Kategoria BISAC: Technology & Engineering >> Data Transmission Systems - General

The expansion of the Internet has been called the most revolutionary development in the history of human communications. It is ubiquitous and is changing politics, economics and social relations. Its borderless nature affects the roles of individuals, the magic of the marketplace and the problems of government regulation. As its development has increased apace, contradictions have arisen between existing regulatory regimes, private interests, government concerns, international norms and national interests. Unlike most areas where there are global institutions, and the role of governments...

Written by an expert in the field of telecommunications, this book describes the Inter-Asterisk Exchange protocol (IAX) and its operations, discussing the main characteristics of the protocol including NAT traversal, security, IPv6 support, interworking between IPv4 and IPv6, interworking with SIP and many others. The author presents the ways in which IAX can be activated so as to avoid complications such as NAT and the presence of intermediary boxes in operational...

Electronic services networks--systems of terminals and computers linked by telecommunication apparatus and used to process transactions--have had an increasing influence on industrial structures and commercial practices over the past decade. Margaret Guerin-Calvert and Steven Wildman have assembled diverse essays representing the best of current thinking on these networks. The book provides the reader with varied theoretical perspectives on ESNs and their effects on business and finance and contains five case studies that apply these theoretical ideas to issues raised by the proliferation...

Electronic mail and message handling is a rapidly expanding field which incorporates both telecommunications and computer technologies. It combines the old technologies of telex, telegram, and analog facsimile with the new systems of Teletex, digital facsimile, and computer-based messaging. This book answers the questions What is electronic mail? and Why is it important? The major systems, services, technology, and standardization issues are comprehensively surveyed.

Efficiency and cost effectiveness within multimedia delivery is fast becoming a hot topic in wireless communications, with mobile operators competing to offer inexpensive, reliable services. The selection of an appropriate technology and matching it with the offered mix of services will be essential to achieve the market success.

Multimedia Broadcasting and Multicasting in Mobile Networks discusses...

This book provides a comprehensive and practical overview of the technology behind Internet Telephony (IP), providing essential information to Network Engineers, Designers, and Managers who need to understand the protocols. Furthermore, the author explores the issues involved in the migration of existing telephony infrastructure to an IP - based real time communication service. Assuming a working knowledge...

The dynamics of the digital economy in the US, Europe and Japan are rather different. Some EU countries come close to the USA as the leading OECD country in the new economy, but Japan faces particular problems in catching-up digitally. Information and communication technology will affect productivity growth, production, the financial system and trade. Setting adequate rules for the digital economy - at the national and international level - is a key challenge for industrialized countries. Moreover, cultural and organizational challenges will also have to be met.