{exclusive_decode,
  {'MEDIA-GATEWAY-CONTROL',
    [{decode_MegacoMessage_exclusive,['MegacoMessage',[{authHeader,undecoded},{mess,[{mId,undecoded},{messageBody,undecoded}]}]]},
     {decode_Message_version,['Message',[{mId,undecoded},{messageBody,undecoded}]]}]}}.
{selective_decode,
	{'MEDIA-GATEWAY-CONTROL',
	   [{decode_MegacoMessage_selective,['MegacoMessage',mess,version]}]}}.