Introduction to Telephones & Telephone Systems

Introduction to Telephones & Telephone Systems
Author: A. Michael Noll
Publisher: Artech House Publishers
Total Pages: 268
Release: 1991
Genre: Technology & Engineering
ISBN:

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.

Asterisk

Asterisk
Author: Jim Van Meggelen
Publisher: "O'Reilly Media, Inc."
Total Pages: 602
Release: 2007-08-28
Genre: Computers
ISBN: 0596510489

Provides information on Asterisk, an open source telephony application.

Introduction to Telephones and Telephone Systems

Introduction to Telephones and Telephone Systems
Author: A. Michael Noll
Publisher: Artech House Communications Li
Total Pages: 408
Release: 1998
Genre: Technology & Engineering
ISBN:

"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.

America Calling

America Calling
Author: Claude S. Fischer
Publisher: Univ of California Press
Total Pages: 442
Release: 1992
Genre: History
ISBN: 0520086473

Annotation 'In his study of the telephone in American society, Fishcer confronts the most significant, but also the most difficult, question we can ask about a new technology--what differences did it make in the lives of its users?'Roland Marchand

Mobile Design and Development

Mobile Design and Development
Author: Brian Fling
Publisher: "O'Reilly Media, Inc."
Total Pages: 336
Release: 2009-08-14
Genre: Computers
ISBN: 1449379249

Mobile devices outnumber desktop and laptop computers three to one worldwide, yet little information is available for designing and developing mobile applications. Mobile Design and Development fills that void with practical guidelines, standards, techniques, and best practices for building mobile products from start to finish. With this book, you'll learn basic design and development principles for all mobile devices and platforms. You'll also explore the more advanced capabilities of the mobile web, including markup, advanced styling techniques, and mobile Ajax. If you're a web designer, web developer, information architect, product manager, usability professional, content publisher, or an entrepreneur new to the mobile web, Mobile Design and Development provides you with the knowledge you need to work with this rapidly developing technology. Mobile Design and Development will help you: Understand how the mobile ecosystem works, how it differs from other mediums, and how to design products for the mobile context Learn the pros and cons of building native applications sold through operators or app stores versus mobile websites or web apps Work with flows, prototypes, usability practices, and screen-size-independent visual designs Use and test cross-platform mobile web standards for older devices, as well as devices that may be available in the future Learn how to justify a mobile product by building it on a budget

Packet Guide to Voice Over IP

Packet Guide to Voice Over IP
Author: Bruce Hartpence
Publisher: "O'Reilly Media, Inc."
Total Pages: 243
Release: 2013
Genre: Computers
ISBN: 1449339670

"A system administrator's guide to VoIP technologies"--Cover.