Archive for December, 2005

How to find real human customer services in US telcos

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™.

Posted in Uncategorized

China's Telecommunications Market: Entering a New Competitive Age

China\'s Telecommunications Market: Entering a New Competitive Age 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.

Posted in Books, Business

IP Telephony: Deploying Voice-over-IP Protocols

IP Telephony: Deploying Voice-over-IP Protocols 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.

Posted in Books, Communication Technology, VoIP

Optical Bit Error Rate: An Estimation Methodology

Optical Bit Error Rate: An Estimation Methodology 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.

Posted in Books, Optical

Robust Communications Software: Extreme Availability, Reliability and Scalability for Carrier-Grade Systems

Robust Communications Software: Extreme Availability, Reliability and Scalability for Carrier-Grade SystemsCarrier-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.

Posted in Books, Communication Technology

Pricing Communication Networks: Economics, Technology and Modelling

Pricing Communication Networks: Economics, Technology and Modelling 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.

Posted in Books, Business

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