Does "say" with mod_flite work anymore?

S

some1has2

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Dec 19, 2025
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It seems that mod_flite doesn't work out of the box, as I got an error in the logs "Invalid speech module [flite]!" and looking around these forums found no solutions.

So I followed the instructions on SignalWire to get it installed but the module won't turn on due to error "/usr/lib/freeswitch/mod/mod_flite.so: undefined symbol: register_cmu_us_slt" which lead me to an open bug report on the FS GitHub with no help.

My question is for the masses here: is it worth digging even harder into to get TTS working with "say:"? The official IVR YouTube implies it should just work, but running the latest fresh install didn't even give me mod_flite to make this work, I had to manually go try and load that up with the make files.

I'm wondering if there's another tool that's supposed to be used and this old information is outdated, or if I should've installed everything a different way to be able to do commands like "apt install freeswitch-mod-flite" that don't work (I don't have an apt repository for freeswitch and the base instructions don't guide on getting that going)
 
Mod flite is very old and robotic-sounding. If that isn't the style you want, then you probably don't want to use mod_flite.
 
Well the point is it doesn't work out of the box like it should, if it's so old it's unsupported now, what TTS do people setup in FusionPBX instead now? I didn't see any instructions online for getting a basic built-in mod working for executing the "say" feature.
 
How long ago was FusionPBX installed on your server? Also what version of FusionPBX do you have installed? Go to Status -> System Status to check your version.
 
I installed it 2 months ago myself just following the online documentation flow. It's currently 5.4.7 which is odd since your last tag is 5.4.4 I see in git, but here's the output:

Branch: 5.4
Commit: 5b83fc37fcbc816a358ac3d4766abc6e942eac1f
Origin: https://github.com/fusionpbx/fusionpbx
Status: Your branch is up to date with 'origin/5.4'. +69 days ago

It didn't come with the mod_flite components anywhere in the auto setup despite the mod_say stuff being enabled by default which depends on it? Found that kind of odd.
 
Do you want text-to-speech that actually sounds good, or do you want one that sounds retro and robotic? If you want retro and robotic you would like mod_flite. If you want something that sounds professional you probably don't want to use mod_flite.

I am interested in your reply asking because your answer would determine how to help you.
 
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