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Get product information, support, and news from Microsoft.

Microsoft Exchange Server portal for information of interest to corporate users of Microsoft Exchange and those who are just interested. Contains software, information, faqs, news, forums and more

Windows IT Pro is the leading independent community for IT professionals deploying Microsoft Windows server and client applications and technologies.

Brocade is an industry leader in data center networking solutions and services that enable organizations to manage their most vital information assets

Tom

ITPRO's contributing towards building IT in Africa

JDSU is a leading provider of optical products and test and measurement solutions for the communications industry. The JDSU technology portfolio is a key enabler for optical solutions in the broadband communications, brand enhancement and authenticat...

Informations, Trainings and Troubleshootings ressources on Microsoft Office Communications Server 2007, Office Communicator, Exchange 2007, VoIP, and telephony integration.

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

Ultimate Communications is all about a true Unified Communications experience by Tommy Clarke [Lync MVP]

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