ISDN Explained Worldwide Network and Applications Technology Third Edition John M. Griffiths and the staff at BT Laboratories, UK ISDN (Integrated Services Digital Network) is now an established communications development and continues to replace modems as a fast transmission mechanism. This significantly updated and expanded third edition of ISDN Explained provides an overview of the principles and applications of ISDN operation and application. Building on the success of the first and second editions, this new version provides more detail on the broadband aspects and adds a complete reference section on the signalling access protocols that control an ISDN connection. Other features in this comprehensive guide include: - complete coverage of the increasing number of supplementary services and the embedded data channel - useful end of chapter questions with solutions included at the end of the text - listing of ISDN terms in French, German and Spanish. As a highly readable introductory guide to ISDN it suits all levels of understanding, and as an authoritative text it is ideal for students in engineering and computing. Practising communications engineers, electrical and electronic engineers and computer communications personnel will also find this essential reading. Visit Our Web Page! http://www.wiley.com/

Table of Contents:
Preface to the Third Edition ix Biographies xi Chapter 1 Network Evolution l 1.1 The Telegraph 1 1.2 The Telephone Arrives 1 1.3 Telex 5 1.4 The Computer and the Transistor 6 1.5 Data Networks 7 1.6 Digital Telephony 8 1.7 The ISDN 9 1.8 Early ISDNs 10 1.9 International Standards 12 1.10 Open Systems Interconnect (OSI); the 7-layer Model 16 References 18 Questions 18 Chapter 2 Pulse Code Modulation 19 2.1 Sampling 19 2.2 Coding 20 2.3 Compression 20 2.4 64 kbit/s Channels 22 Reference 23 Questions 21 Chapter 3 The Integrated Digital Network 25 3.1 Multiplexing 25 3.2 Transmission 26 3.3 Switching 29 3.4 Remote Units 31 3.5 Signalling 33 References 35 Questions 36 Chapter 4 Local Network Digital Transmission 37 Peter Adams 4.1 The Local Network 37 4.2 Cable Characteristics 39 4.3 Modulation 42 4.4 Equalization 44 4.5 Timing Recovery 46 4.6 Duplex Transmission 46 4.7 A Comparison of Transmission Techniques 49 4.8 Crosstalk Analysis 50 4.9 Impulsive Noise 51 4.10 Echo Canceller Structures 52 4.11 Echo Canceller Adaptation 54 4.12 Non-linearity 55 4.13 Jitter Performance 55 4.14 Dynamic Range 55 4.15 Transmitter Realization 57 4.16 Receiver Realization 57 4.17 Line Interfacing 57 4.18 USA Standard System 58 4.19 Modulation Format 58 4.20 Transmit Signal Specification 60 4.21 Local Network Transmission Outside USA 63 Reference 63 Questions 64 Chapter 5 The Basic Rate ISDN Customer’s Interface 65 5.1 The Customer’s Installation John Hovell 65 5.1.1 Power feeding 67 5.1.2 Layer I of the user-network interface 68 5.1.3 The functions of Layer I 68 5.1.4 Binary organization of Layer I frame 69 5.1.5 Layer I D channel contention procedure 71 5.1.6 Layer I activation/deactivation procedure 71 5.1.7 Layer I physical implementation 72 5.2 Layer 2 Kevin Woollard 73 5.2.1 Layer 2 addressing 76 5.2.2 Layer 2 operation 78 5.2.3 Layer 2 error control 79 5.2.4 Disconnecting the LAP 81 5.2.5 TEI allocation 81 5.3 Layer 3 Derek Rumsey 82 5.4 Enhancement of Basic call Control Procedures 88 David Davies 5.4.1 Terminal selection 88 5.4.2 Bearer service 90 5.4.3 7 kHz telephony 92 5.4.4 Videotelephony 94 5.4.5 Access protocols for supplementary services 95 5.5 Relationship with CCITT Signalling System No 7 100 5.6 Maintenance 101 5.7 Testing and Approvals 102 References 103 Questions 105 Chapter 6 Primary Rate ISDN Access 107 6.1 Background 107 6.2 Signalling 108 6.3 Evolution of PABX Signalling 109 6.4 International Standards for inter-PABX Signalling 110 References 112 Questions 113 Chapter 7 Frame Mode Services John Atkins 115 7.1 Store-and-forward Switching 115 7.2 Datagrams and Virtual Circuits 116 7.3 Flow and Congestion Control 116 7.4 Standards 118 7.5 Support of X.25 by an ISDN 118 7.6 New ISDN Frame Mode Services 120 7.7 Frame Format 124 References 124 Questions 126 Chapter 8 ISDN Customer Premises Equipment and Applications 127 8.1 High Quality Speech Paul Challener 129 8.1.1 Speech coding using ADPCM 130 8.1.2 Sub-band ADPCM for high quality speech 133 8.2 Music Coding 135 8.3 Facsimile Malcolm Jones 137 8.3.1 Group 4 facsimile for ISDN 139 8.3.2 Group 4 compression algorithm 139 8.3.3 Facsimile terminal apparatus 143 8.4 Photographic Videotex Graham Hudson 144 8.4.1 Coding 145 8.4.2 Discrete Cosine Transform (DCT) 148 8.4.3 Functionality of the data compression technique 151 8.4.4 ISO DCT conformance levels 152 8.5 Video Geoff Morrison 153 8.5.1 Source format 154 8.5.2 Source coding 155 8.5.3 Video multiplex coding 158 8.6 Audiovisual Services and Embedded Data 163 8.7 Customer Premises Equipment 165 References 176 Questions 177 Chapter 9 Broadband ISDN 179 9.1 N × 64 kbit/s 179 9.2 H Channels 184 9.3 Higher Rate Interfaces 185 9.4 Synchronous Digital Hierarchy (SDH) Paul McDonald 186 9.4.1 Virtual containers 187 9.4.2 SDH frame structure 188 9.4.3 Tributary units 191 9.5 Asynchronous Transfer Mode (ATM) Richard Boulter 194 9.5.1 Reference models 196 9.5.2 Local access 198 9.5.3 The user network Interface 198 9.5.4 The protocol reference models (PRM) 199 9.5.5 Signalling 203 9.6 The Future 204 References 204 Questions 205 Appendix A SDL 207 Kevin Woollard A.1 Introduction to SDL 207 A.2 SDL Specifications 208 A.3 An Example of SDL Applied to Signalling Systems 218 References 224 Appendix B Answers to Questions 225 Appendix C More Details of the ISDN Signalling Access Protocols 233 C.1 Layer 1 Basic Rate Access 233 C.2 Layer 2 242 C.3 Layer 3 246 ISDN Vocabulary 283 Index 289