No not Kasandra. That is working for iGO Primo and not with all versions. You Need
Voice_TTS-(ve)-Dutch-Claire-zervdim-v.9.128
Voice_TTS-Dutch-Xander-zervdim-v.9.128

or TTS 7
Voice_TTS-Pro-WinCE-Loquendo7-DutchNL-Saskia-zervdim-NG-v496000
Voice_TTS-Pro-WinCE-Loquendo7-DutchNL-Willem-zervdim-NG-v496000

Or use
lua-dri40-155mrf22 versions for TTS voices