Support and maintain the IP Telephony systems. I was responsible for the following: Install software and systems hardware; troubleshoot, maintain, upgrade and solutions to complex hardware/OS problems. Resolve customer issues remotely, Create new telephone extension and ensure all calls are recorded and backup are available when required. Support and ensure that users have access to online Applications at all times. Perform backup using Veritas NetBackup and Backup exec. MS Exchange, Backup Management. Service Desk Management.