# WebRTC preview not working

**URL:** <https://community.wowza.com/t/webrtc-preview-not-working/51964>\
**Category:** Wowza Streaming Engine\
**Tags:** webrtc\
**Created:** [September 19, 2018, 3:03pm UTC](https://community.wowza.com/t/webrtc-preview-not-working/51964 "2018-09-19T15:03:04Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Eddie\_Abrams](https://avatars.discourse-cdn.com/v4/letter/e/e68b1a/32.png) [@Eddie\_Abrams](https://community.wowza.com/u/Eddie_Abrams)\
**Post date:** [September 19, 2018, 3:03pm UTC](https://community.wowza.com/t/webrtc-preview-not-working/51964/1 "2018-09-19T15:03:04Z")

</div>

WebSocket connection failed when using publish HTML example to publish a stream to Wowza Streaming Engine.

webrtc.js:171 WebSocket connection to ‘wss://5b967f7bee6c0.streamlock.net/webrtc-session.json’ failed: Error in connection establishment: net::ERR\_CONNECTION\_TIMED\_OUT

wsConnection.onerror: {“isTrusted”:true}  
webrtc.js:314 stopPublisher  
webrtc.js:255 wsConnection.onclose

---

<div class="post-metadata">

**Author:** ![Rose\_Power-Wowza\_Com](https://sea2.discourse-cdn.com/flex002/user_avatar/community.wowza.com/rose_power-wowza_com/32/431_2.png) [@Rose\_Power-Wowza\_Com](https://community.wowza.com/u/Rose_Power-Wowza_Com)\
**Post date:** [September 19, 2018, 4:16pm UTC](https://community.wowza.com/t/webrtc-preview-not-working/51964/2 "2018-09-19T16:16:16Z")

</div>

Sorry for the issue you are experiencing @Eddie Abrams, can you kindly submit a support ticket and we will run some tests on it to debug?

> **[Open a Support Ticket | Wowza Media Systems](https://www.wowza.com/support/open-ticket)**
>
> Wowza technical support engineers worldwide help you succeed with your Wowza Streaming Engine™ software or the Wowza Streaming Cloud™ service.