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Authorized Self-Study Guide: Implementing Cisco Unified Communications Manager, Part 1 (CIPT1) by Dennis Hartmann

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About the Author

Dennis J. Hartmann, CCIE No. 15651, is a Unified Communications consultant. 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. Dennis lives with his wife and children in Hopewell Junction, New York.

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