4280

 

VoIP Performance Management and Optimization is the first comprehensive, expert guide to managing, monitoring, troubleshooting, and optimizing large VoIP networks. Three leading Cisco VoIP experts bring together state-of-the-art techniques for ensuring that customer service level agreements (SLA) are consistently met or exceeded.

 

The authors begin by reviewing how VoIP is deployed in enterprise and service provider networks and the performance tradeoffs and challenges associated with each leading VoIP deployment model. Next, they present a comprehensive approach to diagnosing problems in VoIP networks using key performance indicators (KPI) and proactively addressing issues before they impact service.

 

In this book, you will find a proven tools-based strategy for gauging VoIP network health and maximizing performance and voice quality. You also will learn how to perform trend analysis and use the results for capacity planning and traffic engineering—thereby optimizing your networks for both the short- and long-term.

 

The authors all work in the Cisco Advanced Services Group.

 

  • Deploy, manage, monitor, and scale multivendor VoIP networks more effectively
  • Integrate performance data from multiple VoIP network segments and service flows to effectively manage SLAs
  • Use performance counters, call detail records, and call agent trace logs to gauge network health in real time
  • Utilize dashboards to analyze and correlate VoIP metrics, analyze trends, and plan capacity
  • Implement a layered approach to quickly isolate and troubleshoot both localized and systemic problems in VoIP networks
  • Optimize performance in networks where the service provider owns the “last mile” connection
  • Improve performance when VoIP is deployed over publicly shared infrastructure
  • Manage performance in enterprise networks using both centralized and distributed call processing
  • Plan media deployment for the best possible network performance
  • Monitor trends, establish baselines, optimize existing resources, and identify emerging problems
  • Understand and address common voice quality issues

 

This IP communications book is part of the Cisco Press® Networking Technology Series. IP communications titles from Cisco Press help networking professionals understand voice and IP telephony technologies, plan and design converged networks, and implement network solutions for increased productivity.

 

Category: Networking: Unified Communications

Covers: Voice over IP Network Management

 

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Hacking Exposed Unified Communications & VoIP Security Secrets & Solutions, Second Edition Get

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Publisher’s Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product.

The latest techniques for averting UC disaster

“This book is a must-read for any security professional responsible for VoIP or UC infrastructure. This new edition is a powerful resource that will help you keep your communications systems secure.” ―Dan York, Producer and Co-Host, Blue Box: The VoIP Security Podcast

“The original edition, Hacking Exposed: Voice over IP Secrets & Solutions, provided a valuable resource for security professionals. But since then, criminals abusing VoIP and UC have become more sophisticated and prolific, with some high-profile cases ringing up huge losses. This book is a welcome update that covers these new threats with practical examples, showing the exact tools in use by the real attackers.” ―Sandro Gauci, Penetration Tester and Security Researcher, Author of SIPVicious

“Powerful UC hacking secrets revealed within. An outstanding and informative book. Hacking Exposed: Unified Communications & VoIP Security Secrets & Solutions walks the reader through powerful yet practical offensive security techniques and tools for UC hacking, which then informs defense for threat mitigation. The authors do an excellent job of weaving case studies and real-world attack scenarios with useful references. This book is essential for not only IT managers deploying UC, but also for security practitioners responsible for UC security.” ―Jason Ostrom, UC Security Researcher, Stora SANS Institute, co-author, SEC540 class

“After reading Hacking Exposed: Unified Communications & VoIP Security Secrets & Solutions, I was saddened to not have had this book published years ago. The amount of time and money I could have saved myself, and my clients, would have been enormous. Being a professional in an ITSP/MSP, I know firsthand the complexities and challenges involved with auditing, assessing, and securing VoIP-based networks. From the carrier level, right down to the managed PBX level, and everything in between, Hacking Exposed: Unified Communications & VoIP Security Secrets & Solutions is a de facto must-have book. For those learning VoIP security to those heavily involved in any VoIP-related capacity, this book is worth its weight in gold.” ―J. Oquendo, Lead Security Engineer, E–Fensive Security Strategies

Hacking Exposed: Unified Communications & VoIP Security Secrets & Solutions, includes more sophisticated attack vectors focused on UC and NGN. The authors describe in depth many new tools and techniques such as TDoS and UC interception. Using these techniques, you will learn how you can identify the security problems of VoIP/UC. This book is a masterpiece.” ―Fatih Ozavci, Senior Security Consultant at Sense of Security, Author of viproy

“This book provides you with the knowledge you need to understand VoIP threats in reality. No doom and gloom, overhyped, never to happen in the real-world scenarios. You will understand the vulnerabilities, the risks, and how to protect against them.” ―Shane Green, Senior Voice Security Analyst

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

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VoIP and Unified Communications: Internet Telephony and the Future Voice Network Big

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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.

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