Ko Wing Hoi. / Duplicate numbering of leave 67. / Thesis (M.Sc.)--Chinese University of Hong Kong, 1992. / Includes bibliographical references (leaves 71-72). / Chapter 1. --- INTRODUCTION --- p.1 / Chapter 2. --- COMPARISONS OF LAN AND PABX --- p.3 / Chapter 2.1 --- Typical LAN system --- p.3 / Chapter 2.1.1 --- Characteristics of a LAN [1] --- p.3 / Chapter 2.1.2 --- Transmission medium of LAN --- p.5 / Chapter 2.1.3 --- LAN access control methods --- p.6 / Chapter 2.1.4 --- Interfacing to the LAN --- p.8 / Chapter 2.1.5 --- LAN topology --- p.8 / Chapter 2.1.6 --- Switching techniques --- p.9 / Chapter 2 .2 --- Applications of LAN --- p.11 / Chapter 2.2.1 --- Small filestore LAN's --- p.12 / Chapter 2.2.2 --- Wiring replacement LAN's --- p.12 / Chapter 2.2.3 --- Personal computer networks --- p.13 / Chapter 2.2.4 --- General purpose LAN's --- p.13 / Chapter 2 .3 --- Typical PABX system --- p.14 / Chapter 2.3.1 --- PABX topology --- p.15 / Chapter 2.3.2 --- Circuit switching --- p.15 / Chapter 2.3.3 --- Telephony signalling --- p.16 / Chapter 2.3.3.1 --- Pulsing --- p.16 / Chapter 2.3.3.2 --- Subscriber loop signaling [2] --- p.17 / Chapter 2.3.4 --- ISDN (Integrated Services Digital Network) --- p.19 / Chapter 2.4 --- Applications of PABX --- p.21 / Chapter 2.5 --- Comparisons of LAN and PABX --- p.22 / Chapter 3. --- INTEGRATION OF PABX WITH LAN --- p.25 / Chapter 3.1 --- Advantages of integration of PABX with LAN --- p.25 / Chapter 3.1.1. --- LAN-PABX Gateway --- p.28 / Chapter 3.1.2. --- Problems in interconnecting PABX and LAN [6] --- p.29 / Chapter 3.1.3. --- ISDN-PABX [7] --- p.30 / Chapter 3.2 --- Architecture of Integrated LAN and PABX --- p.31 / Chapter 3.3 --- Typical applications --- p.32 / Chapter 4. --- CALL PROCESSING --- p.35 / Chapter 4.1 --- Finite State Diagrams for voice calls --- p.37 / Chapter 4.2 --- SDL representations of voice calls --- p.39 / Chapter 4.3 --- Software implementations of SDL diagrams --- p.40 / Chapter 4.3.1 --- PABX operating system --- p.40 / Chapter 4.3.2 --- Trunk operating system --- p.43 / Chapter 4.3.3 --- Message format --- p.43 / Chapter 4.4 --- Pseudo codes for PABX --- p.45 / Chapter 4.4 --- Pseudo codes for trunks --- p.52 / Chapter 5. --- HARDWARE IMPLEMENTATION --- p.57 / Chapter 5.1 --- TRUNK INTERFACE --- p.58 / Chapter 5.1.1 --- PABX to CO call --- p.58 / Chapter 5.1.2 --- CO to PABX call --- p.59 / Chapter 5.2 --- Subscriber Interface Circuit --- p.59 / Chapter 5.4 --- PSTN Trunk Interf ace --- p.60 / Chapter 6. --- CONCLUSIONS --- p.62 / Acknowledgements --- p.64 / APPENDIX A --- p.65 / CCITT SPECIFICATION AND DESCRIPTION LANGUAGE [15] --- p.65 / APPENDIX B --- p.68 / "SIGNALLING FOR SWITCHING SYSTEMS IN HK [16],[17]" --- p.68 / Chapter B. 1 --- Tone plan --- p.68 / Chapter B. 2 --- Tone levels --- p.68 / Chapter B. 3 --- Ringing frequency and voltage --- p.68 / Chapter B. 4 --- Dial pulse --- p.68 / Chapter B. 5 --- DTMF (Dual-tone multi-frequency) --- p.69 / Chapter B. 6 --- PCM coding --- p.69 / REFERENCES --- p.71
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_319033 |
| Date | January 1992 |
| Contributors | Ko, Wing Hoi., Chinese University of Hong Kong Graduate School. Division of Information Engineering. |
| Publisher | Chinese University of Hong Kong |
| Source Sets | The Chinese University of Hong Kong |
| Language | English |
| Detected Language | English |
| Type | Text, bibliography |
| Format | print, 72, [17] leaves : ill. ; 30 cm. |
| Rights | Use of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/) |
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