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Welcome to voip.about.com, your guide site to everything Voice Over IP, also called VoIP, IP Telephony or Internet Telephony. Learn how to make free or cheap local and international calls using your PC or phone. Stay updated on VoIP hows and whats, V...

VOIP information, troubleshooting and tutorials to correct faxing, voip quality issues (echo), and one-way audio problems. How to best configure your VoIP connection.

VoIP Troubleshooter provides online advice and diagnostic tools for network managers.

The Award Winning Business Phone Service over the Internet. OnSIP business VoIP service is a hosted pbx system that allows you to streamline your business communications. There’s no phone company hassle, no phone system to buy or manage, no contracts

TamoSoft develops cutting-edge security and network monitoring software for the Internet, LANs, and WLANs, providing clients with the ability and confidence to meet the challenges of tomorrow

Find the latest information on Network Management, Network Security, Network Design and more

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

Real-time, web-based network management software. Download trials & free network monitoring tools to detect, diagnose, resolve network & bandwidth issues with network maps, alerts and dashboards. WMI, SNMP monitoring with NetFlow analysis.