Complete NC installation on Debian with Spreed.me and TURN step by step

Hi bros;

sudo su
cd
apt-get install coturn
nano /etc/turnserver.conf

#listening-port=3478
listening-port=8443

#alt-listening-port=0
alt-listening-port=3478

#fingerprint
fingerprint

#lt-cred-mech
lt-cred-mech

#use-auth-secret
use-auth-secret

#http://passwordsgenerator.net/

#static-auth-secret=north
static-auth-secret=zvshmpbkspd9e8yduswv9ze2kn92ta2k9zhyxxxxxxxxxxxx

#(generated by openssl rand -hex 32)

#realm=mycompany.org
realm=cloud.votandoando.com

#total-quota=0
total-quota=100

#bps-capacity=0
bps-capacity=0

#stale-nonce
stale-nonce

#cipher-list="DEFAULT"
cipher-list=“ECDH+AESGCM:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:ECDH+3DES:DH+3DES:RSA+AES:RSA+3DES:!ADH:!AECDH:!MD5”
#log-file=/var/tmp/turn.log
log-file=/var/log/turn.log

#no-loopback-peers
no-loopback-peers

#no-multicast-peers
no-multicast-peers

#cert=/usr/local/etc/turn_server_cert.pem
cert=/etc/letsencrypt/live/cloud.votandoando.com/cert.pem

#pkey=/usr/local/etc/turn_server_pkey.pem
pkey=/etc/letsencrypt/live/cloud.votandoando.com/privkey.pem

nano /etc/default/coturn

Remove # in front of TURNSERVER_ENABLED=1

im using https://github.com/nextcloud/vm, for install all enviroment, this is my conf files:

/var/snap/spreedme/22/server.conf

[http]
listen = 127.0.0.1:8080
basepath = /webrtc
root = www

[https]

[app]
stunuris = stun:stun.spreed.me:443
sessionsecret = b2a1c8926c7a72dba7895bf8c72f4bceff30xxxxxxxxx
encryptionsecret = c7b84b331b010bb184d536dc9056ba0ea2xxxxxxxx
authorizeroomjoin = true
servertoken = 6d425cefec8c6xxxxxxxxx
serverrealm = local
extra = /usr/share/spreed-webrtc-server/extra
plugin = extra/static/owncloud.js

turnURIs = turn:cloud.votandoando.com:8443?transport=udp turn:cloud.votandoando.com:8443?transport=tcp
turnSecret = zvshmpbkspd9e8yduswv9ze2kn92ta2k9zhyzxxxxxxxxxxx

[modules]

[log]
logfile = spreed-webrtc-server.log

[users]
enabled = true
mode = sharedsecret
sharedsecret_secret = 78e3edefc392ab64dbd447ad6450bbb7xxxxxx

/etc/init.d/coturn restart

[ ok ] Restarting coturn (via systemctl): coturn.service.

And continue show me this:

Video for show you error for send call and recieved.

only work if i do this:

sudo su
cd
wget https://raw.githubusercontent.com/nextcloud/vm/master/apps/spreedme.sh
bash spreedme.sh

Pls help me for this issue