Cisco VoIP Professional with experience in troubleshooting/implementation of Cisco Voice Over IP telephony system including Cisco Unified Communications Manager, Cisco Unity Voice Messaging Systems and Cisco Wireless Networking. Also expertise with Microsoft Windows Server, Active Directory (2000/2003) and Exchange Server 2000/2003 and 2007 environments. Cisco VoIP Professional with experience in troubleshooting/implementation of Cisco Voice Over IP telephony system including Cisco Unified Communications Manager, Cisco Unity Voice Messaging Systems and Cisco Wireless Networking. Also expertise with Microsoft Windows Server, Active Directory (2000/2003) and Exchange Server 2000/2003 and 2007 environments.