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Network Test is an independent engineering services consultancy. We test networking equipment and live networks. Our clients include equipment manufacturers, large enterprises, service providers, industry consortia, and trade publications. Independ...

GL Communications Specializes in PC-Based & Laptop-Based Telecommunications Testing and Measurement Products & Consulting Services

Techexams.net offers free resources for IT certifications including MCSE, MCTS, MCITP, Network+, Security+, CCNA, CCNP, CCIE, CISSP, and CWNA practice exams, study guides and forums

Accurately measure connection throughput and quality, analyze network route performance and efficiency, perform network assessment testing, measure connection quality for VoIP, IPTV and Video.

8x8, Inc. (Packet8) offers VoIP business phone service to small and medium sized business.

Tool Kits, Tool Cases, Datacom Tools, Telecom Tools... All for sale online at the Tecra Tools superstore

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...

In Depth Tutorials and Information

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Test equipment for wireless and wired data communication networks; WiFi / Ethernet traffic generator analyzer verifies and certifies access and edge network performance, mobility, security

Ixia is the Leader in Converged IP Testing and offers solutions for higher speed gigabit Ethernet as well as testing network performance, conformance, and enterprise applications, including layer 4-7, web-stressing, load balancing, VPN, MPLS and IPTV