# MiroTalk + Coturn : Can't see video from 5G connection

**URL:** https://forum.yunohost.org/t/mirotalk-coturn-cant-see-video-from-5g-connection/41120
**Category:** Support apps
**Tags:** coturn, mirotalk, english
**Created:** [December 19, 2025, 9:15am UTC](https://forum.yunohost.org/t/mirotalk-coturn-cant-see-video-from-5g-connection/41120 "2025-12-19T09:15:01Z")
**Posts on this page:** 7
**Page:** 1

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### Author: ![clacos](https://forum.yunohost.org/user_avatar/forum.yunohost.org/clacos/32/12377_2.png) [@clacos](https://forum.yunohost.org/u/clacos)
#### Post date: [December 19, 2025, 9:15am UTC](https://forum.yunohost.org/t/mirotalk-coturn-cant-see-video-from-5g-connection/41120/1 "2025-12-19T09:15:01Z")

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**What app is this about, and its version** : MiroTalk 2025.12.14~ynh1  
**What YunoHost version are you running** : YunoHost 12.1.36 (stable)  
**What type of hardware are you using** : VPS bought online

### Describe your issue

I can’t see videos stream when I connect with GSM connection, while I have no issues using residential WiFi.

It seems to come from a TURN/STUN issue, so I tried to instal coturn but situation still the same.

Any advices on setting up MiroTalk properly ?

Thanks !

### Share relevant logs or error messages

N/A

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### Author: ![orhtej2](https://forum.yunohost.org/user_avatar/forum.yunohost.org/orhtej2/32/8943_2.png) [@orhtej2](https://forum.yunohost.org/u/orhtej2)
#### Post date: [December 19, 2025, 1:38pm UTC](https://forum.yunohost.org/t/mirotalk-coturn-cant-see-video-from-5g-connection/41120/2 "2025-12-19T13:38:58Z")

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After installing Coturn, have you updated `/var/www/mirotalk/.env` with appropriate entries?

See [STUN and TURN](https://github.com/YunoHost-Apps/mirotalk_ynh/blob/48848c5befc79d00127d102775ac2b924c29a6c0/conf/.env#L78) configuration part

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<div class="post-metadata">

### Author: ![clacos](https://forum.yunohost.org/user_avatar/forum.yunohost.org/clacos/32/12377_2.png) [@clacos](https://forum.yunohost.org/u/clacos)
#### Post date: [December 22, 2025, 8:13am UTC](https://forum.yunohost.org/t/mirotalk-coturn-cant-see-video-from-5g-connection/41120/3 "2025-12-22T08:13:40Z")

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Hi,

Ok, thank you for pointing this. Unfortunately, even after filling with values given by Coturn installation page:

TURN\_SERVER\_ENABLED=true # true or false  
TURN\_SERVER\_URL=turn:visio.\<mydomain.tld\>:5349  
TURN\_SERVER\_USERNAME=turnserver  
TURN\_SERVER\_CREDENTIAL=\<password\>

This being said, I’m testing the Coturn server itlsef using this page [Trickle ICE](https://webrtc.github.io/samples/src/content/peerconnection/trickle-ice/) and it does not respond properly.

Maybe it comes from my nat rules, I forwarded:

- tcp 5349
- udp 49152:65535

Any suggestions ?

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<div class="post-metadata">

### Author: ![orhtej2](https://forum.yunohost.org/user_avatar/forum.yunohost.org/orhtej2/32/8943_2.png) [@orhtej2](https://forum.yunohost.org/u/orhtej2)
#### Post date: [December 22, 2025, 8:35am UTC](https://forum.yunohost.org/t/mirotalk-coturn-cant-see-video-from-5g-connection/41120/4 "2025-12-22T08:35:17Z")

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When displaying `Coturn` app on WebAdmin it [should display all the detail on TURN/STUN configuration](https://github.com/YunoHost-Apps/coturn_ynh/blob/master/doc/ADMIN.md) (the file linked is full of placeholders YunoHost will fill on actual admin interface), including the actual domain to use, port, username and password.

Is the data you provided valid/matching that configuration?

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<div class="post-metadata">

### Author: ![clacos](https://forum.yunohost.org/user_avatar/forum.yunohost.org/clacos/32/12377_2.png) [@clacos](https://forum.yunohost.org/u/clacos)
#### Post date: [December 22, 2025, 9:08am UTC](https://forum.yunohost.org/t/mirotalk-coturn-cant-see-video-from-5g-connection/41120/5 "2025-12-22T09:08:31Z")

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Yes, exactly, I copy-paste those values.

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<div class="post-metadata">

### Author: ![clacos](https://forum.yunohost.org/user_avatar/forum.yunohost.org/clacos/32/12377_2.png) [@clacos](https://forum.yunohost.org/u/clacos)
#### Post date: [December 22, 2025, 10:38am UTC](https://forum.yunohost.org/t/mirotalk-coturn-cant-see-video-from-5g-connection/41120/6 "2025-12-22T10:38:09Z")

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A remark, maybe it has an impact… both Coturn and MiroTalk are installed under the same subdomain (visio.mydomain.tld), with Let’s Encrypt certificate.

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### Author: ![system](https://forum.yunohost.org/uploads/default/original/2X/f/f59fe8e3ee6b100b4f574d30d6e30479c68b89f0.png) [@system](https://forum.yunohost.org/u/system)
#### Post date: [January 6, 2026, 10:38am UTC](https://forum.yunohost.org/t/mirotalk-coturn-cant-see-video-from-5g-connection/41120/7 "2026-01-06T10:38:18Z")

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