# Server STUN and high-performance backend server Talk

**URL:** <https://help.nextcloud.com/t/server-stun-and-high-performance-backend-server-talk/190072>\
**Category:** 💬 Talk (spreed)\
**Tags:** talk-hpb, turn, talk-app\
**Created:** [May 1, 2024, 10:28am UTC](https://help.nextcloud.com/t/server-stun-and-high-performance-backend-server-talk/190072 "2024-05-01T10:28:08Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![wwe](https://help.nextcloud.com/user_avatar/help.nextcloud.com/wwe/32/72963_2.png) [@wwe](https://help.nextcloud.com/u/wwe)\
**Post date:** [May 1, 2024, 11:27am UTC](https://help.nextcloud.com/t/server-stun-and-high-performance-backend-server-talk/190072/2 "2024-05-01T11:27:25Z")

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Please use the [search](https://help.nextcloud.com/search) - lot of issues have been discussed already

STUN/TURN are technologies to establish connections between user without direct network connectivity e.g. in different networks behind firewalls and especially NAT. In case you have meeting participants outside your server network you likely require TURN server.

for Talk HPB you can start with e.g. [Nextcloud Talk High Performance Backend](https://help.nextcloud.com/t/nextcloud-talk-high-performance-backend/167217)

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_[View the full topic](https://help.nextcloud.com/t/server-stun-and-high-performance-backend-server-talk/190072)._