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As a leading international provider of fiber-based communications services, Level 3 Communications offers a broad service portfolio and one of the world

The premier news and information source on wireless communications, enabling intelligence on all things wireless for industry leaders and enterprise volume buyers. First with carrier, distributor, network, handset and mobile content news.

XO Communications provides cutting edge Business Telecommunications technology. Learn more about Business Telecommunications from XO Communications.

AT&T Enterprise is the leading provider of enterprise networking, mobility and digital media solutions, enabling global collaboration through enterprise application management and networking services including Telepresence and cloud storage.

YouTube is a place to discover, watch, upload and share videos.

IT Best Practices, How-tos, Product Reviews, discussions, articles for IT Professionals in small and medium businesses

Cisco (NASDAQ: CSCO) is the worldwide leader in networking that transforms how people connect, communicate and collaborate.

North American Network Operators Group (NANOG) is an educational and operational forum for the coordination and dissemination of technical information related to backbone/enterprise networking technologies and operational practices.