John M. Griffiths is the author of ISDN Explained: Worldwide Network and Applications Technology, 3rd Edition, published by Wiley.

• Preface to the Third Edition ixBiographies xiChapter 1 Network Evolution l1.1 The Telegraph 11.2 The Telephone Arrives 11.3 Telex 51.4 The Computer and the Transistor 61.5 Data Networks 71.6 Digital Telephony 81.7 The ISDN 91.8 Early ISDNs 101.9 International Standards 121.10 Open Systems Interconnect (OSI); the 7-layer Model 16References 18Questions 18Chapter 2 Pulse Code Modulation 192.1 Sampling 192.2 Coding 202.3 Compression 202.4 64 kbit/s Channels 22Reference 23Questions 21Chapter 3 The Integrated Digital Network 253.1 Multiplexing 253.2 Transmission 263.3 Switching 293.4 Remote Units 313.5 Signalling 33References 35Questions 36Chapter 4 Local Network Digital Transmission 37Peter Adams4.1 The Local Network 374.2 Cable Characteristics 394.3 Modulation 424.4 Equalization 444.5 Timing Recovery 464.6 Duplex Transmission 464.7 A Comparison of Transmission Techniques 494.8 Crosstalk Analysis 504.9 Impulsive Noise 514.10 Echo Canceller Structures 524.11 Echo Canceller Adaptation 544.12 Non-linearity 554.13 Jitter Performance 554.14 Dynamic Range 554.15 Transmitter Realization 574.16 Receiver Realization 574.17 Line Interfacing 574.18 USA Standard System 584.19 Modulation Format 584.20 Transmit Signal Specification 604.21 Local Network Transmission Outside USA 63Reference 63Questions 64Chapter 5 The Basic Rate ISDN Customer’s Interface 655.1 The Customer’s Installation John Hovell 655.1.1 Power feeding 675.1.2 Layer I of the user-network interface 685.1.3 The functions of Layer I 685.1.4 Binary organization of Layer I frame 695.1.5 Layer I D channel contention procedure 715.1.6 Layer I activation/deactivation procedure 715.1.7 Layer I physical implementation 725.2 Layer 2 Kevin Woollard 735.2.1 Layer 2 addressing 765.2.2 Layer 2 operation 785.2.3 Layer 2 error control 795.2.4 Disconnecting the LAP 815.2.5 TEI allocation 815.3 Layer 3 Derek Rumsey 825.4 Enhancement of Basic call Control Procedures 88David Davies5.4.1 Terminal selection 885.4.2 Bearer service 905.4.3 7 kHz telephony 925.4.4 Videotelephony 945.4.5 Access protocols for supplementary services 955.5 Relationship with CCITT Signalling System No 7 1005.6 Maintenance 1015.7 Testing and Approvals 102References 103Questions 105Chapter 6 Primary Rate ISDN Access 1076.1 Background 1076.2 Signalling 1086.3 Evolution of PABX Signalling 1096.4 International Standards for inter-PABX Signalling 110References 112Questions 113Chapter 7 Frame Mode Services John Atkins 1157.1 Store-and-forward Switching 1157.2 Datagrams and Virtual Circuits 1167.3 Flow and Congestion Control 1167.4 Standards 1187.5 Support of X.25 by an ISDN 1187.6 New ISDN Frame Mode Services 1207.7 Frame Format 124References 124Questions 126Chapter 8 ISDN Customer Premises Equipment and Applications 1278.1 High Quality Speech Paul Challener 1298.1.1 Speech coding using ADPCM 1308.1.2 Sub-band ADPCM for high quality speech 1338.2 Music Coding 1358.3 Facsimile Malcolm Jones 1378.3.1 Group 4 facsimile for ISDN 1398.3.2 Group 4 compression algorithm 1398.3.3 Facsimile terminal apparatus 1438.4 Photographic Videotex Graham Hudson 1448.4.1 Coding 1458.4.2 Discrete Cosine Transform (DCT) 1488.4.3 Functionality of the data compression technique 1518.4.4 ISO DCT conformance levels 1528.5 Video Geoff Morrison 1538.5.1 Source format 1548.5.2 Source coding 1558.5.3 Video multiplex coding 1588.6 Audiovisual Services and Embedded Data 1638.7 Customer Premises Equipment 165References 176Questions 177Chapter 9 Broadband ISDN 1799.1 N × 64 kbit/s 1799.2 H Channels 1849.3 Higher Rate Interfaces 1859.4 Synchronous Digital Hierarchy (SDH) Paul McDonald 1869.4.1 Virtual containers 1879.4.2 SDH frame structure 1889.4.3 Tributary units 1919.5 Asynchronous Transfer Mode (ATM) Richard Boulter 1949.5.1 Reference models 1969.5.2 Local access 1989.5.3 The user network Interface 1989.5.4 The protocol reference models (PRM) 1999.5.5 Signalling 2039.6 The Future 204References 204Questions 205Appendix A SDL 207Kevin WoollardA.1 Introduction to SDL 207A.2 SDL Specifications 208A.3 An Example of SDL Applied to Signalling Systems 218References 224Appendix B Answers to Questions 225Appendix C More Details of the ISDN Signalling Access Protocols 233C.1 Layer 1 Basic Rate Access 233C.2 Layer 2 242C.3 Layer 3 246ISDN Vocabulary 283Index 289