About the Author

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Joe Harris, CCIE No. 6200 (R&S, Security & SP) is a Systems Engineer with Cisco Systems® specializing in Security. In addition to authoring Cisco Network Security Little Black Book, Joe has also been a technical reviewer for several Cisco Press publications and written articles, white papers, and presentations on various security technologies. He also assists various Certification Partners by beta testing their newest CCIE certification workbooks and has been recognized by Cisco as an SE Wall of Fame award winner.

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EoL/EoS Announcement

November 21st, 2007 • Related • Filed Under

Cisco Systems announces the end-of-sale and end-of-life dates for the Cisco Unified CallManager 4.0. The last day to order the affected product is May 15, 2008. Customers with active service contracts will continue to receive support from the Cisco Technical Assistance Center (TAC) as listed in Table 1 in the EoL announcement. For more details, refer to: 

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