Dennis Hartmann

Dennis Hartmann, CCVP, CCIE No. 15651, is a technologist with White Pine Communications. He also teaches training classes through a Cisco training partner, Global Knowledge. Dennis Hartmann was first exposed to Cisco CallManager in the 2.0 time frame while working at a Fortune 500 financial company. He has been providing training and consulting services around CallManager since the 3.0 product time frame. Dennis is the author of Cisco Self-Study: Building Cisco Metro Optical Networks (METRO) ...See more

Dennis Hartmann, CCVP, CCIE No. 15651, is a technologist with White Pine Communications. He also teaches training classes through a Cisco training partner, Global Knowledge. Dennis Hartmann was first exposed to Cisco CallManager in the 2.0 time frame while working at a Fortune 500 financial company. He has been providing training and consulting services around CallManager since the 3.0 product time frame. Dennis is the author of Cisco Self-Study: Building Cisco Metro Optical Networks (METRO) (Cisco Press). Dennis holds a BA degree from Pace University. See less