Exchange 2007 Unified Messaging Cmdlets overview.

• Unified Messaging Cmdlets
  Unified Messaging Server Cmdlets
  Unified Messaging Mailbox Cmdlets
  Unified Messaging Hunt Group Cmdlets
  Unified Messaging Dial Plan Cmdlets
  Unified Messaging Auto Attendant Cmdlets
  Unified Messaging IP Gateway Cmdlets
  Unified Messaging Mailbox Policy Cmdlets
  Unified Messaging Mailbox PIN Cmdlets
  Unified Messaging Troubleshooting and Monitoring Cmdlets
  Unified Messaging Virtual Directory Cmdlets