Is a TURN server built-in for Nextcloud Talk?

[crazy-max]

Is a TURN server built-in for Nextcloud Talk?

I've been able to fix this issue using the following additional container:

  coturn:
    image: woahbase/alpine-coturn
    container_name: coturn
    volumes:
      - "./coturn/turnserver.conf:/var/lib/coturn/turnserver.conf"
    expose:
      - "3478"
      - "3479"
      - "5349"
      - "5350"
    ports:
      - "3478:3478"
    restart: always

Install the Talk app from the Nextcloud dashboard, navigate to Settings - Talk then follow steps 3 and 5 here https://help.nextcloud.com/t/howto-setup-nextcloud-talk-with-turn-server/30794

Restart the coturn container and you're good to go. Make sure port 3478 is open in your router.

Also fully willing to put a bounty on this!

Doesn't look like it. I spent all day trying to magick up a solution and I've gotten nowhere.

For anyone interested here's the relevant piece of my docker-compose.yaml:

  coturn:
    image: instrumentisto/coturn
    container_name: coturn
    tmpfs:
      - /var/lib/coturn
    volumes:
      - "./coturn/turnserver.conf:/etc/coturn/turnserver.conf"
    network_mode: "host"

and my turnserver.conf:

tls-listening-port=5349
fingerprint
lt-cred-mech
use-auth-secret
static-auth-secret=supersecretpassphrase
realm=talk.hansen.agency
total-quota=100
bps-capacity=0
stale-nonce
cert=/etc/letsencrypt/live/talk.hansen.agency/fullchain.pem
pkey=/etc/letsencrypt/live/talk.hansen.agency/privkey.pem
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"
no-loopback-peers
no-multicast-peers

[crazy-max]

@Spass1966 Yes, the implementation seems special and difficult. I don't plan to add this service but feel free to tell us if you have found anything. Btw, have you tried this one ?