December 28th, 2005
Paul English did an interesting project on how to find real human customer services through 800 toll free system. Read more for list of US telcos. For other industries, visit The IVR Cheat Sheet™.
December 24th, 2005
Before the 1990s, China’s telecommunications sector was a lackluster monopoly featured by poor-quality service and inadequate capacity. Today the country boasts a dynamic telecommunications industry with the world’s largest communications network and user-base with over 460 million telephone subscribers. China’s accession to the WTO in 2001 has opened this huge developing telecommunications market to foreign participation and investment.
December 22nd, 2005
IP (internet protocol) Telephony, enabled by softswitches, is going to usher in a new era in telecommunications. By putting voice and data over one IP network, operators can enjoy lower costs and create new, revenue-generating “multimedia” services.
This valuable reference offers a comprehensive overview of the technology behind IP telephony and offers essential information to network engineers, designers and managers who need to understand the protocols and explore the issues involved in migrating the existing telephony infrastructure to an IP-based real time communication service.
December 22nd, 2005
This book provides an analytical methodology to the estimation of bit error rate of optical digital signals. This presents an extremely important subject in the design of optical communications systems and networks, yet previous to the publication of this book the topic had not been covered holistically.
The text lays out an easy-to-understand analytical approach to a highly important and complex subject: bit error rate (BER) estimation of a transmitted signal with a focus on optical transmission. It includes coverage of such important topics as impairments on DWDM optical signals, causes of signal distortion, and identification and estimation of the signal quality by statistical estimation of the bit error rate. The book includes numerous illustrations and examples to make a difficult topic easy to understand. This edition includes a CD-ROM with run-time simulations from a vendor that provides commercial software for the industry.
December 22nd, 2005
Carrier-grade software must satisfy the stringent quality requirements of network operators whose systems provide mission-critical communications services. This book describes proven carrier-grade software techniques used in flagship products designed by industry leaders such as Lucent, Nortel, and Ericsson.
In the age of 24/7, software robustness is a competitive advantage. This authoritative guide for software engineers, managers, and testers of products that face carrier-grade requirements helps you to develop state-of-the-art software that will give you an edge in today’s marketplace.
December 18th, 2005
Traditionally engineers devised communication services without reference to how they should be priced. In today’s environment pricing is a very complex subject and in practice depends on many parameters of the actual market - including amount of traffic, architecture of the network, technology, and cost. The challenge is to provide a generic service model which accurately captures aspects such as quality and performance, and can be used to derive optimal pricing strategies.
December 15th, 2005
A new section, Telecommunication Jobs, is added to the site today. It pulls latest job postings from Simply Hired, ComputerWork, and CareerJet.
December 14th, 2005
This book provides a complete overview of connection-oriented networks, discussing both packet-switched and circuit-switched networks, which, though seemingly different, share common networking principles. It details the history and development of such networks, and defines their terminology and architecture, before progressing to aspects such as signaling and standards. There is inclusive coverage of SONET/SDH, ATM networks, Multi-Protocol Label Switching (MPLS), optical networks,
access networks and voice over ATM and MPLS.
December 13th, 2005
Wireless channels are becoming more and more important, with the future development of wireless ad-hoc networks and the integration of mobile and satellite communications. To this end, algorithmic detection aspects (involved in the physical layer) will become fundamental in the design of a communication system.
This book proposes a unified approach to detection for stochastic channels, with particular attention to wireless channels. The core idea is to show that the three main criteria of sequence detection, symbol detection and graph-based detection, can all be described within a general framework. This implies that a detection algorithm based on one criterion can be extended to the other criteria in a systematic manner.
December 12th, 2005
The book provides an insight into the exciting world of new technologies and points the way ahead towards a new era of IT solutions. It describes complex interrelations in a clearly comprehensible way. Concrete examples show you how companies can meet the challenges of the future and seize their opportunities. This book is a must for all those who understand future-oriented IT solutions, who can take the initiative
and who want to enhance their market value.
