Forum : https://forum.fhem.de/index.php/topic,29541.msg472029.html#msg472029
Forum : https://forum.fhem.de/index.php/topic,29541.msg472029.html#msg472029View Changes
Source: Forum : https://forum.fhem.de/index.php/topic,29541.msg472029.html#msg472029 (https://sourceforge.net/p/fhem/code/11809/)