dup_carrier_configuration_revision
  
  Description:
  [ 
Version ( since = 
"1.12" ) ]
public string dup_carrier_configuration_revision ()
  
    Gets a copy of the carrier-specific configuration revision in use, as reported by this Modem
      .
    Parameters:
    
    Returns:
    
      
        | The carrier configuration revision, or nullif none available. The returned value should be freed with 
            g_free. |