get_allowed_auth
Description:
Gets the authentication methods allowed in the connection.
Parameters:
| this | 
Returns:
| 
           a bitmask of BearerAllowedAuth values, or UNKNOWN to request the modem-default method.  | 
      
Gets the authentication methods allowed in the connection.
| this | 
| 
           a bitmask of BearerAllowedAuth values, or UNKNOWN to request the modem-default method.  |