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Author: A. Michael Noll Publisher: Artech House Communications Li ISBN: Category : Technology & Engineering Languages : en Pages : 408
Book Description
"Introduction to Telephones and Telephone Systems" provides a non-technical, easy-to-understand explanation of every major aspect of today's telecommunications systems perfect for telephone system managers, telecommunications sales professionals, and students. The book gives readers a comprehensive coverage of the four major areas of telephone systems--station apparatus, transmission, switching, signaling--plus fiber optics, PCS systems, regulatory issues and more.
Author: A. Michael Noll Publisher: Artech House Communications Li ISBN: Category : Technology & Engineering Languages : en Pages : 408
Book Description
"Introduction to Telephones and Telephone Systems" provides a non-technical, easy-to-understand explanation of every major aspect of today's telecommunications systems perfect for telephone system managers, telecommunications sales professionals, and students. The book gives readers a comprehensive coverage of the four major areas of telephone systems--station apparatus, transmission, switching, signaling--plus fiber optics, PCS systems, regulatory issues and more.
Author: A. Michael Noll Publisher: Artech House Publishers ISBN: Category : Technology & Engineering Languages : en Pages : 268
Book Description
The second edition contains updated and expanded chapters and many new illustrations. It places increased emphasis on digital technology and provides a new chapter on services.
Author: Lawrence Harte Publisher: Althos Incorporated ISBN: 9780974278728 Category : Computers Languages : en Pages : 96
Book Description
This book provides an introduction to the different types of private telephone systems, how they operate and common call processing features they offer. Private telephone systems are communication equipment and software that are owned, leased or operated by the companies that use these systems. Private telephone systems are converting from company unique (proprietary) circuit switched systems to industry standard packet data voice (IP Telephony) systems. You will learn the basics of IP Telephony voice over Internet protocol (VoIP) and why it is so important to private telephone systems. The fundamental parts of private telephone systems are described including telephone stations, local wiring, switching systems, and numbering plans are described and explained. The high growth market for private telephone systems and the key trends are covered providing you with an understanding of which system types are growing the fastest and how some systems are evolving to better compete in the industry. Covered are the different types of private telephone systems. You will discover how multiline key telephone systems (KTS) operate and why they are converting from mechanical systems to automated electronic controlled networks. You will learn how automatic switching systems are used by private branch exchange (PBX) systems to provide features and services not offered by public telephone companies. Explained are the ways private telephone systems can be operated (hosted) by other companies (Hosted PBX/Centrex) and how these systems can provide services similar to PBX telephone systems. Discover how telephone systems can be combined with company information systems using computer telephony integration (CTI). You will learn how IP PBX (iPBX) systems operate and why IPTX is the fastest growing area in private telephone systems. You will learn some of the ways private telephone systems are adding wireless capabilities and industry standard wireless private branch exchange (WPBX) systems. Important call processing features including distinctive ringing, call hold, call transfer, call pickup, line hunting and other features are described. Advanced private telephone system features are explained including automated attendant systems, automatic call distribution (ACD), Interactive voice response (IVR) and Voice mail (VM). A basic introduction to call centers is also included.
Author: Lawrence Harte Publisher: Althos Incorporated ISBN: 9780974278766 Category : Technology & Engineering Languages : en Pages : 56
Book Description
Public telephone networks are unrestricted dialing telephone networks that are available for public use to interconnect communications devices. This book describes the fundamentals of analog and digital telephone technology and communication and how the different types of analog and digital audio signals are described along with how their forms (PCM coding) differ in various parts of the world. You will learn about plain old telephone service (POTS) analog lines and integrated services digital network (ISDN) lines. The efficient GR-303 digital loop carrier (DLC) system is described along with how remote digital terminal (RDT) can allow a single communication line to provide telephone service for many businesses and homes. You will also learn how passive optical networks (PONs) are being used to deliver high capacity fiber optic communication to the premises (FTTP) communication lines direct to customers locations. The different types of switching systems are explained from circuit switched crossbar and time slot interchange (TSI) switches to packet voice and soft switches. You will learn how switches are interconnected with each other to form a global public telephone system. Multi-channel trunked lines are described including digital signaling (DS) lines, synchronous optical lines, and multi-channel optical (WDM) lines. You will learn how customers may lease lines or portions of communication lines for their own specific purposes. This book describes how telephone systems are controlled using signaling control messages, call processing, and SCP databases. You will learn about the different types of in-band tone signaling and of band common channel signaling system 7 (SS7). Also covered is how the public switched telephone network (PSTN) is beginning to use advanced intelligent network (AIN) to provide for advanced telephone service features. Explained are the key types of telephone voice, data, video and Centrex services. You will learn how customer care systems are transitioning from labor-intensive customer service representatives (CSRs) to services that are setup by customer self provisioning. Covered are the different types of digital subscriber line (DSL) including ADSL, ADSL2, HDSL, SDSL, and VDSL and how they connect the customer through digital subscriber line access modules (DSLAMs). You will learn that some DSL systems allow for the sharing of voice (analog) and digital (data) signals on the same line and how DSL data transmission capacity continues to increase to over 18 Mbps. You will discover why and how telephone system operators are converting their networks from circuit switched networks to packet voice systems. Find out how packet voice systems can offer the same or better quality of service (QoS) as traditional legacy systems.
Author: Jane Laino Publisher: CRC Press ISBN: 1482295555 Category : Computers Languages : en Pages : 347
Book Description
Whether you're an IT professional, a telecom professional, an office administrator, or just starting out in the business world, this book provides you with an organized, easy-to-use introduction to business telecommunications systems and services. It does
Author: Lawrence Harte Publisher: Althos Incorporated ISBN: 9780974694320 Category : Technology & Engineering Languages : en Pages : 52
Book Description
This book explains the different types of mobile telephone technologies and systems from 1st generation analog to 3rd generation digital broadband. It describes the basics of how they operate, the different types of wireless voice, data and information services, key commercial systems, and typical revenues/costs of these services. While new competition has provided lower cost services for consumers, it means a rapidly changing marketplace for the wireless industry. Some of these changes include the increase in mobile telephone customers from 300 million to 1.3 billion customers within 5 years and the shift of focus from adding new voice customers to providing advanced services such as data transfer, web browsing, and software downloads. The types of services that mobile telephone systems can offer vary depending on the technologies, devices, and the services selected by customers. This book discusses the different types of systems including 1st, 2nd, 2.5, and third generation wireless (3G). Some of the most important topics featured are: - Simple descriptions and diagrams of analog and digital mobile telephone systems- The key types of wireless services and which types of mobile telephone systems can offer them- The approximate usage fees for mobile telephone services- The market numbers and trends for mobile subscribers- How each mobile telephone system continues to change to offer new services and better compete against other mobile telephone technologies.- What are the key applications driving the mobile telephone market growth.- What are the next steps in mobile telephone systems such as 4G
Author: Gordon Gow Publisher: McGraw-Hill Education (UK) ISBN: 0335225551 Category : Technology & Engineering Languages : en Pages : 186
Book Description
The mobile information society has revolutionised the way we work, communicate and socialise. Mobile phones, wireless free communication and associated technologies such as WANs, LANs, and PANs, cellular networks, SMS, 3G, Bluetooth, Blackberry and WiFi are seen as the driving force of the advanced society. The roots of today's explosion in wireless technology can be traced back to the deregulation of AT&T in the US and the Post Office and British Telecom in the UK, as well as Nokia's groundbreaking approach to the design and marketing of the mobile phone. Providing a succinct introduction to the field of mobile and wireless communications, this book: Begins with the basics of radio technology and offers an overview of key scientific terms and concepts for the student reader Addresses the social and economic implications of mobile and wireless technologies, such as the effects of the deregulation of telephone systems Uses a range of case studies and examples of mobile and wireless communication, legislation and practices from the UK, US, Canada, mainland Europe, the Far East and Australia Contains illustrations and tables to help explain technical concepts and show the growth and change in mobile technologies Features a glossary of technical terms, annotated further reading at the end of each chapter and web links for further study and research Mobile and Wireless Communications is a key resource for students on a range of social scientific courses, including media and communications, sociology, public policy, and management studies, as well as a useful introduction to the field for researchers and general readers.
Author: David Gomillion Publisher: ISBN: 9788184042412 Category : Electronic book Languages : en Pages : 178
Book Description
Asterisk is a powerful and flexible open source framework for building feature-rich telephony systems. As a Private Branch Exchange (PBX) which connects one or more telephones, and usually connects to one or more telephone lines, Asterisk offers very advanced features, including station-to-station calls, line trunking, call distribution, call detail rerecords, and call recording.
Author: A. Michael Noll
Author: A. Michael Noll
Author: A. Michael Noll
Author: Lawrence Harte
Author: Institute of Hospital Engineering
Author: Lawrence Harte
Author: Jane Laino
Author: Lawrence Harte
Author: Jim Van Meggelen
Author: Gordon Gow
Author: David Gomillion