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SIP Trunking & Carrier Connections This module is all about connecting to carriers to communicate VoIP phone calls, both carrier-to-carrier connections and business-to-carrier SIP trunking. You'll learn how competitive carriers terminate VoIP phone calls on Local Exchange Carriers using the switched access tariff and tandem access trunks. We'll understand why this will be a native VoIP connection in the future, and the role of Session Border Controllers. Then we'll understand how a business system can connect its locations and to the PSTN using SIP Trunking services, and the advantage over the legacy ISDN PRI PBX trunks. VoIP Module 5 Detailed Outline 5. SIP Trunking and Carrier Connections 5.1 Carrier-to-Carrier Connection via Tandem Access Trunks ...... 5.1.1 Internet VSP to LEC ...... 5.1.2 Generalized Carrier-Carrier Example ...... 5.1.3 Competitive Long-Distance 5.2 Carrier-to-Carrier VoIP Interconnection ...... 5.2.1 Native VoIP Interconnect ...... 5.2.2 Issues to Resolve 5.3 Session Border Controllers ...... 5.3.1 MPLS Core ...... 5.3.2 SIP Trunking ...... 5.3.3 Security, Lawful Intercept and Call Routing ...... 5.3.4 Spam Filtering 5.4 PBX Trunks and Gateways ...... 5.4.1 Business Phone System – PSTN Connectivity ...... 5.4.2 Legacy PBXs and PBX Trunks ...... 5.4.3 Replacing the PBX with a Softswitch ...... 5.4.4 Using a Gateway ...... 5.4.5 Intelligent Gateway Invisible to the Softswitch 5.5 Megaco: Softswitch Controlling the Gateway ...... 5.5.1 Non-Intelligent Gateway ...... 5.5.2 Softswitch Tells The Gateway What to Do ...... 5.5.3 Media Gateway Control Protocol (Megaco) 5.6 SIP Trunking ...... 5.6.1 PBX Trunk Replacement ...... 5.6.2 Advantages ...... 5.6.3 Challenges
VoIP 101 is designed for the non-engineering professional needing an overview and update, and for those new to the business needing to get up to speed quickly. VoIP 101 covers all major topics in Voice over IP – in plain English. From fundamentals to softswitches and SIP trunking, we’ll explain the jargon and the technologies, and more importantly, the underlying ideas. Based on training courses developed, refined and tuned over many years, the selection of material, its order and emphasis in VoIP 101 is proven and field-tested to bring you the knowledge of Voice over IP you need. Understanding what everything does and how it all works together allows you to be more accurate, eliminates frustration with buzzwords, and gives you confidence to make meaningful contributions. You have the added advantage of knowing what someone is talking about, even if you’re not familiar with the exact details of the variation they’re discussing. Don't be the one person in the room who isn't up to speed! Your employer (or prospective employer) will be interested to hear you have this solid foundation of knowledge that project- and product-specific knowledge can be built on, getting you up to speed quickly… then having the versatility to subsequently work on different projects. VoIP 101 has six chapters covering all aspects of Voice over IP, including all the different ways VoIP is implemented, how calls are set up with softswitches and SIP, how voice is packetized, the factors affecting sound quality, connecting to carriers and SIP trunking, and network quality with MPLS, Service Level Agreements and Class of Service: 1 Fundamentals of Voice over IP A complete introduction to everything Voice over IP. You'll learn the fundamental ideas and principles of a VoIP telephone system, the jargon and buzzwords, and how it all works together. 2 VoIP Architectures and Implementation Choices Next is a comprehensive overview of the many flavors of VoIP, comparing and contrasting the various implementation and architecture choices. 3 Softswitches, SIP, Call Setup and SIP Trunking This chapter is all about SIP, and how it is used to set up phone calls: what SIP is, how it works, jargon like proxy server and location server, how SIP fits in with softswitches and call managers, and trace the establishment of a VoIP phone call using SIP and DNS, step by step. 4 Voice Packetization, Codecs and Voice Quality The "nuts and bolts" of Voice over IP: how the voice is digitized and coded, time stamps applied with the RTP protocol, and how the result is carried in UDP, IP packets and MAC frames. 5 SIP Trunking & Carrier Connections This chapter is all about connecting to carriers to communicate VoIP phone calls, both carrier-to-carrier connections and business-to-carrier SIP trunking. 6 IP Network Quality: CoS, QoS, MPLS and SLAs The last chapter in VoIP 101 focuses on the network service provided by carriers to move VoIP packets, and how network traffic is identified, managed and prioritized, resulting in Class of Service offerings to meet Service Level Agreements. VoIP 101 is intended to be read sequentially, building ideas on top of ideas. The detailed Table of Contents makes it also useful as a day-to-day reference handbook. Our goal is to explain the big picture, the jargon and buzzwords, and put in place a very solid base of VoIP knowledge spanning fundamentals to the latest technologies and how they are deployed – in plain English. Let’s get started!
Certification study guide and companion reference textbook for the TCO Certified VoIP Analyst (CVA) courses and exams. The CVA Study Guide corresponds directly to the CVA online courses and exams. For each lesson, detailed text notes are provided along with the main graphic. Many people find they learn better with a companion book. Printed in color! Get a complete understanding of Voice over IP and SIP, with CVA Certification to prove it. CVA covers all aspects of Voice over IP, including all the different ways VoIP is implemented, how calls are set up with softswitches and SIP, how voice is packetized and the factors affecting sound quality, connecting to carriers and SIP trunking, and network quality with MPLS, Service Level Agreements and Class of Service. The Certified VoIP Analyst Certification includes six online courses and exams: 2221 Fundamentals of Voice over IP 2222 VoIP Architectures and Implementation Choices 2223 Softswitches, SIP, Call Setup and SIP Trunking 2224 Voice Packetization, Codecs and Voice Quality 2225 SIP Trunking and Carrier Connections 2226 IP Network Quality: CoS, QoS, MPLS AND SLAs This knowledge enables a CVA to stand out from the rest, with demonstrated broad and deep vendor-agnostic knowledge of VoIP systems and best practices. This kind of knowledge enables higher-paying positions performing analysis, writing reports, making recommendations and providing effective, value-added contributions in project management, business and product development, software design, sales, marketing and finance. Invest in yourself with the CVA Certification Package from Teracom Training Institute! The CVA Certification Package Unlimited Plan includes the six CVA online courses and the TCO CVA Certification Exam, both with unlimited repeats – which means guaranteed to pass, and refresh your knowledge anytime. Get up to speed on all major topics, at your own pace. Understand the fundamentals, technologies, jargon, buzzwords and most importantly, the underlying ideas ... and how it all fits together. Plus, get your Telecommunications Certification Organization (TCO) Certified VoIP Analyst (CVA) Certification to prove it! Upgrade your skills – and your résumé – with this training and certification today!
The telecommunications industry has advanced in rapid, significant and unpredictable ways into the 21st century. Global Networks: Design, Engineering and Operation guides the global industry and academia even further by providing an in-depth look at the current and developing trends, as well as examining the complex issues of developing, introducing, and managing cutting-edge telecommunications technologies. The author draws upon his considerable experience in the telecommunications industry to educate engineers designing equipment and systems on the hardware and software features essential to fault tolerant operation. He describes how to design networks that are fault tolerant and global in scope; how to identify best engineering and operations practices; and examines the role of technology labs in carrier networks. Software and hardware engineering practices are covered in depth. Hardware and software designs are explained with an emphasis on application and interaction of craft and operators with equipment and systems. The author proposes that equipment, systems and network designs should be integrated with the engineering and operations teams that run them. Practice, experience and a historical background are used to describe which designs and technologies fit which network services and applications. Global Networks is a complete and thorough assessment of the communications industry today, written by an author of international renown. Key features: Comprehensive treatment of the key theories and technologies associated with the design of modern communications networks, including equipment, systems and network design Coverage of equipment and software design, mobile networks, integration and the characteristics of large network outages Written in an accessible style and fully illustrated, it offers a complete and up-to-date picture of communications technologies from initial design through to application Includes a section on future challenges such as the Exabyte traffic growth and an assessment of the dual roles of IPV4 and IPV6
Eight in One! Telecom, Datacom and Networking for Non-Engineers is a subset of the 550-page Telecom 101, stripped down to the core: eight chapters corresponding to the eight CTNS courses, key chapters delivering the core telecommunications and telecom network knowledge needed by anyone serious in telecom today – in plain English: 1 Introduction to Broadband Converged IP Telecom 2 Wireless Telecommunications 3 Fundamentals of Voice over IP 4 The PSTN 5 OSI Layers and Protocol Stacks 6 LANs, VLANs, Wireless and Optical Ethernet 7 IP Addresses, Packets and Routers 8 MPLS and Carrier Networks Based on the world-renowned TCO CTNS certification courses, training developed, refined and tuned over many years, the selection of material, its order and emphasis is proven and field-tested to bring you the knowledge you need. Our approach can be summed up with a simple philosophy: Start at the beginning. Progress in a logical order. Build one concept on top of another. Finish at the end. Avoid jargon. Bust the buzzwords, demystify jargon, and cut through doubletalk. Fill in the gaps, build a solid base of knowledge, put a structure in place, and show how everything fits together... knowledge and understanding that lasts a lifetime. Understanding what everything does and how it all works together allows you to be more accurate, eliminates frustration with buzzwords, being left out of discussions, giving you confidence to make meaningful contributions. You have the added advantage of knowing what someone is talking about, even if you’re not familiar with the exact details of the variation they’re discussing. Telecom, Datacom and Networking for Non-Engineers is ideal for anyone needing a book covering the essential core knowledge in telecommunications in plain English. In one book, you get consistency, completeness and unbeatable value: a wealth of clear, concise, organized knowledge, impossible to find in one place anywhere else. Telecom, Datacom and Networking for Non-Engineers, has two parts; first, a deep dive into Telecom: Introduction to Broadband Converged IP Telecom Wireless Telecommunications Fundamentals of Voice over IP and The PSTN then a deep dive into Datacom and Networking: OSI Layers and Protocol Stacks LANs, VLANs, Wireless and Optical Ethernet IP Addresses, Packets and Routers and MPLS and Carrier Networks Let’s get started!
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.
This is a problem-solution approach to take your FreeSWITCH skills to the next level, where everything is explained in a practical way. If you are a system administrator, hobbyist, or someone who uses FreeSWITCH on a regular basis, this book is for you. Whether you are a FreeSWITCH expert or just getting started, this book will take your skills to the next level.
This book is the study guide and textbook for the TCO Certified Telecommunications Network Specialist (CTNS) Certification, conforming to the lessons in the eight CTNS courses and their exams: 2241 Introduction to Broadband Converged IP Telecom 2206 Wireless Telecommunications 2221 Fundamentals of Voice over IP 2201 The PSTN 2212 OSI Layers and Protocol Stacks 2211 LANs, VLANs, Wireless and Optical Ethernet 2213 IP Addresses, Packets and Routers 2214 MPLS and Carrier Networks The selection of material, its order, timing, and explanations are field-tested to deliver the core knowledge set for today’s telecommunications. The courses deliver a solid foundation of knowledge in broadband, telecom, datacom and networking: the fundamentals, technologies, jargon and buzzwords, standard practices and most importantly, the underlying ideas, and how it all fits together… with TCO Certification to prove it! The first four CTNS courses are on telecommunications, beginning with Introduction to Broadband Converged IP Telecom, an introduction and first pass through all of the topics; followed by Wireless Telecommunications, then Introduction to Voice over IP, and The PSTN. The second half of CTNS is four courses focusing on the three main enabling technologies for the modern telecom network: Ethernet, IP and MPLS. We begin with the OSI model and its Layers to establish a framework for understanding what each does and how they work together... and all the other things that have to be done. This book is intended to enhance your learning and retention while taking the online courses. It is also useful as a day-to-day reference handbook and glossary. Our goal is to explain the big picture, the jargon and buzzwords, and put in place a very solid base of telecom knowledge spanning fundamentals to the latest technologies and how they are deployed – in plain English. Let's get started!
“Annabel Dodd has cogently untangled the wires and switches and technobabble of the telecommunications revolution and explained how the introduction of the word ‘digital’ into our legislative and regulatory lexicon will affect consumers, companies and society into the next millennium.” – United States Senator Edward J. Markey of Massachusetts; Member, U.S. Senate Subcommittee on Communications, Technology, Innovation, and the Internet “Annabel Dodd has a unique knack for explaining complex technologies in understandable ways. This latest revision of her book covers the rapid changes in the fields of broadband, cellular, and streaming technologies; newly developing 5G networks; and the constant changes happening in both wired and wireless networks. This book is a must-read for anyone who wants to understand the rapidly evolving world of telecommunications in the 21st century!” – David Mash, Retired Senior Vice President for Innovation, Strategy, and Technology, Berklee College of Music Completely updated for current trends and technologies, The Essential Guide to Telecommunications, Sixth Edition, is the world’s top-selling, accessible guide to the fast-changing global telecommunications industry. Writing in easy-to-understand language, Dodd demystifies today’s most significant technologies, standards, architectures, and trends. She introduces leading providers worldwide, explains where they fit in the marketplace, and reveals their key strategies. New topics covered in this edition include: LTE Advanced and 5G wireless, modern security threats and countermeasures, emerging applications, and breakthrough techniques for building more scalable, manageable networks. Gain a practical understanding of modern cellular, Wi-Fi, Internet, cloud, and carrier technologies Discover how key technical, business, and regulatory innovations are changing the industry See how streaming video, social media, cloud computing, smartphones, and the Internet of Things are transforming networks Explore growing concerns about security and privacy, and review modern strategies for detecting and mitigating network breaches Learn how Software Defined Networks (SDN) and Network Function Virtualization (NFV) add intelligence to networks, enabling automation, flexible configurations, and advanced networks Preview cutting-edge, telecom-enabled applications and gear–from mobile payments to drones Whether you’re an aspiring network engineer looking for a broad understanding of the industry, or a salesperson, marketer, investor, or customer, this indispensable guide provides everything you need to know about telecommunications right now. This new edition is ideal for both self-study and classroom instruction. Register your product for convenient access to downloads, updates, and/or corrections as they become available.
FreeSWITCH is an open source carrier-grade telephony platform designed to facilitate the creation of voice, chat, and video applications, via phones and web browsers. It is scalable, carrier-ready, and easy-to-program for converged communication and VoIP. The technology serves SIP, WebRTC, PSTN, FAX, PBX, VERTO, and all the relevant channels essential to stay connected in today's world. In the FreeSWITCH 1.6 Cookbook, members of the FreeSWITCH development team share some of their hard-earned knowledge with you. Use this knowledge to improve and expand your FreeSWITCH installations.