Darryl Sladden

Christina Hattingh, member of the technical staff in Cisco's Access Routing Technology Group (ARTG), has been involved with the Cisco 2600, 3600 and 3700 series platforms, among the first Cisco platforms to converge voice and data by offering TDM voice interfaces, WAN interfaces, critical QoS features, and call control elements. Darryl Sladden, a Cisco ARTG Product Manager, has been a key contributor to the AS5000 product, the Cisco Unified Border Element and several other Cisco VoIP technologies. ATM Zakaria Swapan, Cisco ARTG member of technical staff, has been a key contributor to Cisco's SIP development. He trains Cisco sales staff and advises customers on voice network deployment and design.