| Preface | p. vii |
| Centrex in Review | p. 1 |
| Introduction to Centrex | p. 1 |
| Development of Digital Centrex | p. 1 |
| Attractions of Centrex | p. 4 |
| Marketing of Centrex | p. 5 |
| Data through Centrex | p. 7 |
| Some Concerns with Centrex | p. 7 |
| Evaluating Centrex | p. 8 |
| Centrex Systems and Features | p. 11 |
| Voice Systems and Subsystems | p. 11 |
| ATandT's Centrex-Isdn | p. 12 |
| Advanced Business Services (GTE) | p. 16 |
| Meridian Digital Centrex (Northern Telecom) | p. 19 |
| Ewsd Isdn Centrex (Siemens) | p. 23 |
| Extended Services Package (Stromberg-Carlson) | p. 24 |
| Voice Mail | p. 27 |
| Key Telephone Systems | p. 28 |
| Features with Centrex | p. 29 |
| Management of Centrex Systems | p. 33 |
| Management Packages and Systems | p. 33 |
| System Administration | p. 33 |
| System Management | p. 35 |
| Network Management | p. 38 |
| Data Communication Through Centrex | p. 41 |
| Centrex-based Lans | p. 41 |
| Metropolitan Area Networks | p. 42 |
| CO-LAN Systems | p. 42 |
| Centrex and Isdn | p. 47 |
| Linking Centrex and Isdn | p. 47 |
| Evolution of Isdn | p. 47 |
| Access to Isdn | p. 48 |
| Isdn Reference Configuration | p. 49 |
| Isdn Services | p. 50 |
| Signaling through Isdn | p. 51 |
| Isdn Benefits | p. 51 |
| Status of Isdn | p. 51 |
| Isdn Field Trials | p. 53 |
| Evaluating Centrex Systems | p. 57 |
| Financial Analysis | p. 57 |
| Multilocation Case Study | p. 58 |
| Single-Site Case Study | p. 64 |
| Technical Considerations | p. 66 |
| Checklist of Questions | p. 67 |
| Centrex in Financial Services | p. 69 |
| Centrex in Banks | p. 69 |
| Wells Fargo Stayed with Centrex | p. 69 |
| Implementing Centrex at the Toronto-Dominion Bank | p. 71 |
| Saving on Costs | p. 72 |
| Other Options | p. 74 |
| Citibank Rejects Centrex Service | p. 74 |
| Centrex in Retailing | p. 77 |
| Retail Chains | p. 77 |
| Networking Advantages | p. 77 |
| Limitations and Problems | p. 79 |
| Effect of Centrex | p. 80 |
| Centrex in Government and Universities | p. 81 |
| Major Centrex market | p. 81 |
| Statewide Centrex | p. 81 |
| Centrex or Pbx | p. 82 |
| Personnel Considerations | p. 83 |
| Digital Network | p. 83 |
| Large-scale Effectiveness | p. 84 |
| Centrex in County Government | p. 85 |
| Implementing a Centrex System | p. 87 |
| Users' Groups | p. 87 |
| Training for Centrex | p. 88 |
| Installing a Centrex System | p. 88 |
| Electronic Key Telephone Systems for Centrex | p. 91 |
| Management Systems and Packages: Suppliers | p. 93 |
| Voice Messaging Systems for Centrex | p. 95 |
| Local Transmission and Remote Systems for Centrex | p. 97 |
| Glossary of Centrex System Features | p. 99 |
| List of Acronyms and Abbreviations | p. 103 |
| Table of Contents provided by Syndetics. All Rights Reserved. |
ISBN: 9780890063309
ISBN-10: 0890063303
Series: Artech House Telecommunication Library
Audience:
Professional
Format:
Hardcover
Language:
English
Number Of Pages: 120
Published: 19th October 1988
Dimensions (cm): 22.9 x 15.2
x 1.1
Weight (kg): 0.351