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  If you dial a number and hear the message 'You are not authorized to call dialed destination' it means that dialed destination is not allowed for your xxtension. In order to change allowed destinations:
 - Login to the system administration
 - Navigate to 'Extensions'
 - Click on 'Edit' next to the extension
 - Click on 'Destinations'
 - Click on 'Set Destinations Manually'
 - Navigate through 'Remote Destinations', 'Local Destinations' and 'Other Networks' and set allowed destinations for that extensions
 - Click on 'Save'
 
  
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