Voice chat is "not installed"

[PrestonT500]

Here is the config code:

# Simple Voice Chat server config v1.19.3-2.4.4

# The port of the voice chat server
# Setting this to "-1" sets the port to the Minecraft servers port (Not recommended)
port=50500
# The IP address to bind the voice chat server on
# Leave empty to use 'server-ip' of server.properties
# To bind to the wildcard address, use '*'
bind_address=
# The distance to where the voice can be heard
max_voice_distance=30.0
# The multiplier of the voice distance when crouching
crouch_distance_multiplier=0.75
# The multiplier of the voice distance when whispering
whisper_distance_multiplier=0.45
# The opus codec
# Possible values are 'VOIP', 'AUDIO' and 'RESTRICTED_LOWDELAY'
codec=VOIP
# The maximum size in bytes that voice packets are allowed to have
mtu_size=1024
# The frequency at which keep alive packets are sent
# Setting this to a higher value may result in timeouts
keep_alive=1000
# If group chats are allowed
enable_groups=true
# The host name that clients should use to connect to the voice chat
# This may also include a port, e.g. 'example.com:24454'
# Don't change this value if you don't know what you are doing
voice_host=ptsurvival.enderman.cloud
# If players are allowed to record the voice chat
allow_recording=true
# If spectators are allowed to talk to other players
spectator_interaction=false
# If spectators can talk to players they are spectating
spectator_player_possession=false
# If players without the mod should get kicked from the server
force_voice_chat=false
# The amount of milliseconds, the server should wait to check if the player has the mod installed
# Only active when force_voice_chat is set to true
login_timeout=10000
# The range where the voice chat should broadcast audio to
# A value <0 means 'max_voice_distance'
broadcast_range=-1.0

My host: Free MC Server (freemcserver.net)

I have already made a UDP Port protocol that was 50500, applied changes and restarted the server. I have also looked at the wiki, it didn't help.

Comment if you have a similar problem and/or you know how to solve it.

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