get_carrier_configuration_revision
Description:
Gets the carrier-specific configuration revision in use, as reported by this Modem.
Warning: 
      
        
    
    The returned value is only valid until the property changes so it is only safe to use this function on the thread where this was constructed. Use dup_carrier_configuration if on another thread.
Parameters:
| this | A Modem. | 
Returns:
| The carrier configuration revision, or  |