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The Essential Guide to Telecommunications

by: Dodd, Annabel Z.

The Essential Guide to Telecommunications

by: Dodd, Annabel Z.

ISBN 13:
9780130649072
ISBN 10:
0130649074
Edition: 3rd
Format: Paperback
Copyright: 01/01/2002
Publisher: Prentice Hall Ptr
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Summary

Covering the latest trends and technology changes, this is the fully updated and revised bestselling guide to telecommunications for the nontechnical professional. Includes sections on convergence, globalization, speech recognition, and 3G cellular networks.

Preface

xxiii

Acknowledgments

xxv

Part 1 Fundamentals

Basic Concepts

(42)

Analog and Digital

(8)

Analog Signals

(1)

Digital Signals

(6)

Bauds, Bits, Bytes and Codes--Getting Down to Basics

(2)

Overview

(1)

Baud Rate vs. Bits per Second--Electrical Signal Rates vs. Amount of Information Sent

(1)

Codes--Adding Meaning to Bits

(1)

A Byte = A Character

(1)

Bandwidth--Measuring Capacity

(2)

Narrowband vs. Wideband--Slow and Fast

(1)

Compression and Multiplexing

(8)

Compression--Manipulating Data for More Capacity

(2)

Streaming Media

(3)

Multiplexing--Let's Share

(2)

Protocols and Architectures

(3)

Architectures--A Framework for Multiple Networks to Communicate

(2)

LANs, MANs and WANs

(17)

LANs--Local Area Networks

(1)

LAN and WAN Devices

(5)

Home LANs--Sharing Printers and High-Speed Internet Access--A Lack of Technical Support

(2)

MANs--Metropolitan Area Networks

(1)

WANs--Wide Area Networks

(1)

Higher Speed Services for LAN Traffic

(1)

New Devices for Carrier and Internet Service Provider Networks

(6)

Telephone Systems, Peripherals and Cabling

(48)

Telephone Systems--PBXs, Centrex and Key Systems

(16)

What Is a PBX?

(1)

PBX Trunks

(1)

Demarcation--The Location Where Telcos Wire Trunks

(1)

PBX Telephones

(1)

Centrex--Telephone Company Supplied Service

(3)

Key Systems

(1)

Wireless PBX and Key System Telephones--On-Site Mobility

(4)

Direct-Inward Dialing--Bypassing the Operator for Incoming Calls

(1)

Convergence and Telephone Systems

(5)

Add-on Peripherals for Key Systems, PBXs and Centrex Systems

(9)

Call Accounting--Tracking Calls and Usage

(8)

ACDs--Specialized Equipment to Handle Large Volumes of Calls

(8)

Network-Based ACD Functions

(1)

LAN/PBX/ACD Connectivity to Enhance Productivity

(1)

Customer Relationship Management (CRM) for Call Centers

(2)

Integrated Voice Response Units--Using the Telephone as a Computer Terminal

(3)

Computer Telephony Integration (CTI)--Routing Callers More Intelligently

(1)

Media: Wireless, Fiber and Unshielded Twisted Pair Copper

(13)

Wireless LANs

(2)

Electrical Properties of Copper Cabling

(1)

Fiber Optic Cabling--High Capacity and High Costs

(9)

Part 2 Industry Overview

The Bell System and Regulatory Affairs

(42)

The Bell System Prior to and after 1984

(8)

Divestiture of the Bell System from AT&T in 1984

(3)

Regional Bell Operating Companies (RBOCs) after 1996

(3)

Transporting Calls Between Carriers

101

(2)

Local Competition Prior to the Telecommunications Act of 1996

103

(5)

Uneven Competition for Local Telephone Service Throughout the U.S.

103

(1)

Competitive Access Providers (CAPs) to Competitive Local Exchange Carriers (CLECs)

103

(4)

The Evolving View of the Feasibility of Local Competition

107

(1)

Factors Leading to Passage of the Telecommunications Act of 1996

108

(2)

Regional Bell Companies' Desire to Expand Their Offerings

108

(1)

Interexchange Carriers', Utility and Cable TV Companies' Desires to Enter New Markets

108

(1)

Demand for High-Speed Telecommunications Services

109

(1)

Technological Capabilities to Provide High-Speed Services at Low Costs

109

(1)

The Viability of Wireless Services for Local Exchange Service

109

(1)

The Desire for a Uniform National Policy on Local Competition

110

(1)

The Telecommunications Act of 1996

110

(7)

Major Features of the Act

111

(6)

Post Telecommunications Act of 1996 Developments

117

(10)

FCC Rullings, Legal Challenges and Progress Toward Deregulation

117

(1)

Permission for RBOCs to Sell In-Region Long Distance

118

(2)

Unbundled Network Elements (UNEs)--Competitors Leasing Parts of RBOCs' Networks

120

(1)

Fines Levied on Incumbents for Failure to Provide Timely Access to Competitors

121

(1)

Reciprocal Payments

121

(1)

Local Access Fees--A Shift in Balance Between Local and Long Distance Costs

122

(1)

Local Number Portability

123

(1)

Creating an Equal Playing Field and Conserving Numbers

123

(1)

Four Types of Telephone Number Portability

123

(4)

Impact of the Telecommunications Act of 1996

127

(2)

Appendix

129

(6)

Network Service Providers and Local Competition

135

(40)

Local Competition

137

(18)

Strategies for Entering the Local Calling Market--Resale, Wireless, Cable TV and Construction of Facilities

148

(7)

Carriers

155

(3)

Interexchange Carriers--IEXs

156

(2)

Bandwidth Trading: The Commoditization of Bandwidth

158

(3)

Merchants--Managing Risk for Carriers

159

(1)

Exchanges--A Place to Make Trades

160

(1)

Master Trading Agreements--Shortening the Transaction Cycle

161

(1)

Local Service Providers

161

(12)

AT&T

161

(2)

Competitive Local Exchange Carriers (Integrated Communications Providers)

163

(4)

Resellers and Switchless Resellers

167

(2)

Building Local Exchange Carriers (BLECs)

169

(1)

Agents

170

(3)

Summary

173

(2)

The Public Network

175

(64)

Switched Services--Local and Long Distance Calling

177

(7)

Attributes of Real-Time Switching Services

178

(5)

DTMF: Access to Voice Mail and Computers

183

(1)

Store-and-Forward Switching--Nonsimultaneous Sending and Receiving

184

(1)

Dedicated Services

184

(9)

Overview of Dedicated Services

185

(3)

Network Topologies--The View from the Top

188

(4)

Declining Sales of Private Lines

192

(1)

Virtual Private Networks--Connectivity for Remote Access, Intranets and Extranets

193

(4)

VPNs (Virtual Private Networks) for Electronic Commerce

194

(1)

VPNs for Intranet Service

194

(1)

Virtual Private Networks (VPNs) for Remote Access

195

(1)

Security on Virtual Private Networks

196

(1)

``The Last Mile'' or Access Networks

197

(6)

End and Tandem Central Offices

199

(2)

Digital Loop Carrier Systems--Fiber Optics and Copper Cabling in the Last Mile

201

(1)

Carrier Hotels--Interconnecting Carrier and Providing Secure Space for Equipment

202

(1)

Optical Networking

203

(9)

Passive Optical Networks

204

(3)

Optical Add and Drop Multiplexers (OADM)

207

(1)

Optical Cross Connects (OXC)--Optical Switches

208

(4)

Network Intelligence and Signaling

212

(9)

Overview of Signaling

213

(2)

Background

215

(3)

Common Channel Signaling, Efficiency and Redundancy

218

(1)

Signaling System 7--The Glue for Links Between Carriers

218

(2)

SS7 Components

220

(1)

Convergence--Technical Advances Leading to Improvements in IP Networks

221

(8)

Improvements in Routers

222

(1)

Digital Signal Processors (DSPs)

223

(1)

Voice Compression

224

(1)

Higher Capacity Networks--Optical Technologies

224

(1)

Softswitches--Programmable Switches

225

(2)

The Quality of Service Issue for Voice over IP

227

(1)

SS7 in Packet Networks

228

(1)

Examples of Converged Networks

229

(4)

Free Calls or Low Priced Calls over the Internet

231

(1)

H.323--A Way to Make Telephone Calls over IP

232

(1)

Prepaid Calls over the Internet

232

(1)

Document Sharing and Click to Talk

233

(2)

Document Sharing

233

(2)

Summary

235

(4)

Part 3 Advanced Technologies, The Internet and Wireless

Specialized Network Services

239

(52)

T-1--24 Voice or Data Paths over One Telephone Circuit

243

(7)

Channel Banks--Connecting T-1 to Analog PBXs and Central Offices

244

(1)

DS-0 and DS-1--64,000 or 56,000 vs. 1,544,000 bps

244

(1)

Media Used for T-1 Signals

245

(1)

European vs. American and Japanese T-1--24 vs. 30 Channels

246

(1)

A Sampling of T-1 Configurations Using T-1 for Combining Voice, Fax, Video and Data

247

(1)

Fractional T-1--When 24 Paths Are Not Required

248

(1)

T-3--The Capacity of 28 T-1 Lines, 672 Channels

249

(1)

An Explanation of Time Division Multiplexing and Its Limitations

249

(1)

ISDN--Integrated Services Digital Network

250

(7)

Basic Rate Interface ISDN--Two Channels at 64,000 Bit per Second

253

(1)

Primary Rate Interface ISDN--24 Channels

254

(3)

Digital Subscriber Line Technology

257

(10)

Competitive local exchange carriers (CLECs) and DSL

261

(1)

Incumbent Telephone Company DSL Offerings

262

(1)

DSLAMs--Digital Subscriber Line Access Multiplexers

262

(1)

Obstacles to Digital Subscriber Line Availability--Cost, Ease of Implementation and Availability

263

(3)

DSL Lite--Lower Cost Service

266

(1)

DSL--A Technical Explanation

266

(1)

Frame Relay--A Shared Wide Area Network Service

267

(4)

Connections to Frame Relay--Frame Relay Access Devices and Access Line Speeds

269

(1)

Frame Relay for Transmitting Voice

270

(1)

Frame Relay Pricing--Ports, Circuits and Committed Information Rate

270

(1)

Potential Congestion on Frame Relay

271

(1)

Interfacing Between Carriers' Frame Relay Networks

271

(1)

Gigabit Ethernet--Ethernet over Fiber in Metropolitan Areas

271

(5)

Gigabit Ethernet Providers--OLECs

272

(1)

Gigabit Ethernet Through Partners

273

(1)

Gigabit Ethernet Availability

273

(1)

The Advantages of Using Ethernet

273

(1)

Speed Options--Bandwidth on Demand

274

(1)

Gigabit Ethernet Features at Lower Prices

275

(1)

A Sample Metropolitan Area Gigabit Ethernet Configuration

275

(1)

ATM--Asynchronous Transfer Mode

276

(7)

Fixed-Sized Cells--Less Processing

278

(1)

Switching in Hardware--Less Address Lookup

278

(1)

Asynchronous Switching--Improving Network Utilization

278

(1)

Bursting--Selling More Than the Total Capacity

279

(1)

Scalability--The Ability to Use ATM for High- and Low-Speed Applications and IP Traffic

279

(1)

Elements of an ATM Network

280

(3)

SONET--Synchronous Optical Network

283

(8)

Synchronous Digital Hierarchy (SDH) and SONET

284

(1)

SONET Functions--The Four Layers

285

(1)

SONET Rings--For Greater Reliability

286

(1)

Telephone Company SONET Offerings

287

(1)

SONET Connections to Wave Division Multiplexers

288

(1)

Meshed Optical Technology--Lower Costs, More Suitable for Data than SONET

289

(2)

Analog, Cable TV and Digital Modems and Set-Top Boxes

291

(24)

Transferring Data from Computers to Telephone Lines

292

(2)

DCE--Connections to Telephone Lines

294

(1)

Modems--Analog Telephone Lines for Transmitting Data from Digital Devices

295

(4)

Fax Modems

296

(1)

56-Kbps Modems to Achieve Higher Speeds

296

(3)

PCMCIA Modems--Smaller Is Better

299

(1)

NT1S--Connecting Devices to an ISDN Line

299

(1)

CSU/DSUs--Connecting Devices to a Digital Line

300

(1)

Cable Modems--Using Cable TV Facilities for Data Communications

301

(6)

Reverse Channels for Two-Way Data Communications

302

(1)

Cable Modems

302

(3)

Cable Modems for Business and for Remote Access

305

(2)

Set-Top Boxes

307

(4)

Interoperable Set-Top Boxes

308

(2)

Digital Cable TV

310

(1)

Appendix: Modem Standards

311

(4)

The Internet

315

(56)

The History of the Internet

317

(6)

Bulletin Board Systems (BBSs)

319

(1)

Who Runs the Internet?

319

(1)

Who Owns the Internet?

320

(1)

Peering--A Way to Exchange Data Between Networks

320

(1)

Content Delivery Networks (CDNs) and Caching--Solving the Problem of Bogged-Down Web Sites

321

(1)

Internet Services

322

(1)

The World Wide Web--Linking and Graphics

323

(7)

Hypertext Markup Language (HTML)--Formatting Web Pages

324

(1)

Home Pages

325

(2)

Hosting--Computers Connected to the Internet with Home Pages

327

(1)

Browsers---Moving from Web Site to Web Site

328

(2)

Email---Computers that Send, Store and Receive Messages

330

(5)

Email Attachments---To Aid Collaborative Projects

331

(1)

HTML Email as a Marketing Tool

332

(1)

Instant Messaging---Real-Time Text Chats

333

(2)

Internet Service Providers, Application Service Providers and Portals

335

(7)

Dialup and Dedicated Internet Access

336

(2)

Application Service Providers (ASPs)

338

(1)

Portals---Content as Well as Internet Access

338

(4)

Search Engines

342

(4)

Internet Addresses

346

(3)

Registries---Management of Entire Top-Level Domains

346

(1)

Registrars

347

(1)

Numeric IP Addresses

347

(1)

The Structure of Internet Addresses and Adding Capacity for More Addresses

347

(1)

New Generic Top-Level Domains (gTLDs)

348

(1)

Country Code Top-Level Domain Names (ccTLDs)

349

(1)

Electronic Commerce and Advertising on the Web

349

(5)

Advertising on the Web---A Source of Revenue

350

(1)

Online Commerce---What Is Profitable and Sells?

351

(3)

Privacy on the World Wide Web

354

(3)

Opt-out vs. Opt-in---Different Approaches to Protecting Privacy

356

(1)

Legal Issues

357

(4)

Post-Napster Music Industry Online Efforts

358

(1)

The Digital Millennium Copyright Act (DMCA)---Royalties for Radio over the Internet

359

(1)

Anti-pornography Laws and Freedom of Speech

359

(2)

Filtering Software---Policing Corporate Browsing and Email

361

(1)

Open Cable---Cable Companies as Both ISPs and Network Service Providers

361

(4)

ISP Service for Cable TV

361

(1)

Open Cable Service---Trialing Connections to Other IPS

362

(3)

Intranets and Extranets

365

(2)

Intranets---Impact of Web Technology on Internal Operations

365

(1)

Extranets---Using Internet Technology with Customers, Partners and Vendors

366

(1)

Security on the World Wide Web---Establishing Trust

367

(3)

Public and Private Keys and Digital Certificates

368

(1)

Firewalls and Tunneling

368

(1)

Making the Internet a Trusted Place to Do Business

369

(1)

Conclusion

370

(1)

Wireless Services

371

(48)

Historical Background of Mobile and Cellular Services

376

(1)

Spectrum Allocation

377

(2)

Spectrum for Higher Speed 3G Services

378

(1)

Cellular Telephone Service---Technologies

379

(5)

Advanced Mobile Phone Services (AMPS)

379

(1)

Digital-Advanced Mobile Phone Service---D-AMPS

380

(1)

PCS---Personal Communications Services

381

(1)

GSM Service

382

(1)

Specialized Mobile Frequencies for Voice---Nextel

383

(1)

Cellular Vendors

384

(3)

Verizon Wireless

384

(1)

Cingular Wireless

384

(1)

AT&T Wireless

385

(1)

GSM Providers

385

(1)

Sprint PCS

386

(1)

The Structure of Cellular Networks

386

(1)

The Cellular Market

387

(12)

Efforts to Improve Service---Antenna Improvements

389

(1)

Health Concerns

390

(1)

Safety on the Road

391

(3)

Privacy and Advertising Intrusions on Cellular E911

394

(1)

Called Party Pays---An Impediment to Cellular Usage

395

(2)

Limited Mobility Wireless for Local Telephone Service

397

(1)

Wireless Number Portability---Keeping the Same Number When Changing Carriers

398

(1)

Limitations of Circuit-Switched Cellular for Data Communications

398

(1)

CDPD---Cellular Digital Packet Data, IP Wireless

398

(1)

The Transition from Second to Third Generation Cellular Networks

399

(7)

The Transition to W-CDMA-GPRS---Data Carried as Packets in 2.5G Networks

401

(1)

EDGE-Enhanced Data Rates for GSM Evolution

402

(1)

Upgrades to W-CDMA from GSM---Costly

402

(1)

The Transition to cdma2000---1xRTT (First Generation cdma2000) and HDR (High Data Rate)

403

(1)

A Comparison Between W-CDMA and cdma2000

404

(1)

Handsets for 3G and 2.5G Services

405

(1)

All-Packet Cellular Networks for Voice and Data

406

(1)

4G---Futures

406

(1)

Mobile Internet Access, Messaging Services and Bluetooth

406

(3)

Mobile Commerce

407

(1)

Short Messaging Service (SMS)

407

(1)

Bluetooth

408

(1)

The Wireless Application Protocol (WAP)

408

(1)

i-mode Service Worldwide

409

(1)

Specialized Mobile Radio---Originally Voice, Later Data

409

(2)

Private Networks over Mobile Radio Frequencies

410

(1)

Specialized Mobile Radio---Packetized Data Networks for Two-Way Email and Field Services

410

(1)

Paging Services

411

(2)

Paging vs. Wireless Telephone Service

412

(1)

Two-Way Paging Using Narrowband PCS

412

(1)

Satellites

413

(3)

VSAT Service---Small Satellite Dishes

414

(2)

Vendors of LEOs

416

(1)

Time Division Multiple Access, GSM and Code Division Multiple Access Air Interfaces

416

(3)

Code Division Multiple Access

418

(1)

Time Division Multiple Access and GSM

418

(1)

Globalization

419

(56)

The Impetus to Deregulate

421

(3)

Steps in Deregulation

421

(1)

Challenges

422

(1)

Trends in Global Markets

422

(2)

Latin America

424

(13)

Brazil

424

(5)

Mexico

429

(1)

Argentina

430

(3)

Impact of Poverty

433

(4)

Asia

437

(16)

China

437

(5)

Japan

442

(7)

The Internet

449

(1)

Cellular Service

450

(3)

Europe

453

(18)

The European Union

453

(2)

Cellular Service

455

(2)

Germany

457

(3)

The United Kingdom

460

(2)

France

462

(9)

Africa and the Middle East---Emerging Markets

471

(2)

Africa

472

(1)

The Middle East

472

(1)

Conclusion

473

(2)

Glossary

475

(12)

Bibliography

487

(2)

Index

489

Amazon no longer offers textbook rentals. We do!

The Essential Guide to Telecommunications

The Essential Guide to Telecommunications

9780130649072

0130649074

Summary

Author Biography

Table of Contents

Supplemental Materials

Write a Review

Amazon no longer offers textbook rentals. We do!

The Essential Guide to Telecommunications

The Essential Guide to Telecommunications

9780130649072

0130649074

Summary

Author Biography

Table of Contents

Supplemental Materials

Write a Review

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