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Dennis Hartmann on Cisco Unified Communications

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Cisco Unified Communications Manager call routing: All you need to know

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About Dennis Hartmann

RSS feed Dennis Hartmann's archive.

Dennis Hartmann, CCIE No. 15651, is a Unified Communications consultant and author of Implementing Cisco Unified Communications Manager, Part 1. Dennis is also a lead instructor at Global Knowledge. Dennis was first exposed to CallManager during the CallManager 2.0 time frame when Cisco acquired Selsius. Dennis has various certifications, including the Cisco CCVP, CCSI, CCNP, CCIP, and the Microsoft MCSE. Dennis has worked for various Fortune 500 companies, including AT&T, Sprint, Merrill Lynch, KPMG, and Cabletron Systems. He lives with his wife and children in Hopewell Junction, New York.

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