FiveM Mumble-VOIP - Some players can hear other players outside of proximity range

Environment questions

GTA V version:

Up to date:

Legit or Pirate copy:

Purchased where - Steam/Rockstar Launcher/Epic:

Windows version:

Did you try to delete content_index.xml and try again?

System specifications:
Various - see comments

CitizenFX crash zip file (‘Save information’ on a crash):

logs/CitizenFX_log files:

.dmp files/report IDs:

Important parts

What is the issue you’re having?
Some people on my FiveM server are able to hear all other players while using Mumble voice chat.

What are you trying to do?
Have people only hear players in their proximity

What have you tried already to fix the issue?
Advised people to clear cache, reinstall fivem, reinstall gtav, turn off and on in game voice chat, change input devices, change voice proximity volume

Error screenshot (if any):

What did you do to get this issue?
This only affects maybe 1/8th of players.

What server did you get this issue on? Be specific and name some, ‘all of them’ by itself isn’t useful!
Sun City Roleplay (connect 6voddd)

Additional comments

This is a long standing problem for servers using Mumble VOIP. some folks have had success fixing the problem, most have not and threads just eventually die or get locked or go unresolved. Last thread I saw on this was from 2018 so hoping a fix has come out since.

ESX version 1.3
Mumble-VOIP version 1.3 by Frazzle

Please let me know if you need any other information to troubleshoot.

Thanks so much,

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Mumble-Voip is very outdated. I would suggest trying pma-voice.

Ok thank you very much.