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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.

Experience the future of business communication with the P3000 Unified Communication System for Web Video Conferencing. This innovative, high-tech device is designed to streamline your remote meetings, making it an essential tool for businesses in the digital age. This advanced system is lightweight and portable, making it ideal for businesses on the go. It's designed to be user-friendly, with a simple, intuitive interface modeled after smartphone technology for easy operation. With a startup time of just 30 seconds and one-finger control to convenient address books, you can connect with other participants around the world instantly.The P3000 Unified Communication System is a reliable solution for any environment, including business-to-business, educational, healthcare, and legal settings. It allows you to bring together dozens of participants from up to 20 remote locations for seamless, secure interactions. Nine locations can be displayed simultaneously in a wide range of screen layouts, with audio from 11 more locations available throughout the meeting. This system uses scalable video coding to transmit with reduced jitter and interruption, ensuring higher quality communications at a reduced cost. The conference call leader can connect the device directly to a computer via USB cable to share screen images with all participants. Remote users can easily connect the P3000 into any projector, desktop monitor, or television for viewing.The P3000 Unified Communication System features the best of Ricoh optical technology, offering 1.3 megapixels of high-resolution at an expansive 94-degree wide-angle view for video communications with real-life quality. In summary, the P3000 Unified Communication System for Web Video Conferencing is a comprehensive solution that combines video, audio, text, and interactive media in a compact design. It's a cost-effective way to enhance your business communication, saving on travel and video-conferencing room infrastructure costs without compromising security or spontaneity. Choose the P3000 Unified Communication System to keep your business personal, profitable, and ahead of the competition.

Hacking Exposed Unified Communications & Voip Security Secrets & Solutions, Second Edition 2.04

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.

For nearly ten years, the Unified Modeling Language (UML) has been the industry standard for visualizing, specifying, constructing, and documenting the artifacts of a software-intensive system. As the de facto standard modeling language, the UML facilitates communication and reduces confusion among project stakeholders. The recent standardization of UML 2.0 has further extended the language's scope and viability. Its inherent expressiveness allows users to model everything from enterprise information systems and distributed Web-based applications to real-time embedded systems. In this eagerly anticipated revision of the best-selling and definitive guide to the use of the UML, the creators of the language provide a tutorial to its core aspects in a two-color format designed to facilitate learning. Starting with an overview of the UML, the book explains the language gradually by introducing a few concepts and notations in each chapter. It also illustrates the application of the UML to complex modeling problems across a variety of application domains. The in-depth coverage and example-driven approach that made the first edition of The Unified Modeling Language User Guide an indispensable resource remain unchanged. However, content has been thoroughly updated to reflect changes to notation and usage required by UML 2.0. Highlights include: A new chapter on components and internal structure, including significant new capabilities for building encapsulated designs New details and updated coverage of provided and required interfaces, collaborations, and UML profiles Additions and changes to discussions of sequence diagrams, activity diagrams, and more Coverage of many other changes introduced by the UML 2.0 specification With this essential guide, you will quickly get up to speed on the latest features of the industry standard modeling language and be able to apply them to your next software project.

For nearly ten years, the Unified Modeling Language (UML) has been the industry standard for visualizing, specifying, constructing, and documenting the artifacts of a software-intensive system. As the de facto standard modeling language, the UML facilitates communication and reduces confusion among project stakeholders. The recent standardization of UML 2.0 has further extended the language's scope and viability. Its inherent expressiveness allows users to model everything from enterprise information systems and distributed Web-based applications to real-time embedded systems. In this eagerly anticipated revision of the best-selling and definitive guide to the use of the UML, the creators of the language provide a tutorial to its core aspects in a two-color format designed to facilitate learning. Starting with an overview of the UML, the book explains the language gradually by introducing a few concepts and notations in each chapter. It also illustrates the application of the UML to complex modeling problems across a variety of application domains. The in-depth coverage and example-driven approach that made the first edition of The Unified Modeling Language User Guide an indispensable resource remain unchanged. However, content has been thoroughly updated to reflect changes to notation and usage required by UML 2.0. Highlights include: A new chapter on components and internal structure, including significant new capabilities for building encapsulated designs New details and updated coverage of provided and required interfaces, collaborations, and UML profiles Additions and changes to discussions of sequence diagrams, activity diagrams, and more Coverage of many other changes introduced by the UML 2.0 specification With this essential guide, you will quickly get up to speed on the latest features of the industry standard modeling language and be able to apply them to your next software project.

The past decade has seen many advances in physical layer wireless communication theory and their implementation in wireless systems. This textbook takes a unified view of the fundamentals of wireless communication and explains the web of concepts underpinning these advances at a level accessible to an audience with a basic background in probability and digital communication. Topics covered include MIMO (multi-input, multi-output) communication, space-time coding, opportunistic communication, OFDM and CDMA. The concepts are illustrated using many examples from real wireless systems such as GSM, IS-95 (CDMA), IS-856 (1 x EV-DO), Flash OFDM and UWB (ultra-wideband). Particular emphasis is placed on the interplay between concepts and their implementation in real systems. An abundant supply of exercises and figures reinforce the material in the text. This book is intended for use on graduate courses in electrical and computer engineering and will also be of great interest to practising engineers.

This is a revised and updated edition of the field's classic, best-selling introduction. With remarkable clarity, Dr. Bernard Sklar introduces every digital communication technology at the heart of today's wireless and Internet revolutions, providing a unified structure and context for understanding them -- all without sacrificing mathematical precision. Throughout, Sklar helps students understand the big picture and delve into the details of current modulation, coding, and signal processing techniques. He traces signals and key processing steps from the information source through transmitter, channel, receiver, and information sink.   Digital Communications, Third Edition begins by introducing the fundamentals of signals, spectra, formatting, and baseband transmission. Next, Sklar presents practical coverage of trellis-coded modulation, Reed-Solomon codes, synchronization, spread spectrum solutions, and much more. Throughout, he offers numeric examples, step-by-step implementation guidance, and block diagrams that place key concepts and techniques in clear context. Coverage includes: Signals and spectra, including signal classification, spectral density, transmission, and bandwidth Formatting, baseband modulation, and baseband demodulation/detection Bandpass modulation and demodulation/detection Communications link analysis and system link budgets Channel coding: waveform, block, convolutional, and Reed-Solomon codes Advanced turbo coding and Low-Density Parity Check (LDPC) techniques Managing modulation and coding tradeoffs Receiver and network synchronization Multiplexing and multiple access Spread spectrum overview and techniques Source coding: amplitude quantizing, differential PCM, adaptive prediction, digital data, and more Fading channels: challenges, characterization, and mitigations The essentials of OFDM and MIMO technology Long Term Evolution (LTE) Wireless, Software Defined Radio, 5G, and other advances

This is a revised and updated edition of the field's classic, best-selling introduction. With remarkable clarity, Dr. Bernard Sklar introduces every digital communication technology at the heart of today's wireless and Internet revolutions, providing a unified structure and context for understanding them -- all without sacrificing mathematical precision. Throughout, Sklar helps students understand the big picture and delve into the details of current modulation, coding, and signal processing techniques. He traces signals and key processing steps from the information source through transmitter, channel, receiver, and information sink.   Digital Communications, Third Edition begins by introducing the fundamentals of signals, spectra, formatting, and baseband transmission. Next, Sklar presents practical coverage of trellis-coded modulation, Reed-Solomon codes, synchronization, spread spectrum solutions, and much more. Throughout, he offers numeric examples, step-by-step implementation guidance, and block diagrams that place key concepts and techniques in clear context. Coverage includes: Signals and spectra, including signal classification, spectral density, transmission, and bandwidth Formatting, baseband modulation, and baseband demodulation/detection Bandpass modulation and demodulation/detection Communications link analysis and system link budgets Channel coding: waveform, block, convolutional, and Reed-Solomon codes Advanced turbo coding and Low-Density Parity Check (LDPC) techniques Managing modulation and coding tradeoffs Receiver and network synchronization Multiplexing and multiple access Spread spectrum overview and techniques Source coding: amplitude quantizing, differential PCM, adaptive prediction, digital data, and more Fading channels: challenges, characterization, and mitigations The essentials of OFDM and MIMO technology Long Term Evolution (LTE) Wireless, Software Defined Radio, 5G, and other advances

An interdisciplinary framework for learning methodologies-covering statistics, neural networks, and fuzzy logic This book provides a unified treatment of the principles and methods for learning dependencies from data. It establishes a general conceptual framework in which various learning methods from statistics, neural networks, and fuzzy logic can be applied-showing that a few fundamental principles underlie most new methods being proposed today in statistics, engineering, and computer science. Complete with over one hundred illustrations, case studies, and examples, Learning from Data: * Relates statistical formulation with the latest methodologies used in artificial neural networks, fuzzy systems, and wavelets * Features consistent terminology, chapter summaries, and practical research tips * Emphasizes the conceptual framework provided by Statistical Learning Theory (VC-theory) rather than its commonly practiced mathematical aspects * Provides a detailed description of the new learning methodology called Support Vector Machines (SVM) This invaluable text/reference accommodates both beginning and advanced graduate students in engineering, computer science, and statistics. It is also indispensable for researchers and practitioners in these areas who must understand the principles and methods for learning dependencies from data.

The past decade has seen many advances in physical layer wireless communication theory and their implementation in wireless systems. This textbook takes a unified view of the fundamentals of wireless communication and explains the web of concepts underpinning these advances at a level accessible to an audience with a basic background in probability and digital communication. Topics covered include MIMO (multi-input, multi-output) communication, space-time coding, opportunistic communication, OFDM and CDMA. The concepts are illustrated using many examples from real wireless systems such as GSM, IS-95 (CDMA), IS-856 (1 x EV-DO), Flash OFDM and UWB (ultra-wideband). Particular emphasis is placed on the interplay between concepts and their implementation in real systems. An abundant supply of exercises and figures reinforce the material in the text. This book is intended for use on graduate courses in electrical and computer engineering and will also be of great interest to practising engineers.

This book is for designers and would-be designers of digital communication systems. The general approach of this book is to extract the common principles underlying a range of media and applications and present them in a unified framework. Digital Communication is relevant to the design of a variety of systems, including voice and video digital cellular telephone, digital CATV distribution, wireless LANs, digital subscriber loop, metallic Ethernet, voiceband data modems, and satellite communication systems. New in this Third Edition: New material on recent advances in wireless communications, error-control coding, and multi-user communications has been added. As a result, two new chapters have been added, one on the theory of MIMO channels, and the other on diversity techniques for mitigating fading. Error-control coding has been rewritten to reflect the current state of the art. Chapters 6 through 9 from the Second Edition have been reorganized and streamlined to highlight pulse-amplitude modulation, becoming the new Chapters 5 through 7. Readability is increased by relegating many of the more detailed derivations to appendices and exercise solutions, both of which are included in the book. Exercises, problems, and solutions have been revised and expanded. Three chapters from the previous edition have been moved to the book’s Web site to make room for new material. This book is ideal as a first-year graduate textbook, and is essential to many industry professionals. The book is attractive to both audiences through the inclusion of many practical examples and a practical flavor in the choice of topics. Digital Communication has a Web site at : http://www.ece.gatech.edu/~barry/digital/, where the reader may find additional information from the Second Edition, other supplementary materials, useful links, a problem solutions manual, and errata.

Evolve2 85 works with all leading Unified Communications (UC) platforms, for truly seamless collaboration. If your UC platform of choice is Microsoft Teams, the Evolve2 85 is perfectly adapted and optimized to give you the best experience with the platform. When you finally find a headset that you just can't do without, it's good to know you don't have to. The result is an industry-leading 37-hour battery life (powered by that mighty little chipset again). Rest assured; Evolve2 85 will get you through the week.

Evolve2 85 works with all leading Unified Communications (UC) platforms, for truly seamless collaboration. If your UC platform of choice is Microsoft Teams, the Evolve2 85 is perfectly adapted and optimized to give you the best experience with the platform. When you finally find a headset that you just can't do without, it's good to know you don't have to. The result is an industry-leading 37-hour battery life (powered by that mighty little chipset again). Rest assured; Evolve2 85 will get you through the week.

You can experience crystal-clear communication with the Jabra Evolve 20SE UC Mono Headset, a professional-grade, corded mono headset designed specifically for VoIP softphone applications. Optimized for Unified Communication, this headset includes a USB adapter that ensures seamless PC integration, making it an ideal choice for professionals who require reliable and high-quality audio for calls and music.The Evolve 20SE UC Mono Headset stands out with its noise-canceling feature, adept at minimizing background noise, thus enhancing the clarity of your conversations. Whether you're immersed in a video conference or handling client calls, the superior sound quality ensures that every word is heard with precision.Managing your calls has never been easier, thanks to the intuitive in-line controller. With simple, accessible buttons, you can adjust the volume, mute your calls, or even answer and end conversations with a single touch-without the need to reach for your device. This user-friendly approach to call management streamlines your workflow and keeps you focused on the task at hand.The headset's Plug and Play connectivity offers a flexible and hassle-free setup. Simply plug the headset into the USB port on your laptop, and you're ready to go-no additional software or installation required. This feature is perfect for busy professionals who need a reliable headset that's ready to use at a moment's notice.Designed with your comfort in mind, the Evolve 20SE UC Mono Headset boasts soft leatherette ear cushions that provide a snug and comfortable fit, even during extended use. The adjustable headband allows you to customize the fit to your personal preference, ensuring all-day comfort and reducing listener fatigue.Stylish and durable, this headset not only meets your professional needs but also complements your workspace with its sleek design. The Jabra Evolve 20SE UC Mono Headset is more than just a headset-it's an investment in your workplace evolution, providing the reliability and audio quality that modern professionals demand.

Under the demands of today's dynamic work environments, the Jabra Evolve 80 USB-C UC Stereo Headset with Microphone stands out as a high-quality, professional audio solution designed to enhance focus and productivity. Certified for Skype for Business and compatible with all leading Unified Communications (UC) platforms, this headset is ideal for VoIP softphone, mobile phone, and tablet use, making it a versatile choice for professionals who require seamless connectivity across devices.Experience unparalleled noise cancellation with Jabra's advanced Active Noise Cancellation (ANC) technology, which expertly filters out low-frequency background noise, allowing you to concentrate without interruption. The headset's uniquely designed ear cushions add an extra layer of noise isolation, blocking out high-frequency sounds so you can immerse yourself in music or engage in phone calls with complete clarity.The noise-canceling microphone ensures that your voice is heard loud and clear, providing a superior communication experience for both you and the other party. With its durable build and stylish design, the Jabra Evolve 80 is not only a statement of sophistication but also a reliable tool for daily use.Setting up the Jabra Evolve 80 is a breeze with its simple plug-and-play functionality. Connect effortlessly to your laptop via USB port or 3.5mm jack, or directly to your smart device with the 3.5mm jack, and you're ready to go. The in-line control unit offers intuitive access to essential functions such as accepting calls, adjusting volume, and muting, all within easy reach.The headset's integrated busy light on the ear cups is a thoughtful feature that signals your availability to colleagues. By activating the red busy light, you can create your own concentration zone, minimizing distractions and maintaining focus on your tasks.Designed for all-day comfort, the Jabra Evolve 80 boasts leather-feel ear cushions and an around-the-ear design that ensures a comfortable fit, even during extended use. Whether you're navigating noisy airports, commuting, or simply enjoying your favorite tracks, this headset is the perfect travel companion, providing a sanctuary of sound wherever you go.In summary, the Jabra Evolve 80 USB-C UC Stereo Headset with Microphone offers more concentration, greater productivity, and an immersive sound experience. Its superior ANC, passive noise cancellation, and premium speakers deliver an exceptional audio experience, while its all-day comfort and compatibility with leading UC platforms make it an indispensable tool for anyone looking to stay in the zone and find inspiration through sound.

Take your audio experience to the next level with the Evolve 20SE MS Stereo Headset, a high-quality, durable, and stylish accessory designed for optimal comfort and advanced functionality. This professional-grade headset is certified for Skype for Business and optimized for Unified Communication, making it an ideal choice for VoIP softphone users. The Evolve 20SE MS Stereo Headset is more than just a headset; it's a revolution in workplace communication. With its superior sound quality, it enhances both your calls and music listening experience. This entry-level professional headset comes with an easy-to-use control unit that manages calls effectively, allowing you to make, take, and mute calls with ease. Experience clearer conversations and increased efficiency with this headset's noise-canceling feature. The in-line controller provides easy access to most-used functions like volume control and mute, and also allows you to answer and end calls swiftly and conveniently, directly from the control unit. The Evolve 20SE MS Stereo Headset offers flexible plug-and-play connectivity, working seamlessly right out of the box. Installation is as simple as plugging it into the USB port on your laptop or any device with a USB-A port. Designed with your comfort in mind, this headset features soft leatherette ear cushions and an adjustable headband for a perfect fit. Whether you're listening to music, taking calls, or making voice and video calls, the Evolve 20SE MS Stereo Headset delivers a comfortable, immersive listening experience.

Take your communication to the next level with the Pro 930 Duo Wireless Headset, a product of Jabra's innovative technology. This professional-grade wireless headset is designed for seamless integration with all leading Unified Communications (UC) platforms and softphones, offering plug-and-play convenience that requires no extensive installation expertise or training. The Pro 930 Duo is part of Jabra's Pro 900 Series, renowned for its user-friendly design and superior sound quality. It's an ideal choice for contact center agents and customer service advisors who need to stay connected with their customers without being tethered to their desks. This wireless DECT headset allows you to take calls directly from your desk phone, offering both DECT and Bluetooth versions. It comes in several mono and duo variants, catering to both desk phone and softphone users. Experience lifelike, vibrant conversations with the Pro 930 Duo's HD voice, noise-reducing speakers, and noise-canceling microphone. Jabra's SafeTone enhanced hearing protection technology ensures that your average volume exposure stays within safe acoustic standards throughout your workday. The Pro 930 Duo offers wireless freedom up to 120m (395') from your desk, enabling improved collaboration, multitasking, and productivity. It boasts a minimum of 8 hours of battery life, with easy charging via the base unit. The headset's intuitive design ensures fast user adoption. It features a lightweight frame, leatherette ear cushions, and an adjustable headband and microphone boom for all-day comfort. The headset comes with a pre-connected charging base for immediate use. The Pro 930 Duo is easy to deploy and manage, optimized for use with all leading desktop phone systems and Unified Communications platforms. Jabra Direct allows for full integration and remote call control with the latest softphones, while Jabra Xpress lets you configure all your company's audio devices from one central point. The Pro 930 Duo's features include Digital Signal Processing (DSP) for clearer sound, HD Voice for high-quality audio, a noise-canceling microphone for reduced background noise, and remote call control for seamless phone and headset integration. With the Pro 930 Duo, you can enjoy clear, crisp conversations, stay connected with your customers, and work comfortably and productively all day long.

Let the TOGGLE ROOMS USB 3.0/HDMI Device Switcher for 2x PCs revolutionize your meeting experience. This advanced switcher, designed for 4Kp60 pro-AV and unified communication systems, allows for seamless transitions between a Room PC and a laptop host. With this device, you can effortlessly control the room with just one cable. The TOGGLE ROOMS switcher supports 4Kp60 in both 16:9 and 21:9 widescreen formats via HDMI, ensuring high-quality visuals for your meetings. It offers flexible connectivity options, including USB-C with 100W power delivery or USB-B + HDMI, catering to a wide range of devices. This switcher is compatible with leading brands such as Crestron, Logitech, Lenovo, Poly, and MAXHUB, and supports popular video conferencing platforms like Teams and Zoom. It's designed and made in Canada, ensuring quality, reliability, and peace of mind with no driver required and TAA compliance. The TOGGLE ROOMS switcher also features a new Maestro device controller for easy configuration and updates. It facilitates hassle-free video conferencing management, allowing users to switch between peripherals in a flash. This device supports the Bring Your Own Device (BYOD) and Bring Your Own Meeting (BYOM) concepts, offering the flexibility of a push button or control pad for various meeting scenarios. It can switch 4 peripherals (3x USB + 1 display) between 2 hosts, redefining collaboration in the modern workspace. The TOGGLE ROOMS switcher integrates seamlessly into a Room PC environment, allowing users to connect peripherals and charge their laptops via versatile options. It's an ideal solution for unified video conferences across various settings, from huddle rooms to large boardrooms, classrooms, and auditoriums. This switcher supports automatic/manual host switching, up to 4Kp60 and 21:9 widescreen capability. It's compatible with USB cameras, videobars, and video conferencing audio devices, and offers control options via RS-232, IP control, and 2x GPI/relay control. The TOGGLE ROOMS USB 3.0/HDMI Device Switcher for 2x PCs is a cost-effective and reliable solution for your video conferencing needs. It's simple to install and connect, and offers multiple mounting options, visual LED status, and a switch button on the front of the devices for easy operation. Experience advanced video quality with automatic scaling and support for multiple devices on the same host. With the TOGGLE ROOMS switcher, you can unlock ultimate versatility in your meetings and collaborations.

How can you enhance your communication experience? The Jabra Pro 930 Duo MS Wireless Headset is the answer. This high-quality, durable headset is designed for seamless integration with all leading Unified Communications (UC) platforms, making it the perfect tool for professionals who value clear, uninterrupted communication. This innovative headset is certified for Skype for Business and offers plug-and-play convenience, eliminating the need for extensive setup or training. The Pro 930 Duo MS is part of the Pro 900 Series, a line of professional wireless headsets renowned for their superior sound quality and user-friendly design. The dual-ear design of this stylish headset ensures better coverage and a comfortable fit, making it ideal for contact center agents, customer service advisors, and anyone who needs hands-free communication. You can take calls from your desk phone directly on the headset, thanks to its DECT and Bluetooth capabilities. The Pro 930 Duo MS stands out with its HD voice, noise-reducing speakers, and noise-canceling microphone, all of which contribute to lifelike, vibrant conversations. The Jabra SafeTone enhanced hearing protection technology further ensures that your average volume exposure remains within acoustic standards throughout your working day. This wireless headset offers the freedom to walk and talk up to 120m (395') away from your desk, enhancing collaboration, multitasking, and productivity. With a minimum of 8 hours of battery life and easy charging via the base unit, you can stay connected all day. The intuitive design of the Pro 930 Duo MS includes a lightweight frame, leatherette ear cushions, and adjustable headband and microphone boom, ensuring all-day comfort. It's easy to deploy and manage, and is optimized for use with all leading desktop phone systems and UC platforms. With Jabra Direct, you can achieve full integration and remote call control with the latest softphones. Jabra Xpress allows you to easily configure all of your company's audio devices from one central point, future-proofing your headset investment with ongoing software updates. The Pro 930 Duo MS also features Digital Signal Processing (DSP) for clearer sound, reducing background noise and echo while protecting against sudden high peaks in volume. The result? Reduced call handling time and fewer misunderstandings. With the Jabra Pro 930 Duo MS Wireless Headset, you can enjoy crystal clear calls, up to 120m range, 8 hours of battery time, and the convenience of our most user-friendly professional wireless headset. It's the perfect choice for those who value clear, comfortable, and efficient communication.