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Digital Media: Voice, Video, Images, Quantities, Text
Digital Media: Voice, Video, Images, Quantities and Text The converged network carries all media: voice, video, text and images in packets. An essential first step is digitizing the media, representing it using 1s and 0s, to be carried in said packets. We’ll first understand analog vs. digital, how voice is digitized and reconstructed, the G.711 64 kb/s and AMR codec standards. The same principles apply to images and video in formats like jpg and mp4 video. We’ll make sure you are up to speed on binary and hexadecimal for quantities, and finish with ASCII and unicode for coding keystrokes and emojis. Telecom Module 6 Detailed Outline 6 Digital Media: Voice, Video, Images, Quantities, Tex...
Mobility
Mobility With a good foundation in place, we’ll cover mobile communications from A to Z: cellular principles, digital voice, phone calls to the PSTN and mobile Internet. This is where the money is! Wireless Module 2 Detailed Outline 2 Mobility 2.1 Mobile Network Components and Operation ...... 2.1.1 Mobile Network and Mobility ...... 2.1.2 Handset, SIM Card and IMSI ...... 2.1.3 Airlink, Base Station, Towers and Cells ...... 2.1.4 Mobile Telephone Switching Office ...... 2.1.5 Backhaul and Network Connections ...... 2.1.6 Incoming Call and Paging ...... 2.1.7 Mobility and Handoffs 2.2 Cellular Principles ...... 2.2.1 Coverage, Capacity and Mobility Requirements ...... 2.2.2 First Generatio...
LTE and 5G
LTE and 5G In the third Wireless module, we cover the 4G and 5G technology, understanding how both use OFDM for spectrum-sharing and OFDMA for simultaneous communication with many users. Wireless Module 3 Detailed Outline 3 LTE and 5G 3.1 4G LTE: Mobile Broadband ...... 3.1.1 Introduction ...... 3.1.2 LTE for the UTRAN ...... 3.1.3 Modems, Modulation, and How OFDM Moves 6-Bit Numbers Simultaneously to Different People on the Same Carrier ...... 3.1.4 Modulation ...... 3.1.5 Communicating Six Bits: Sending One of 64 QAM Signals ...... 3.1.6 Baud Rate Equal to Subcarrier Spacing ...... 3.1.7 LTE Specification and OFDMA ...... 3.1.8 3GPP Releases ...... 3.1.9 The Eventual Pivot To 5G Across the...
Telecom, Datacom and Networking for Non‐Engineers
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...
Fundamentals of Voice over IP
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. You’ll learn: • How voice is carried in packets end-to-end, • VoIP phones, • Call Managers and Softswitches, • Cloud Services, • SIP and SIP Trunking, • VoIP on LANs and WANs, and • The Future. VoIP Module 1 Detailed Outline 1. Fundamentals of Voice over IP 1.1 Introduction 1.2 VoIP Phones ...... 1.2.1 Computers That Look Like Telephones ...... 1.2.2 VoIP Phone Functions ...... 1.2.3 Quality of Service and Differentiated Services ...... 1.2.4 Computer as the Ter...
The Internet and Cloud Computing
The Internet, Cloud Computing and Data Centers The Internet, which started out as a way to send text email messages, is now worldwide converged broadband communications. In this module, we’ll understand what exactly an Internet Service Provider does, and how they get packets delivered world-wide. We’ll review web clients, browsers and apps, web servers, then understand the huge business of web services, cloud computing and data centers. You'll also learn about all the different types of VPN, and how SD-WAN services are Internet VPNs. We'll finish with a discussion of Net Neutrality. Telecom Module 4 Detailed Outline 4 The Internet and Cloud Computing 4.1 A Network to Survive Nuclear War ...
Legacy Technology: All About T1
Legacy Technology: All About T1 This module provides detailed information on the carrier system technology called T1. T1 used to be a principal subject of telecommunications courses, but is now relegated to the back of the book, as T1 is a technology running at 1.5 Mb/s on copper wires, replaced with Gigabit/s Optical Ethernet on fiber. That said, there are thousands of T1 circuits installed and in use, and some readers of this book have picked it precisely to learn about T1 because they have been tasked with supporting it, or auditing an existing installation. Power companies, the military and government still have T1s in place, along with T1s at big organizations that are no longer being u...
The PSTN and Broadband on Copper
The PSTN and Broadband on Copper Before wireless and fiber, two copper wires were used for the physical access circuit for telephone and cable TV service in suburbs and cities. Today, these wires are also used to deliver broadband. In this module, we’ll understand how DSL broadband service runs on twisted pairs put in place for analog POTS telephone service; how cable modems move broadband on coaxial cable; and how both are delivered as fiber to the neighborhood then copper to the premise. To finish up, we’ll review digital on copper wires: LAN cables and T1s. Telecom Module 9 Detailed Outline 9 The PSTN and Broadband on Copper 9.1 The Public Switched Telephone Network ..... 9.1.1 Basic ...
MPLS and Carrier Networks
MPLS and Carrier Networks IP packets will be used to carry everything, including phone calls and television. But IP in itself does not include any way to prioritize or manage IP packets, to guarantee call quality or video quality. In the core of a carrier’s network, MPLS is used to implement those functions. In this module, you’ll learn the basics of carrier networks and the important concept of a Service Level Agreement. Then you’ll gain a practical understanding of how MPLS works and how it is used by carriers to implement VPNs, different Classes of Service, service integration and traffic aggregation. Telecom Module 15 Detailed Outline 15 MPLS and Carrier Networks 15.1 Introduction ...
SIP Trunking & Carrier Connections
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 ...
