A suggestion, not tested. Try to read the current value as text:

if (devicechanged['Voice_Data']) then

CurrentText = tostring(otherdevices_svalues['Voice_Data'])

if (CurrentText == '1') then

etc. The same problem.
When value = 1 repeat execution
When value = 2 to do Nothing...
Looks like ...

I am a novice, and my English is very poor, please do not laugh at!
Well, I created a text device in domoticz, is used to obtain a number coming from ESPEasy, I hope to achieve with the script in domoticz, judging whether the number change, according to the number of executive action.
But when I use ...