About the Technical Reviewers

David L Mallory, CCIE No. 1933, is a technical leader for Learning@Cisco, where he is responsible for content development strategy. For the last seven years, David has been primarily focused on UC certifications and was the technical lead for the Cisco 360 Learning Program for CCIE Voice. Prior to joining Learning@Cisco, David was a systems engineer supporting global accounts. David is a frequent presenter at Cisco Live and has obtained four CCIEs—Routing & Switching, WAN Switching, Security, and Voice.

Toby Sauer is the lead voice instructor and voice curriculum manager for Skyline Advanced Technology Services. He brings 30 years of experience in the traditional voice, data, and VoIP arenas. Toby has been involved ...

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